Preliminary 3 Typical Applications CATV Set-Top Boxes Cable Modems Cable-Ready TVs RF3330 IF GAIN CONTROLLED AMPLIFIER 3 1.59 1.61 0.365 0.15 0.05 The RF3330 is a gain-controlled amplifier suitable for application in the IF receive section of a cable tuner.
It consists of a high impedance differential input stage, a low impedance differential output stage, and a differential gain-controlled amplifier.
The voltage gain may be varied by applying an analog control v