LucenTechnologies W3030 3 V Dual-Mode IF Cellular Receiver
Contents
1. a 8 kHz e ERROR dB o Q O O QO QO O O r A Q s H O M e Y Y SV S S S S 490 500 510 520 IF FREQUENCY kHz Figure 6 Audio Output vs IF Frequency 25 M a 18 kQ Quad Tank Resistor e AUDIO Vdc gt LINEAR FIT 5 8 kHz e ERROR dB 0 5 0 4 0 3 0 2 0 1 o o o M 0 B r N Y Y Xx 10 O 10 390 400 410 420 430 440 450 460 IF FREQUENCY kHz Figure 7 Audio Output vs IF Frequency 33 kQ Quad Tank Resistor Lucent Technologies Inc ERROR dB ERROR dB W3030 3 V Dual Mode IF Cellular Receiver 9 AUDIO Vdc LINEAR FIT ceeds 8 kHz e ERROR dB 0 5 0 4 2 5 0 3 0 2 0 1 M 0 0 1 AUDIO OUT Vdc a 0 2 0 3 0 4 oo o N Y Y Y 390 400 410 420 430 40 5 IF FREQUENCY kHz Figure 8 Audio Output vs IF Frequency Quad Tank Resistor Removed ERROR dB 13 Data Sheet W3030 3 V Dual Mode IF Cellular Receiver April 1999 Test Circuit Diagram ENBA JP1 iru ENBD 5V R1 rset 15e C1 CLK 1000 PL 14 R2 AUDIO 2 2 kQ 2 O C2 R3 3300 pF 18 k2 p I 3l u _ C8 680 uH 10pF 4 o Q 5 Q gt 30 ce 150 pF 5 18 pF le u o 3 IF1IN o u t NG mO o TI 7 o2. no zi to O Qo gt ce n KOY Y 0 01 uel d 44 C13 C18 C22 1000pF 1000 pF 1000 pF O O 16 FLT2 C33 SFGCG450 C11 0 1 uF 0 1 uF R5 V Ps C16 C14 C15 1000 pF 0 1 pF 0 1 uF i IF1LO FLT1 l SFGCG450 xir R 7X2 4 Figure 9 Test Circuit Diagram 14 Lucent Technologies Inc Data Sheet Characteristic Curves RF 83 16 MHz LO1 82 71 MHz IDEAL INPUT MATCHING NETWORK Unless otherwise specified Vcc 2 7 Vdc RF 70 dBm 0 9 Vaac TEMP 35 C 25 C AND 85 C m FULL ON MODE 2 V_ENAB Vcc 77 0 Lu r o o o lt E o S roo qm z bem ss IF1iN POWER dBm Figure 12 First IF Mixer Output Compression POWER IF1Lo 3 dBm Figure 10 Icc vs Vcc RF 70 dBm 0 9 VAGC m TEMP 35 C 25 C AND 85 C 2 ANALOG AND DIGITAL PATHS DONE SEPARATELY 5 O LLI ra cc ANALOG 35 C _ _ DIGITAL 35 C z ANALOG 25 C E DIGITAL 25 C k Pia 9 ANALOG 85 C d ei 0 200 400 600 800 1000 1200 1400 1600 DIGITAL 85 C d FREQUENCY LO1 MHz Figure 13 First IF Mixer LO Rejection at IF Input vs IF1Lo 0 0 5 1 1 5 2 2 5 ENABLE VOLTAGE Vdc Figure 11 Icc vs Enable Voltage Lucent Technologies Inc 15 W3030 3 V Dual Mode IF Cellular Receiver Characteristic Curves continued IF10UT 450 kHz POWER IF1IN 30 dBm POWER IF1Lo 3 dBm NO INPUT MATCHING NETWORK GAIN dB 0 200 400 600 800 1000 1200 1400 16
3. 8 kHz deviation IF filter bandwidth 28 kHz Quad tank Q 10 Parameter n Typ Max Unt IF Gain net IFaiN to Audio 8 dB RSSI Range of Input Signal Wo d RSSI Linearity over 100 dBm to 25 dBm into tenn eos s28 RSSI Current Gapabiity 39 HA IF input impedance 40d ampli 2 IF Output impedance 40 48 ampite r Je IE Input impedence 60 8 limited a ko IF Output impedance 60 48 mie ko IPS of 40 dB Amplifier Section atis epal a dom FM Detector Inout Impedance md pn3 o ko AudoOuputimpedanoo a 9 Audio Output Amplitude IF1iN 35 dBm Audio SINAD for Fi 5 dBm C message weighting e a Lucent Technologies Inc 9 Data Sheet W3030 3 V Dual Mode IF Cellular Receiver April 1999 Electrical Specifications continued Table 7 Digital Second IF Amplifier AGC Quadrature Demodulator Section PCLK 320 mVp p to 640 mVp p square wave IF deviation lt 0 5 MHz VCM 1 3 Vdc to Vcc 0 8 Vdc 500 agos land Qe ampem os ms os e I Capa Sung E t bee and Q Common mode cae as Function of VCM i e VCM 0 08 VCM input VCM 0 08 vevi s om I and A Maximum Sink Current per Pin sum of dc and peak ac I and A Maximum Source Current per Pin sum of dc and peak ac Pa at ouput or O denia 3 ama rab
4. Compression Point at ouput renta 7 Tamo Noise Figure F mu Diferenia 1830 1m 0 vom input podane a 7 Table 8 Digital Gain and First IF Mixer Input to Baseband PCLK 320 mVp p to 640 mVp p square wave IF deviation 0 5 MHz VCM 1 3 Vdc to Vcc 0 8 Vdc Gain numbers include 1 5 dB filter loss me n Tyo Wax um 91 99 128 dB Gain VAGC 1 1 V Gain VAGC 0 3 V 36 54 60 dB 10 Lucent Technologies Inc Data Sheet April 1999 RSSI The RSSI output provides a voltage level that is proportional to the amount of signal present in the analog second IF section This voltage level is generated internally by summing of the signal current at different points in the 40 dB and 60 dB IF chains The amount of loss between the 40 dB and 60 dB sections will affect the RSSI linearity Figure 3 contains two traces of RSSI voltage versus IF input power One trace is with only the filter loss between the 40 dB and 60 dB amplifiers The second trace is with a filter and a resistor to give a total loss of 5 6 dB The figure indicates a nonlinearity around the 75 dBm input level This nonlinearity occurs because the 60 dB amplifier chain enters compression causing less RSSI output Eventually as the input signal increases the 40 dB amplifier will begin to contribute to the total RSSI It was determined that 6 dB of interstage loss produces the optimal RSSI
5. 00 IF1iN MHz Figure 14 First IF Mixer Conversion Voltage Gain vs Frequency IFTIN IF10UT 450 kHz POWER IF1IN 30 dBm NO INPUT MATCHING NETWORK E m B B hix E L 0 200 400 600 800 1000 1200 1400 1600 IF1IN MHz Figure 15 First IF Mixer IF10UT vs IF1IN LO1 6 3 0 3 dBm 16 IF1out POWER dBm IF our dBm 50 Q Data Sheet April 1999 RF 83 14 MHz to 83 18 MHz LO1 82 71 MHz IF 20 kHz TO 20 kHz AROUND 450 kHz 30 dBm 50 Q 1 kQ OUTPUT LOAD IF1our FREQUENCY MHz Figure 16 First IF Mixer Bandwidth RF 83 156 MHz LO1 82 71 MHz IF 450 kHz 2 IF 900 kHz 3 IF 1350 kHz IF1Lo 3 dBm 1 maa k lasara ho PS paman panao IFTIN POWER IFtin dBm Figure 17 First IF Mixer Significant Signals vs Power IF1IN Lucent Technologies Inc Data Sheet April 1999 Characteristic Curves continued RF 83 16 MHz LO1 82 71 MHz FcLck 1 804 MHz TEMP 35 C 25 C AND 85 C NF dB 130 110 90 70 50 30 IFtin POWER dBm Figure 18 First Mixer and Digital Second IF Section Noise Figure vs IF1IN Power RF 83 158 MHz LO1 82 71 MHz CLCK 1 840 MHz TEMP 25 C 0 255 V 0 575 V 0 9 V 1 225 V AND 1 55 V I SINGLE ENDED 80 kHz FILTER USED NO MODULATION COMPRESSION dB 40 30 20 10 0 10 POWER OUTPUT dBm Figure 19 First Mixer and Digital Second IF Section Gain Co
6. 9 02 6608131 Milan SPAIN 34 1 807 1441 Madrid Lucent Technologies Inc reserves the right to make changes to the product s or information contained herein without notice No liability is assumed as a result of their use or application No rights under any patent accompany the sale of any such product s or information Copyright 1999 Lucent Technologies Inc microelectronics group All Rights Reserved April 1999 Lucent Technologies DS98 399WRF Replaces DS97 174WRF Bell Labs Innovations
7. Bi FV ROME EY microelectronics group April 1999 Lucent Technologies Bell Labs Innovations W3030 3 V Dual Mode IF Cellular Receiver Features Low supply current m Analog received signal strength indicator RSSI m Proven double conversion architecture Available First IF capability 10 MHz to over 1000 MHz Analog AGC for digital mode IF amplifiers Second IF capability 0 2 MHz to 2 0 MHz Dual second IF amplifiers and demodulators Analog mode limiting amplifier and FM Over 100 dB combined voltage gain quadrature detector Applications Digital mode linear AGC amplifiers with radio portable and mobile terminals m Accurate onboard local oscillator phase splitter for digital quadrature demodulator Cellular radio base stations Four enable powerdown modes selectable from Digital satellite communications two digital control pins allow operation with z Multisymbol signaling receivers minimal supply current DIGITAL SECTION ENBA LOGIC AND BIAS VARIABLE GAIN ANALOG SECTION Figure 1 General Block Diagram Data Sheet W3030 3 V Dual Mode IF Cellular Receiver April 1999 Table of Contents Features dle ar and 1 APPIICatIONS a DD EP RE UEM EN 1 DESEFIPUONIE ee E m ID AA AA 3 PIANO MON l S O CIC Een Ord C UNDIS 5 Absolute Maximum Ratings aaaaaaaaaaaaaaaasssasaaaaanananananannnnnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnananannnnnssnanannnanani 7 Han
8. IF limiting amplifier To be ac grounded Vcc2 Second IF Power Supply Positive power supply connection for both analog and digital second IF amplifiers and demodulators IF20UT Second IF Output Output of 40 dB second IF amplifier directly couple to dielectric loads such as ceramic filters Includes internal 1 kQ termination resistor 10 IF2ACG Second IF Signal Ground Signal ground for 40 dB second IF amplifier connect to ground with 0 1 uF capacitor 11 IF2IN Second IF Input Differential input to 40 dB second IF amplifier to be directly coupled to dielectric sources such as ceramic filters Pin 11 is approximately 2 kQ with pin 10 ac grounded 12 IF2 IN Second IF Input Inverting Differential input to 40 dB second IF amplifier To be ac grounded ae First IF Mixer Ground Power supply dc ground for first IF mixer section IF1 OUT First IF Mixer Output Output of first IF mixer amplifier section to be directly coupled to dielectric loads such as ceramic filters Includes internal 1 kQ termination resistor NN LO First IF Mixer Logical Input Inverting Differential input to first IF mixer local pi aa to be capacitively coupled to sources with a dc level offset IF1LO First IF Mixer Logical Input Differential input to first IF mixer local oscillator To be ac grounded 17 Vcci First IF Mixer Power Supply Positive power supply connection for first IF mixer amplifier section 18 IF 11N First IF Mixer Input Inverting Different
9. at IFAOUT is passed through a phase shifting network Cs CP L R The phase shifted signal is applied back to the lower portion of the multiplier at pin 3 QUAD The parallel L C resonant circuit provides frequency selective filtering at the IF frequency The L C tank must be ac grounded at the IF frequency through a dc blocking capacitor CBYPASS Because information in an FM signal is contained in the deviation from the center frequency the design of the resonant bandpass circuit is very important particularly the load Q A higher loaded Q for a given deviation will produce a larger output signal than a lower Q circuit However a high Q circuit will permit only a limited amount of deviation from center frequency before distortion occurs Figure 5 illustrates an equivalent quad tank circuit including the W3030 40 kQ input resistance Equations 1 and 2 are used to calculate resonant frequency and tank circuit Q 11 Data Sheet W3030 3 V Dual Mode IF Cellular Receiver April 1999 Quadrature Detector continued 40 kQ dc PIN 3 QUAD 150 pF 4 pF 25 pF Figure 5 L C Tank Equivalent Circuit 1 1 f 450 kHz Equation 1 2nvLC 2m 680 6719 184 1012 404103337103 lao 103 33 103 Q 2n f RC 2n 450 103 184 10712 9 4 Equation 2 The W3030 evaluation board is designed with a 450 kHz IF frequency as shown in our example The Q of the tank circuit is set to 10 by th
10. dling PreGautions ico 7 Operating Rango Sc cE 8 Electrical Specifications iaaaaaaaasaaaaaaasansanaanannnnnsnnannnnnnnnnsnannnnnnnnnsannnnnnnnnnnsnanannnnnnnnnnnnnnnnnnnsnnannnnnnnnssnannanananni 8 n p EC UE O 11 Quadrature ESI Coco m 11 Quad A iniiao iiaa aaan ehai aa eae nnana ANEM RREA 12 Test Circuit DANA Zn nan an kan kan tan rn 14 Characteristic TUNI I 15 AI A aiceannan i oaaae anini a ehn iei aian 20 O AA NA O AA 20 Manufacturing Information iaaaaaaaaaiaaaaaaasassaaaaananannannnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnsnnnanannnnnsnnnnnnnnnnnnnnnanannnnnnsannaaaai 21 Ordering Information aaaaaaaassaaaaaasasssaaanaaannnsnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnaannannnnnnnnnnnnnannnnnnannnananaannaaaia 21 2 Lucent Technologies Inc Data Sheet April 1999 Description The W3030 is a monolithic integrated circuit that provides most of the receive path functions required to meet the IS 136 and IS 54 standard The W3030 converts FM or digitally modulated IF carriers up to 200 MHz and provides required IF gain and separate baseband detectors for the two modulation modes The W3030 is organized into three subfunctions see Figure 2 1 First IF mixer amplifier 2 Analog second IF 3 Digital second IF sections Note that the electrical specification tables correspond to each subfunction Each section has a buffered output to allow for external filtering whic
11. e external resistor Quad Tank S Curves One method of determining if the Q of the tank is too large or too small is to produce an S curve of the quad tank An S curve is a plot of the dc audio output voltage versus IF input frequency With small deviations from center frequency there is a proportional change in the dc audio output voltage The overall linearity of the curve is determined by the Q of the tank circuit therefore the Q determines how much deviation is allowed before distortion of the audio signal occurs The L C tank circuit has a shunt resistor to set the Q of the tank The procedure to produce these plots is as follows 1 Remove the 450 kHz IF filter and drive the input of the limiting amplifier with a signal generator capable of FM modulation 2 Apply FM modulation and adjust the tank capacitor for maximum audio out and minimal distortion 3 Remove the FM modulation and sweep the IF frequency above and below center frequency while monitoring the dc voltage at the audio output The following S curves were produced with the value of the quad tank resistor varied from 18 kQ to 30 kQ to removing the resistor The resistor value of 33 kQ which corresponds to a Q of 10 was chosen as the optimal resistor value 12 Lucent Technologies Inc Data Sheet April 1999 Quadrature Detector continued Quad Tank S Curves continued AUDIO OUT Vdc AUDIO OUT Vdc N u N a AUDIO Vdc LINEAR FIT
12. h also provides flexibility in system architecture selection The first IF mixer section provides 30 dB of fixed voltage conversion gain power gain 17 dB The first IF mixer also performs down conversion to the 0 2 MHz 2 0 MHz range which allows the use of inexpensive ceramic filters at two points in the signal path In the second IF section the signal path may be split between two Lucent Technologies Inc W3030 3 V Dual Mode IF Cellular Receiver parallel amplifier demodulator sections In the analog second IF there is a 40 dB amplifier followed by a 60 dB hard limiting amplifier and an FM quadrature detector noncoherent discriminator The signal path between the 40 dB and 60 dB amplifier stages is brought off chip for external filtering purposes In digital mode an AGC amplifier provides gain between 10 dB and 80 dB The digital signal is demodulated in double balanced mixers that are fed with an external local oscillator LO signal The external LO passes through a divide by four counter to provide the final IF LO frequency This architecture greatly reduces the possibility of feedback of the external LO signal to the IF input which would cause dc offsets at the amp Q outputs This circuit also provides a 90 phase shift of the LO that is independent of duty cycle The resulting amp Q differential pairs can be level shifted using the VCM input pin providing flexibility in interfacing to digital processing ICs A
13. ial input to first IF mixer amplifier section to be ac coupled to ground or source First IF Mixer Input Differential input to first IF mixer amplifier section Lucent Technologies Inc 5 Data Sheet W3030 3 V Dual Mode IF Cellular Receiver April 1999 Pin Information continued Table 1 Pin Descriptions continued 20 ENBD Enable Digital Mode Positive logic enable connection for digital mode operation 21 ENBA Enable Analog Mode Positive logic enable connection for analog mode operation L a Q Output Differential output from Q mixer of quadrature demodulator 38 a Q Output Inverting Differential output from Q mixer of quadrature demodulator 24 CLK Clock Input Local oscillator clock input to quadrature demodulator phase shifter to be capacitively coupled Input frequency must be four times second IF center frequency 35 T I Output Inverting Differential output from mixer of quadrature demodulator 26 1 I Output Differential output from mixer of quadrature demodulator 27 AGC Automatic Gain Control AGC control input to be connected to dc source of 0 25 V 1 55 V 28 VCM Common Mode Voltage Common mode voltage dc offset set point for 4 Q interface typically Vcc 2 29 IFDAcG Digital Signal Ground Signal ground for digital section limiting amplifier connect to ground with 0 1 uF capacitor 30 IFDIN Digital Second IF Input Differential input to digital section AGC amplifier
14. igure 23 First Mixer and Analog Second IF 18 Section Audio vs IF1iN Power 3 3 Vcc Data Sheet April 1999 RF 83 16 MHz LO1 82 71 MHz TEMP 35 C 25 C AND 85 C 4 1 Vcc 1 kHz FM MODULATION C MESSAGE WEIGHTING UU _ 1 85 C_ e cm r SS V A web A pr A n A dapa A nh jh mh a A IF1iN POWER dBm Figure 24 First Mixer and Analog Second IF Section Audio vs IF1IN Power 4 1 Vcc RF 83 16 MHz LO1 82 71 MHz TEMP 35 C 25 C AND 85 C 2 7 Vcc 3 3 Vcc AND 4 1 Vec 1 kHz FM MODULATION C MESSAGE WEIGHTING 1 1 I amet o A OPE rd i ici an ADB BO i 85 C 1 SINAD dB IF1iN POWER dBm Note Minimum variation with voltage Figure 25 First Mixer and Analog Second IF Section SINAD vs IF1iN Power Lucent Technologies Inc Data Sheet April 1999 Characteristic Curves continued RF 83 16 MHz LO1 82 71 MHz TEMP 35 C 25 C AND 85 C 80 AM 1 kHz FM MODULATION C MESSAGE WEIGHTING AM LEAKAGE 35 C AM LEAKAGE 25 C AM LEAKAGE 85 C IF1iN POWER dBm Figure 26 First Mixer and Analog Second IF Section AM Sensitivity Relative Audio Out vs IF1iN Power RF 83 16 MHz LO1 82 71 MHz 8 kHz FM MODULATION AUDIO dBV Sd e Qu Veo 4 707 4 1 Voc ___ A 40 20 0 20 40 60 80 100 TEMPERATURE C Figure 27 Audio Output vs Temperature Lucent Technologies Inc W3030 3 V D
15. ions should be taken to avoid exposure to electrostatic discharge ESD during handling and mounting Lucent Technologies Microelectronics Group employs a human body model HBM and a charged device model CDM for ESD susceptibility testing and protection design evaluation ESD voltage thresholds are dependent on the circuit parameters used to define the model No industry wide standard has been adopted for CDM However a standard HBM resistance 1500 Q capacitance 100 pF is widely used and therefore can be used for comparison purposes The HBM ESD threshold presented here was obtained by using these circuit parameters W3030 ESD Threshold Voltage ESD Model 21500 V Lucent Technologies Inc 7 Data Sheet W3030 3 V Dual Mode IF Cellular Receiver April 1999 Operating Ranges Performance is not guaranteed over the full range of all conditions possible within this table However this table lists the ranges of external conditions in which the W3030 provides general functionality which may be useful in specific applications without risk of permanent damage The conditions for guaranteed performance are described below Table 3 W3030 Operating Ranges Supply Voltage First IF Mixer Amplifier Section Input Frequency Range LO Frequency LO Input Level Range Digital Second IF Amplifier AGC Quadrature Demodulator Section Second IF Frequency Quadrature Demodulator LO CLK Frequency CLK Input Level square wave Analog Sec
16. mpression vs Output Single Ended Lucent Technologies Inc W3030 3 V Dual Mode IF Cellular Receiver COMPRESSION dB DIGITAL GAIN dBm F1 83 158 MHz LO 82 71 MHz CLCK 1 840 MHz TEMP 35 C 25 C AND 85 C 0 9 VAGC I SINGLE ENDED 80 kHz FILTER USED NO MODULATION w455 4 b 4 25 20 15 10 5 0 5 10 15 OUTPUT POWER dBm 50 Figure 20 First Mixer and Digital Second IF Section Gain Compression vs Output Power 120 00 110 00 100 00 90 00 80 00 70 00 60 00 50 00 40 00 0 AGC INPUT VOLTAGE Vdc Figure 21 First Mixer and Digital Second IF Section Gain vs AGC Input 110 dBm 17 W3030 3 V Dual Mode IF Cellular Receiver Characteristic Curves continued 0 275 0 25 AUDIO Vrms 0 125 130 ma a lng soma mim alma m A RF 83 16 MHz LO1 82 71 MHz TEMP 35 C 25 C AND 85 C 2 7 Vcc 1 kHz FM MODULATION C MESSAGE WEIGHTING Aka A d mja Ad Ao A dh m Am A m 1 1 1 1 1 1 I F 4 1 1 120 110 100 90 80 70 60 50 40 30 20 IF1IN POWER dBm Figure 22 First Mixer and Analog Second IF AUDIO Vrms Section Audio vs IF1iN Power 2 7 Vcc RF 83 16 MHz LO1 82 71 MHz TEMP 35 C 25 C AND 85 C 3 3 Vec 1 kHz FM MODULATION C MESSAGE WEIGHTING 1 1 I T 1 I aala nem clon mad IFtin POWER dBm F
17. ond IF Amplifier Frequency VCM Input Range Electrical Specifications The following apply to all specifications unless otherwise listed TA 25 C 3 C Vcc 2 7 Vdc PIF1LO 3 dBm to 3 dBm 50 Q IF1 10 MHz to 200 MHz IF2 0 2 MHz to 2 MHz ENBA ENBD gt 1 9 Vdc Table 4 dc and Logic Parameters Supply Current Fully Enable Vcc 3 3 Analog Only Mode Vcc 3 3 Digital Only Mode Vcc 3 3 Sleep Mode Vcc 3 3 SJ a We ev mom 0 9 o mw aa a Enable Time extemal capacitor dependen w ww 8 Lucent Technologies Inc Data Sheet April 1999 W3030 3 V Dual Mode IF Cellular Receiver Electrical Specifications continued Table 5 First IF Mixer Amplifier Section IF deviation lt 0 5 MHz P Parameter O we Me uni Votage Gan win input matching network rom 50 source a E OO oo oo Gain Flamess witin F Devron 32 d Noise Figure atiF Input 68 4 6 TB Compression Point at Input o Matching Network em PO at Fist F Matching Nommorkinpur a mo IF mput mpedance 22 rme ens LO put impedanos sem ams enr Wowumehxe o Jo e LO Suppression at IF Input wate to LO mpu eva o Table 6 Analog Second IF Amplifier Limiter RSSI FM Detector Section Filter ZIN ZOUT 1 0 kQ 6 dB attenuation between 40 dB amplifier output and 60 dB limiting amplifier input 1 kHz FM at
18. pair of logic inputs allows the device to be put into a powerdown mode and one of two partially enabled modes analog or digital only or a fully enabled mode allowing the use of analog RSSI while in digital receive mode Data Sheet W3030 3 V Dual Mode IF Cellular Receiver April 1999 Description continued 50 kQ ANALOG SECOND IF LIMITER FIRST IF MIXER AMPLIFIER 10 MHz 1000 MHz SECOND IF AMP 0 2 MHz 2 0 MHz IF2our E IF2ace IF2N C IF2N E GND1 C IFiour IFilo y IFilo C Figure 2 Detailed Block Diagram with Pinout Lucent Technologies Inc Data Sheet April 1999 W3030 3 V Dual Mode IF Cellular Receiver Pin Information Table 1 Pin Descriptions EA Ea MUNI RSSI Received Signal Strength Indicator Provides logarithmic dB linear dc output voltage a AUDIO Audio Output Audio output of FM detector QUAD Quad Input Input to FM detector from parallel LC quad coil 4 IFAOUT Analog Output Output of analog section limiting amplifiers couple to guad coil and pin 3 QUAD with 10 pF capacitor 5 IFAACG Analog Signal Ground Signal ground for analog section limiting amplifier connect to ground with 0 1 uF capacitor IF AIN Analog Mode Limiter Input Differential input to analog IF limiting amplifier to be directly coupled to dielectric sources such as ceramic filters Pin 6 is approximately 1 kQ with pin 5 ac grounded 7 IFA IN Analog Mode Limiter Input Inverting Differential input to analog
19. response Most ceramic filters have less than 6 dB insertion loss Therefore some additional loss must be inserted in addition to the filter The simplest way is to use a resistor in series with the filter This method will cause a mismatch to the filter and may distort its passband response An L or T configuration may be necessary to provide the required loss without mismatching the filter ATTN 1 4 dB Son m ATTN 5 6 dB 1 i i 1 1 1 1 1 1 1 1 1 1 1 1 1 r r 1 1 1 1 1 1 125 115 105 95 85 75 5 55 45 35 25 IF1IN POWER dBm Figure 3 RSSI Out vs IF1IN Power 1 4 dB and 5 6 dB Loss Between 40 dB and 60 dB Amplifiers Lucent Technologies Inc W3030 3 V Dual Mode IF Cellular Receiver Quadrature Detector Figure 4 is a simplified schematic of the quadrature detector of the W3030 The quadrature detector circuit is similar to a mixer but instead of mixing two different frequencies it multiplies two signals of the same frequency that are phase shifted versions of each other Multiplying the phase shifted with the unshifted signals produces the audio portion of the FM signal IFAOUT Cs AUDIO b R GUAD CBYPASS Figure 4 Guadrature Detector Before the IF signal is differentially applied to the multiplier the signal is passed through a limiter stage to produce a constant amplitude signal The same signal is brought out single ended to pin 4 IFAOUT The signal
20. s P M or T Ordering Information LUCW3030ACA Bulk Tray 32TOFP 107841082 LUCW3030ACA DB Dry Pack 32TOFP 107841090 EVB3030A Evaluation Board 107739377 Lucent Technologies Inc 21 For additional information contact your Microelectronics Group Account Manager or the following INTERNET http www lucent com micro E MAIL docmaster micro lucent com N AMERICA Microelectronics Group Lucent Technologies Inc 555 Union Boulevard Room 30L 15P BA Allentown PA 18103 1 800 372 2447 FAX 610 712 4106 In CANADA 1 800 553 2448 FAX 610 712 4106 ASIA PACIFIC Microelectronics Group Lucent Technologies Singapore Pte Ltd 77 Science Park Drive 03 18 Cintech Ill Singapore 118256 Tel 65 778 8833 FAX 65 777 7495 CHINA Microelectronics Group Lucent Technologies China Co Ltd A F2 23 F Zao Fong Universe Building 1800 Zhong Shan Xi Road Shanghai 200233 P R China Tel 86 21 6440 0468 ext 316 FAX 86 21 6440 0652 JAPAN Microelectronics Group Lucent Technologies Japan Ltd 7 18 Higashi Gotanda 2 chome Shinagawa ku Tokyo 141 Japan Tel 81 3 5421 1600 FAX 81 3 5421 1700 EUROPE Data Requests MICROELECTRONICS GROUP DATALINE Tel 44 1189 324 299 FAX 44 1189 328 148 Technical Inquiries GERMANY 49 89 95086 0 Munich UNITED KINGDOM 44 1344 865 900 Ascot FRANCE 33 1 40 83 68 00 Paris SWEDEN 46 8 594 607 00 Stockholm FINLAND 358 9 4354 2800 Helsinki ITALY 3
21. to be directly coupled to dielectric sources such as ceramic filters Pin 30 is approximately 2 kQ with pin 29 ac grounded 31 IFD IN Digital Second IF Input Inverting Differential input to digital section AGC amplifier To be ac grounded 32 GND2 Second IF Ground Power supply ground for both analog and digital second IF amplifier and demodulator sections Table 2 Digital Control Pin Truth Table a Pee Pin Mode Function ETE All Sleep All receive circuits powered down supply current 10 pA LOW HIGH _ Digital Receive First IF mixing stage AGC amp and I Q quadrature demodulators active HIGH LOW Analog FM Receive First IF mixing stage 40 dB IF amp 60 dB limiting amp RSSI and FM detector active HIGH HIGH All Active All receive circuits functional e g digital mode 8 Q demodulator used with analog RSSI 6 Lucent Technologies Inc Data Sheet April 1999 W3030 3 V Dual Mode IF Cellular Receiver Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device These are absolute stress ratings only Functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet Exposure to absolute maximum ratings for extended periods can adversely affect device reliability Handling Precautions Although protection circuitry has been designed into this device proper precaut
22. ual Mode IF Cellular Receiver RF 883 16 MHz LO1 82 71 MHz FCLCK 1 804 MHz NO MODULATION 24 kQ RLOAD SINGLE ENDED 0 1 Vacc SINAD amp COMPRESSION dB COMPRESSION POWER OUT dBm Figure 28 Digital Second IF Section SINAD Output Voltage and Compression vs Output Power Voc 3 0 15136 RANDOM DATA DOPSK at 83 16 MHz IF1 IFLO 82 71 MHz 200 mVp p CLOCK 1 8 MHz 600 mVp p amp Q OUTPUT LEVELS HELD CONSTANT AT 0 5 Vp p SINGLE ENDED USING AGC UNTIL LARGE INPUT EXCEEDS RANGE VO OFFSET 1 EVM rms amp PHASE ERROR deg do N G OFFSET dB IF1 INPUT POWER dBm Figure 29 EVM Phase Offset vs IF1 Input Level 19 W3030 3 V Dual Mode IF Cellular Receiver Outline Diagram 32 Pin TQFP Dimensions are in millimeters 9 00 0 20 _ gt 7 00 0 20 gt PIN 1 IDENTIFIER ZONE 25 1 40 0 05 1 60 MAX sg SEATING PLANE Data Sheet April 1999 1 00 REF ja 0 25 GAGE PLANE ST 0 80 TYP lc Sb 20 a 0 10 SEATING PLANE m 0 45 0 75 DETAIL A 0 09 0 200 0 30 0 45 EN p t 0 20 DETAIL B 12 3076 Lucent Technologies Inc Data Sheet April 1999 W3030 3 V Dual Mode IF Cellular Receiver Manufacturing Information This device will be assembled in one of the following locations assembly code
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LucenTechnologies W3030 3 V Dual Mode IF Cellular Receiver