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U4459B |
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| Part Number | U4459B |
| Manufacturer | TEMIC Semiconductors |
| 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 am... |
| 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 control
3 ITun Bandgap
14
VS
2 VTun
5 VGain
13 BG
4,15 GND
Figure 1. Block diagram
TELEFUNKEN S... |
| Document |
 U4459B Data Sheet
PDF 93.35KB |
| Distributor | Stock | Price | Buy |
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