TK10931V TK10931VFMAM2IF TSSOP-24 TK10931 CFU455D 7BRE-7437Z

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

FM / AM dual IF IC FM / AMIF IC TK10931V TK10931V DESCRIPTION The TK10931V 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 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 TSSOP-24 FMAM AMOn/off AMAGC (AM AGC INPUT) AM IF 11MHzFM IF RF AGCRF , , : TSSOP-24 TSSOP-24 APPLICATIONS Amateur Radio CB Radio Scanner Receiver Utility Radio CB PACKAGE OUTLINE Part name Package type Device name Suffix TK10931 TK10931 V ORDERING INFORMAION Outline TSSOP-24 TSSOP-24 T K 1 0 9 3 1 V T L Package code V: TSSOP Storage direction TL: Left type ABSOLUTE MAXIMUM RATINGS Parameter Symbol VOP Operating Voltage Range TOP Operating Temperature Range PD Power Dissipation fOP Operating Frequency Range 2003 FALL Rating 2.5 to 8.5 -30 to +85 230 to 150 Unit Remarks V °C mW MHz TK10931V TK10931V SEMICONDUCTOR SELECTION GUIDE INTEGRATED CIRCUITS ELECTRICAL CHARCTERISTICS Parameter Supply Current 1 1 Supply Current 2 2 Mixer Conversion Gain 12dB SINAD Sensitivity 12dB SINAD Filter Amplifier Gain Squelch Hysteresys S Meter Output 2 S 2 RF Automatic Gain Control RF AGC Symbol Value MIN TYP MAX ICC1 5.3 7.1 mA ICC2 3.7 5.0 mA GM 22 SINAD 11 Gf 47 dB Hys 67 VCC=5.0V, TA=25°C Conditions No Input, AM ON , AM ON No Input, AM OFF , AM OFF Using CFU455D CFU455D CFU455D CFU455D Units mV dB 18 ±3kHz DEV fin=1kHz, Rf=270k, Rin=1k VRSSI2 0.4 0.8 1.2 V RFAGC 62 69 76 dBµ RF AGC OUT V16=1V 16 23 dBµ Input level when output level=20mVrms 20mVrms 1.0 2.0 % 1kHz 30%, Vin=+60dBµ mVP-P Non mod., Vin=+60dBµ , Vin=+60dBµ AM Section Sensitivity AM S AM Section Total Harmonic Distortion THD2 AM AGC Amplifier Output Level Vol(AGC) AGC 500 Vin=+40dBµ BLOCK DIAGRAM 10k VCC 1µF 1µF 10k 10k 0.1µF 20k 20k 270k 10µF 1k 10µF 51k 0.01µF 30k 10.7MHz AM DET OUT 0.1µF 0.01µF on 50 24 23 22 21 20 19 18 GND COMP RECT OSC ~ 1 2 3 4 5 15 14 13 AM SW RSSI AM DET AGC FM LIMITTER AMP AM AMP MIXER 16 VCC VREF AMP 17 6 7 FM DET 8 9 10 11 12 10k FM DET OUT 10pF 10.245 MHz 0.1µF 33pF 0.1µF 0.1µF 0.1µF 120pF 7BRE-7437Z 7BRE-7437Z (TOKO) 0.01µF 30k CFU455D CFU455D 0.01µF VCC 10µF 0.1µF 2003 FALL ~