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| www..com POWER&RF FM / AM dual IF IC FM / AMIF IC TK10931V DESCRIPTION The TK10931V is an IF IC contains 2 IF systems ( one is for FM, the other is for AM ) and detector. It is suitable for amateur radios, CB radios, scanner receivers, utility radios and so on. TK10931VFMAM2IF IF IC CB FEATURES Simultaneous Operation ( FM and AM section ) Active High On/off Control of AM Section Built-in AGC in AM Section (Gain Control Available with AM AGC Input Pin) AM IF Output Pin FM IF Limiter Amplifier : to 11MHz RF Gain Control Available by RF AGC Output Built-in Amplifier, Rectifier and Comparator for Noise Squelch Small Package: TSSOP-24 FMAM AMOn/off AMAGC (AM AGC INPUT) AM IF 11MHzFM IF RF AGCRF , , : TSSOP-24 APPLICATIONS Amateur Radio CB Radio Scanner Receiver Utility Radio CB PACKAGE OUTLINE Part name TK10931V TSSOP-24 Package Marking Pin configuration 10931 See next page ORDERING INFORMATION Ordering information TK10931VTL Package code V: TSSOP Storage direction TL: Left type ABSOLUTE MAXIMUM RATINGS Parameter Operating Voltage Range Operating Temperature Range Power Dissipation Operating Frequency Range Symbol VOP TOP PD fOP Rating 2.5 to 8.5 -30 to +85 230 to 150 Unit Remarks V C mW MHz 7-2 2005 WINTER www..com POWER&RF ELECTRICAL CHARCTERISTICS Parameter Supply Current 1 1 Supply Current 2 2 Mixer Conversion Gain Mixer Input Resistance 12dB SINAD Sensitivity 12dB SINAD Demodulation Output Voltage 1 1 Total Harmonic Distortion 1 Filter Amplifier Gain Scan Control Hi Level Scan Control Low Level Squelch Hysteresys S Meter Output 1 S 1 S Meter Output 2 S 2 S Meter Output 3 S 3 RF Automatic Gain Control RF AGC AM Section Sensitivity AM Demodulation Output Voltage 2 2 AM Section Total Harmonic Distortion1 AM1 AM Section Total Harmonic Distortion2 AM2 AGC Amplifier Output Level AGC AM OFF Voltage AM OFF AM ON Voltage AM ON Symbol ICC1 ICC2 GM RIM SINAD VO(DET) 1 THD 1 Gf SH SL Hys VRSSI1 VRSSI2 VRSSI3 RFAGC S VO(DET) 2 THD2 THD3 Vol(AGC) VOFF(AM) VON(AM) MIN Value TYP 5.3 3.7 22 3.6 11 80 1.0 47 MAX 7.1 5.0 Units mA mA dB k dB mVrms % dB V V mV V V dB dB mV % % mVP-P V VCC=3.0V, TA=25C Conditions No Input, AM ON , AM ON No Input, AM OFF , AM OFF Using CFU455D CFU455D DC 3kHz DEV +80dB,3kHz DEV +80dB fin=1kHz, Rf=270k, Rin=1k 2.5V 0V Vin=+40dB Vin=+100dB RF AGC OUT V16=1V Input level when output level=20mVrms20mVrms 1kHz 30%, Vin=+60dB 1kHz 30%, Vin=+60dB 1kHz 30%, Vin=+60dB Non mod., Vin=+60dB , Vin=+60dB 55 18 105 2.0 2.5 0.3 0.0 0.4 1.0 62 35 67 0.1 0.8 1.4 69 16 50 1.0 2.0 0.5 1.2 1.8 76 23 65 2.0 4.0 0.3 500 -0.3 0.8VCC BLOCK DIAGRAM 10k VCC 10.7MHz 0.01F 30k 51k 10F 1F 1F 10k 0.1F 10k on 0.1F 20k 20k 0.01F 10F 1k AM DET OUT 270k 2005 WINTER ~ 50 24 23 GND 22 COMP 21 RECT 20 19 VREF 18 VCC 17 16 15 14 AM SW 13 RSSI AM DET FM LIMITTER AMP FM DET AMP AM AMP AGC OSC MIXER ~ 1 33pF 120pF 2 3 4 5 6 0.1F 7 0.1F 8 0.1F 9 0.1F 10 10pF 11 12 10k FM DET OUT 10.245 MHz 7BRE-7437Z (TOKO) 0.01F 30k CFU455D 0.01F VCC 10F 0.1F 7-3 |
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