UPC2781GR

SI MMIC IQ DEMODULATOR UPC2781GR FEATURES RF BANDWIDTH: 440 - 520 MHz IF BANDWIDTH: 0.3 - 20 MHz ON CHIP 90˚ PHASE SHIFTER IQ PHASE AND AMPLITUDE BALANCE Amplitude Balance: ± 0.5 dB Phase Balance: ± 2.0 degree LOW IM3 DISTORTION: 35 dBc Typical SMALL 20 PIN SSOP PACKAGE TAPE AND REEL PACKAGE AVAILABLE INTERNAL BLOCK DIAGRAM GND(IQ) 1 VCC(IF-I) 2 VAGC 3 GND(RF) 4 RF IN 5 RF IN 6 GND(IQ) 7 VCC(RF) 8 VCC(IF-Q) 9 VCC(PS) 10 90 deg phase shifter 20 I OUT 19 I OUT 18 OSC OUT 17 OSC-B2 16 OSC-C1 15 OSC-C2 14 OSC-B1 DESCRIPTION The UPC2781GR is a Silicon MMIC IQ demodulator manufactured with the NESAT III™ silicon bipolar process. The IC consists of an AGC amplifier, double balanced mixers, oscillator, 90˚ phase shifter, and I&Q output buffer amps. The device was specifically designed for DBS receivers and other www.DataSheet4U.com digital communication systems. NEC's stringent quality assurance and test procedures ensure the highest reliability and performance. AGC AMP. 13 GND(PS) 12 Q OUT 11 Q OUT ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 5 V, ZL = 1k Ω) PART NUMBER PACKAGE OUTLINE SYMBOLS ICC fRF fIF CG NF IM3 ∆Φ ∆G GAGC LO-RF LO-IF PO (SAT) VO PARAMETERS AND CONDITIONS Supply Current (no input signal) RF Input Bandwidth (fIF = 10 MHz, fRF > fLO, IQ Phase Balance < ± 1.5˚) IF Output Bandwidth (fRF = 480 MHz, PLO = -10 dBm, fRF > fLO, VAGC = 0 V) Conversion Gain (fRF = 480 MHZ, fIF = 10 MHZ, VAGC = 0 V) Noise Figure (fRF = 480 MHZ, fIF = 10 MHZ, PLO = -10 ...