Description
The U4459B is an integrated bipolar circuit suitable for the IF processing in cable-DVB receiver (DVB = Digital Video Broadcasting) and cable network application.
Features
- D Input frequency range 30 to 50 MHz (1st IF) D Wideband IF amplifier with high linearity D Gain control of the IF amplifier by external dc voltage D Mixer stage with local oscillator input (symmetrical or unsymmetrical) D High output level of mixed signal (2nd IF) (up to 2.4 V, peak-to-peak value) D Tuner-AGC with adjustable take over point for a preamplifier D Supply voltage range 6.8 to 13.5 V
Package: DIP16
LO in 8 IF1 in 1 IF amp
LO in 9
95 9636
6 16 IF1 in Mixer
IF2 out
IF gain cont.
U4459B Datasheet
