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MAX3507 - Upstream CATV Amplifier with On-Chip Anti-Alias Filter

General Description

The MAX3507 is a variable-gain power amplifier for use in CATV upstream transmitters.

The variable-gain feature has 55dB of dynamic range and is controlled by a 3-wire SPI™ bus.

The device is capable of generating +64dBmV output (16QAM/QPSK) when driven with a +34dBmV nominal input signal.

Key Features

  • o Built-In 5th-Order Elliptic Anti-Aliasing Filter MAX3507 Ordering Information PART MAX3507EGI TEMP. RANGE -40°C to +85°C PIN-.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2092; Rev 0; 7/01 Upstream CATV Amplifier with On-Chip Anti-Alias Filter General Description The MAX3507 is a variable-gain power amplifier for use in CATV upstream transmitters. The variable-gain feature has 55dB of dynamic range and is controlled by a 3-wire SPI™ bus. The device is capable of generating +64dBmV output (16QAM/QPSK) when driven with a +34dBmV nominal input signal. The on-chip anti-alias lowpass filter with 75MHz cutoff frequency saves system design cost and space. The optional positive slope generator provides system design flexibility. The device operates from a single +5V supply and draws 220mA nominal during transmit at max gain (100% duty cycle).