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MC44S803 - Low Power CMOS Broadband Tuner

Description

Table 1 lists the pin out of the MC44S803.

In addition to the 64 leads, there is a grounding pad on the bottom of the package, which is soldered to the PCB.

Table 1.

Features

  • Low power consumption (746 mW typical).
  • Single 3.3 V supply operation.
  • Programmable power down mode with fast start-up.
  • Variable-gain Low-Noise Amplifier (LNA) with 40 dB gain control range.
  • Ability to switch between two external analog control voltages for LNA.
  • Two fully integrated frequency synthesizers.
  • Fully integrated tuned circuit Voltage Controlled Oscillators (VCOs).
  • Fully integrated VCO varactors (requires only one.

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Datasheet Details

Part number MC44S803
Manufacturer Freescale Semiconductor
File Size 544.54 KB
Description Low Power CMOS Broadband Tuner
Datasheet download datasheet MC44S803 Datasheet
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Freescale Semiconductor Technical Data Low Power CMOS Broadband Tuner Freescale Semiconductor’s MC44S803 is a 3.3 Volt, low power, high performance, single-chip CMOS, broadband tuner. This chip offers a cost-effective, low-power solution for high-performance analog and digital TV market. This highly integrated third generation silicon tuner covers a 48 MHz to 1 GHz RF input and converts to a 30 MHz to 60 MHz IF frequency. The 861 MHz to 1 GHz frequency range is supported with reduced performance. The single-chip broadband tuner uses a double-conversion architecture, which eliminates tracking filters and their manually aligned coils. Two IF outputs are provided to support systems with multiple demodulators (e.g. one digital demodulator and one analog TV demodulator).
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