TK14600
NARROW BAND FM IF AMPLIFIER FEATURES
s s s s Low Voltage Operation Two Stage IF Limiter Mixer Adjustable Interna...
TK14600
NARROW BAND FM IF AMPLIFIER FEATURES
s s s s Low Voltage Operation Two Stage IF Limiter Mixer Adjustable Internal
Regulator
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 communications 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
BLOCK DIAGRAM
ORDERING INFORMATION
TK14600M
Tape/Reel Code
Vref ERROR AMP +
TAPE/REEL CODE
BX: Bulk/Bag TL: Tape Left MG: Magazine
IF AMP LIMITER AMP
January 2000 TOKO, Inc.
Page 1
TK14600
ABSOLUTE MAXIMUM RATINGS
Maximum Supply Voltage .......................................... 6 V Operating Voltage Range .............................. 2.3 to 5.5 V Junction Temperature .......................................... 150 °C Power Dissipation (Note 1) ................................ 250 mW Lead Soldering Temp. (10 sec.) ......................... 235 °C Storage Temperature Range ................... -55 to +150 °C Operating Temperature Range .................. -30 to +80 °C
TK14600 ELECTRICAL CHARACTERISTICS
Test Conditions: VCC = 3 V, FRF = 20 MHz, FOSC = 18.9 MHz, Injection Level = -5dBm, FIF = 1.1 MHz
SYMBOL ICC GM fIN GIF1 VOUT1 GIF2 VOUT2 fI...