Datasheet Details
- Part number
- U4468B
- Manufacturer
- ATMEL Corporation
- File Size
- 195.40 KB
- Datasheet
- U4468B_ATMELCorporation.pdf
- Description
- Quasi-split Sound Circuit and AM Demodulator IC
U4468B Description
.
The U4468B is an integrated bipolar circuit for full multistandard sound IF signal processing in TV/VTR and multimedia applications.
U4468B Features
* 5-V Supply Voltage
* Gain-controlled 3-stage Wide-band IF Amplifier
* Active Carrier Generation by FPLL Principle (Frequency-Phase-Locked-Loop) for True
Quadrature Demodulation
* Complete Alignment-free AM Demodulator
* Switchable Amplitude Detector for Gai
U4468B Applications
* It supplies AM signals as well as FM/NICAM sound IF signals and thus allows the design of a universal sound IF module for various applications. Quasi-split Sound Circuit and AM Demodulator IC U4468B
Figure 1. Block Diagram
VS 4 14 REF IF-amp
Loop filter 5 FPLL 05 905 VCO 8 9 VCO
IFFM 2 1 IFAM
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