TK10931VTL Просмотр технического описания (PDF) - Toko America Inc

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TK10931VTL

NARROW BAND FM/AM IF SYSTEM

Toko America Inc  

TK10931V

PIN FUNCTION DESCRIPTION (CONT.)

PIN NO.

SYMBOL

10 LIM OUTPUT

VOLTAGE

2.0 V

INTERNAL EQUIVALENT CIRCUIT

DESCRIPTION

VCC

FM Limiter Amplifier Signal

Output Terminal.

This pin connects to the phase

shifter circuit.

160 µA

11 QUAD INPUT

3.0 V

VCC

The Phase Shifter Connecting

Terminal

12 FM DET OUTPUT

1.3 V

13 AM DET

1.3 V

40 µA

100 k

100 k

VCC

20 pF

120 µA

90 µA

VCC

FM Detected Signal Output

Terminal

AM Detected Signal Output

Terminal

14 AM SW

15 RSSI OUTPUT

51 k

VCC

AM AGC Amplifier ON/OFF

Control Terminal.

The AM IF, AGC, and Detector

circuits are in the active state

when Pin 14 is pulled up to

VCC.

The AM IF, AGC, and Detector

circuits are in the standby state

when Pin 14 is pulled down to

GND.

RSSI Signal Output Terminal

Page 14

January 2001 TOKO, Inc.

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