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2014-11-15 06:19  
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This circuit shows the external connections for an LM1823, which is a video IF amplifier that is designed to operate at intermediate carrier frequencies up to 70 MHz, and use phase-locked loops (PLLs) for synchronous detection of amplitude modulation on these carrier frequencies. Figure 3-39B shows a typical PC layout, and Fig .3-39C tabulates the circuit characteristics.