Product Summary

The C2798G is a 250 MHz QAM IF downconverter. The C2798G is a Silicon MMIC Downconverter manufactured with the NESAT.III silicon bipolar process. The C2798G consists of an input AGC amplifier, mixer, local oscillator, and video amplifier. It is housed in a small 20 pin SSOP package. The C2798G is designed for use as an IF downconverter for digital CATV settops and cable modems utilizing QAM modulation. NEC stringent quality assurance and test procedures ensure the highest reliability and performance.

Parametrics

C2798G absolute maximum ratings: (1)VCC1 Supply Voltage (Mixer Block): 6.0V; (2)VCC2 Supply Voltage(Video Amp Block): 6.0V; (3)PD Power Dissipation,TA = 85℃: 430mW ; (4)TOP Operating Temperature: -40 to +85℃; (5)TSTG Storage Temperature: -55 to +150℃.

Features

C2798G features: (1)RF/LO frequency range: 30-250 MHz; (2)On chip VCO; (3)Low distortion agc amplifier; (4)-9 dBm IIP3 @ MIN gain; (5)On chip video AMP: 3.0 Vp-p (VCC = 5 V); (6)Small 20 pin SSOP package; (7)Available on tape and reel.

Diagrams

C2798G block diagram

C2791
C2791
Cooper Bussmann
Barrier Terminal Blocks BLK (B008-2792/1)
Data Sheet
0-1: $8.64
1-3: $6.67
3-6: $6.43
6-12: $6.34
C2791-R
C2791-R
Cooper Bussmann
Barrier Terminal Blocks STUD JUNCTN BLK RED BASE
Data Sheet
0-1: $9.17
1-10: $7.46
10-100: $6.42
100-250: $5.09