TK10931V Datasheet, PDF (1/26 Pages) TOKO, Inc – NARROW BAND FM/AM IF SYSTEM

TK10931V
NARROW BAND FM/AM IF SYSTEM
FEATURES
s Simultaneous Operation (AM Section, FM Section)
s AM Section with ON/OFF Control Input
s AGC Amplifier Control Input
s AGC Amplifier Output
s High-speed FM Limiter Amplifier (Up to 11 MHz)
s RF AGC Output (for External RF Amplifier)
s Built-in Noise Squelch Circuit (Noise Amplifier,
Rectifier, Comparator)
s Wide Range Voltage Operation (2.5 V to 8.5 V)
s Very Small Package (TSSOP-24)
DESCRIPTION
The TK10931V is an IF system IC designed for communi-
cations equipment. The TK10931V contains the following
functions:
Oscillator
Mixer
FM IF Limiter
Quadrature Detector
AM AGC Amplifier
Squelch Noise Amplifier
AM Detector
Squelch Rectifier
RSSI Output
RF AGC Output
Squelch Comparator
The TK10931V is suited for Amateur radios, CB radios, and
Wide-Band receivers.
The TK10931V is available in the very small TSSOP-24
surface mount package.
APPLICATIONS
s Amateur Radios
s CB Radios
s Utility Radios
s Scanner Receivers
TK10931V
OSC(B)
OSC(E)
MIX OUTPUT
VCC
AM IF INPUT
DECOUPLING
FM IF INPUT
DECOUPLING
DECOUPLING
LIM OUTPUT
QUAD INPUT
FM DET OUTPUT
RF INPUT
GND
COMP OUTPUT
COMP INPUT
NOISE AMP OUTPUT
NOISE AMP INPUT
AM AGC INPUT
AGC AMP OUTPUT
RF AGC OUTPUT
RSSI OUTPUT
AM SW
AM DET OUT
BLOCK DIAGRAM
ORDERING INFORMATION
TK10931V
Tape/Reel
Code
RECT
AMP
AGC
OSC
MIXER
AM
AMP
AM
DET
RSSI _{FM DET}
TAPE/REEL
CODE
TL: Tape Left
January 2001 TOKO, Inc.
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