Download PDFAN7203 ETC1
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Technical content
FM Front-end IC for Radio, Radio Cassette Recorder aD iption Unit ; mm The AN7203 is a monolithic integrated circuit designed for FM front-end which is suitable for 3V ~ SV operation $0 60 tadio/radio cassette recorder. High sensitivity tuner can be T configured in combination with AM-FM, IF + MPX IC 32 (AN7024). | i | ' | 3 | & @ Features i 3 © Built-in AFC diode 1h rm @ Good intermodulation characteristics a2 @ High receiver sensitivity are @ TV band receiver is possible (Max. f = 220MHz) Sim 9-Lead SIL Plastic Package (9-SIP) B® Block Diagram GND Vec
@ Absolute Maximum Ratings (Ta=25°C) Tem Ua Supply Voltage v Supply Current [ke df Bm Power Dissipation a= 75°0) ee Operaing Ambient Temperature *c Storage Temperature a Operating Supply Voktage Range: Voc = 1.8V ~7.0V @ Electrical Characteristics (Ta=25°C) Tem [Span | Conenion | min | op | mae | Un Qansex Cone [kop] Ver=iViwitoutsign +t «aS | SS | 825 | ma Output Vokage [Vor | Voc=3¥.Va=SsdBy ioomez | as | a9 | 92 | aBp Local Oxclnion Wings | Vose | Vers 1itose= 67m | 28 [|| av ARCDndeCupcimee vane | Gwe [VoosW LL | * Max. output voltage value is obtained by changing input signal frequency Af at 1O6MHz @ Application Circuit 5 « aa 100k OVare REIN ooo T Pm | Ue TT Stove Li P? an i a IF Output oom | pdf ye | als 2 o 0.022 “x r, DB Voc=3V © Band pass filter: SOSHIN DENKI BPWB 5 © Variable capacitor: MITSUMI PVC-2LXT-L
® Coil Specifications mol wns [owe [oe | SSE | SE [ARE [oe FM Quad ®-@® 77 Tr Coil | ®-@® 4T 100 10.7MHz ®-® 2 : 3 4T 0.1 nT . g aT; 0.086yH @ Pin Descriptions Se
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2 | REPass-con.| 1,.7V 2.7K O71 @ ee | 9401] “Sal Vs>Vi — RF Signal Uo I Van V3 ‘ iv) ARRAS Be RF Signal ‘feo [eo] [| v P | YA 6 ar Via (vary with RF signal)
A @ Pin Descriptions (Continue) , | we Ceaser ? AR AY Diode (Vrsl¥) t A part of OSC Wave Vv i 10k AC= 1Vpy Op ‘esc I Signal levels of Pin 1, 3 and 4 are in proportion to size of RF signals which are input to antenna. ® Characteristics Curve Trot - Voce Vose - Vec Af - Voc : TTTTLLIILW TTL HE EEE ge $C eee coo
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LVI TT TY | Sx} Par aueeuey Beeecaese| tevesnsss Be TTrh ¢ ttre Fern g PPCEEEECE ecco 2TH ee Beco? “EEE “eee CTrTts 67 s)6|6O CD23 4S 67 8 01234 5678 Supply Voltage Voc (V) Supply Voltage Voc (V) Supply Voltage Vec (V) Vosc - Ta ~ (UU 8 TT SCT gL aH Tr i WUT g JU UU 40-20 0 0 40 6 8 Ambient Temperature Ta (°C)