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TK10931V Datasheet Preview

TK10931V Datasheet

NARROW BAND FM/AM IF SYSTEM

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TK10931V pdf
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.
Page 1



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TK10931V Datasheet Preview

TK10931V Datasheet

NARROW BAND FM/AM IF SYSTEM

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TK10931V pdf
TK10931V
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ......................................................... 10 V
Operating Voltage Range ............................... 2.5 to 8.5 V
Power Dissipation (Note 1) ................................. 230 mW
FM Limiter Amp Input Frequency ......................... 11 MHz
AM AGC Amp Input Frequency ........................... 0.5 MHz
Mixer Input Frequency ....................................... 150 MHz
Storage Temperature Range ..................... -55 to +150 °C
Operating Temperature Range .................... -30 to +85 °C
TK10931V ELECTRICAL CHARACTERISTICS
Test Conditions: VCC = 3.0 V, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
ICC Supply Current
No Input, AM ON
No Input, AM OFF
5.3 7.1 mA
3.7 5.0 mA
GM Mixer Conversion Gain
RIM Mixer Input Resistance
FM PORTION
Using CFU455F
DC Measurement
22 dB
3.6 k
SINAD
12 dB SINAD
±3 kHz DEV
11 18 dBµ
VOUT(DET)1
Demodulation Output Voltage
1
+80 dBµ, ±3 kHz DEV
55 80 105 mVrms
THD1
Total Harmonic Distortion
+80 dBµ
1.0 2.0
%
Gf
SH
SL
HYS
Filter Amplifier Gain
SCAN Control High Level
SCAN Control Low Level
Squelch Hysteresis
fIN = 1 kHz, Rf = 270 k,
RIN = 1 k
Squelch Input 2.5 V
Squelch Input 0 V
47 dB
2.5 V
0.3 V
67 mV
No Input
0.0 0.1 0.5
V
VRSSI
RSSI Output Voltage
VIN = +40 dBµ
0.4 0.8 1.2
V
VIN = +100 dBµ
1.0 1.4 1.8
V
RFAGC
RF Automatic Gain Control RF AGC OUT V16 = 1 V
62 69 76 dBµ
Note 1: Power dissipation is 230 mW in free air. Derate at 1.84 mW/°C for operation above 25 °C.
Note 2: If the ambient temperature falls below -10 °C, the harmonic distortions of the AM detector output are increased; the minimum operation
voltage will be set to 2.7 V.
Page 2
January 2001 TOKO, Inc.


Part Number TK10931V
Description NARROW BAND FM/AM IF SYSTEM
Maker ToKo
Total Page 26 Pages
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