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SX1781 Datasheet - Semtech

SX1781-Semtech.pdf

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Datasheet Details

Part number:

SX1781

Manufacturer:

Semtech

File Size:

444.45 KB

Description:

Pll frequency synthesizer.

SX1781, PLL Frequency Synthesizer

The SX1781 is a high-performance low phase noise integer-N frequency synthesizer for wireless communications applications.

The circuit embeds a fully integrated PLL (including VCO tank and loop filter), complementary output buffers The divider and power-down settings are programmable via an SPI inte

SX1781 Features

* Frequency range:1200 to 1400 MHz Frequency step: 250 kHz min. Phase noise: -85 dBc/Hz @ 10 kHz offset Reference spurs: -67 dBc Hopping time: 350 µs max. Operating voltage: 3.0 - 3.6V Programmable Output Power: up to +5 dBm Integrated VCO and loop filter SPI-bus interface Lock Detect output and squel

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