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MC33170 - RF Amplifier Companion Chip for Dual-Band Cellular Subscriber Terminal

General Description

Pin No.

1 2 3 4 5 6 7 8 9 Pin Name Function Description Band Selection Tx Enable Selects the transmit band Starts the power A level high on this input selects the DCS chain.

A zero selects the GSM chain.

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Datasheet Details

Part number MC33170
Manufacturer onsemi
File Size 231.68 KB
Description RF Amplifier Companion Chip for Dual-Band Cellular Subscriber Terminal
Datasheet download datasheet MC33170 Datasheet

Full PDF Text Transcription for MC33170 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for MC33170. For precise diagrams, and layout, please refer to the original PDF.

MC33170 RF Amplifier Companion Chip for Dual-Band Cellular Subscriber Terminal The MC33170 is a complete solution for drain modulated dual–band GSM 900MHz and DCS–1800MHz...

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lete solution for drain modulated dual–band GSM 900MHz and DCS–1800MHz Power Amplifiers. Thanks to its internal decoder, the MC33170 drastically simplifies the interface between the PAs and the baseband logic section, providing an immediate gain in part count but also in occupied copper area. The device is also ready for 1V platforms since it accepts logic high control signals down to 900mV@25°C. A priority management system ensures the negative is present before authorizing the power modulation, giving the necessary ruggedness to the final design. This function can easily be disabled for PAs not requiring a negative bias.

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