PRELIMINARY DATA SHEET
3V DUAL DOWNCONVERTER AND PLL FREQUENCY SYNTHESIZER
UPB1004GS
FEATURES
• INTEGRATED RF BLOCK: RF & IF Downconverter + PLL frequency synthesizer
• DOUBLE-CONVERSION: f1stIF = 61.
380 MHz f2ndIF = 4.
092 MHz
• ADJUSTABLE GAIN: 20 dB range MIN • FIXED DIVISION PRESCALER • LOW POWER CONSUMPTION: 37.
5 mA @ 3 V • SMALL 30 PIN SSOP PACKAGE • TAPE AND REEL PACKAGING AVAILABLE
DESCRIPTION
The UPB1004GS is a Silicon Monolithic Integrated Circuit designed for low cost GPS receivers.
The IC combines a double-conversion RF/IF downconverter block and a PLL frequency synthesizer on one chip.
The device operates on a 3 V supply
voltage and is housed in a small 30 pin SSOP package, r...