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U4459B

TEMIC Semiconductors
Part Number U4459B
Manufacturer TEMIC Semiconductors
Description IF Amplifier
Published Feb 19, 2007
Detailed Description com U4459B IF Amplifier for Cable DVB Processing Description The U4459B is an integrated bipolar circui...
Datasheet PDF File U4459B PDF File

U4459B
U4459B

Overview
com U4459B IF Amplifier for Cable DVB Processing 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.
The circuit contains a wideband IF amplifier, mixer stage, gain control for the IF amplifier and a tuner-AGC (Automatic Gain Control) with adjustable take over point for an additional external preamplifier (tuner).
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...


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