U6239B
U6239B is 2.9 GHz PLL manufactured by TEMIC Semiconductors.
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2.9 GHz PLL for SAT TV Tuner with UNi-Bus
Description
The U6239B is a single-chip frequency synthesizer with bidirectional I2C bus control and unidirectional 3-wire bus control, developed for SAT TV-tuner and cable tuner applications. This IC contains an integrated preamplifier, a high frequency prescaler, a reference divider with multiple programmable divider ratios, a crystal oscillator, a phase/ frequency detector together with a charge pump, a tuning amplifier and an analog-to-digital converter.
Features
D 2.9 GHz divide-by-16 prescaler integrated D UNi-BUS: I2C bus and 3-wire bus I2C bus software patible to U6223B 3-wire bus software patible to...
