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PDF TK14600 Data sheet ( Hoja de datos )
| Número de pieza | TK14600 | |
| Descripción | NARROW BAND FM IF AMPLIFIER | |
| Fabricantes | TOKO | |
| Logotipo |  |
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FEATURES
s Low Voltage Operation
s Two Stage IF Limiter
s Mixer
s Adjustable Internal Regulator
TK14600
NARROW BAND FM IF AMPLIFIER
APPLICATIONS
s GPS Systems
s Digital Communications
DESCRIPTION
The TK14600 is a low operating voltage FM IF system
designed for use in GPS receivers and other digital com-
munications systems. This IC contains a high gain 2-stage
IF limiter with an internal voltage regulator.
The TK14600 is available in the SSOP-12 (MFP-12)
surface mount package.
TK14600
MIXER INPUT
MIXER OUTPUT
GND
IF AMP INPUT
VCC
IF AMP OUTPUT
OSC INPUT
REG INPUT
REG OUTPUT
LIMITER AMP OUTPUT
LIMITER AMP DECOUP
LIMITER AMP INPUT
ORDERING INFORMATION
TK14600M
Tape/Reel Code
TAPE/REEL CODE
BX: Bulk/Bag
TL: Tape Left
MG: Magazine
BLOCK DIAGRAM
ERROR AMP
+
Vref
IF AMP
LIMITER
AMP
January 2000 TOKO, Inc.
Page 1
1 page  
PIN FUNCTION DESCRIPTION
V = 3 V, f = 20 MHz, f = 19 MHz, Injection Level: -3 dBm, f = 1 MHz
CC RF
OSC
IF
PIN
NO.
SYMBOL
VOLTAGE
INTERNAL EQUIVALENT CIRCUIT
1 MIXER INPUT
0.95 V
VCC
10 k
300
TK14600
DESCRIPTION
Mixer RF Input Pin
The operating
frequency range is up to
40 MHz.
This pin is internally
terminated with a
3 kΩ resistor.
2 MIXER OUTPUT
2.0 V
VCC
1k
Mixer Output Pin
The output impedance
is 1 kΩ.
3 GND
4 IF AMP INPUT
2.3 V
3.3 k
VCC
3.3 k
1k
33 p
1k
GND Pin
IF Amplifier Input Pin.
The input impedance is
1 kΩ.
The voltage gain is
approximately 28 dB.
The IF amplifier
frequency range is up to
3 MHz.
5 VCC
6 IF AMP OUTPUT
2.05 V
VCC
1k
Power Supply Pin.
The supply voltage
range is 2.3 to 5.5 V.
IF Amplifier Output
The output impedance
is 1 kΩ. The typical
level is 300 mVP-P.
January 2000 TOKO, Inc.
Page 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TK14600.PDF ] | |
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