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ADF4208 - Dual RF PLL Frequency Synthesizers

General Description

The ADF420x family of dual frequency synthesizers are used to implement local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters.

Key Features

  • ADF4206: 550 MHz/550 MHz ADF4208: 2.0 GHz/1.1 GHz 2.7 V to 5.5 V power supply Selectable charge pump supply (VP) allows extended tuning voltage in 3 V systems Selectable charge pump currents On-chip oscillator circuit Selectable dual modulus prescaler RF2: 32/33 or 64/65 RF1: 32/33 or 64/65 3-wire serial interface Power-down mode.

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Other Datasheets by Analog Devices

Part Number Description
ADF4206 Dual RF PLL Frequency Synthesizers
ADF4207 Dual RF PLL Frequency Synthesizers
ADF4210 Dual RF/IF PLL Frequency Synthesizers
ADF4211 Dual RF/IF PLL Frequency Synthesizers
ADF4212 Dual RF/IF PLL Frequency Synthesizers

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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Dual RF PLL Frequency Synthesizers ADF4206/ADF4208 FEATURES ADF4206: 550 MHz/550 MHz ADF4208: 2.0 GHz/1.1 GHz 2.7 V to 5.5 V power supply Selectable charge pump supply (VP) allows extended tuning voltage in 3 V systems Selectable charge pump currents On-chip oscillator circuit Selectable dual modulus prescaler RF2: 32/33 or 64/65 RF1: 32/33 or 64/65 3-wire serial interface Power-down mode APPLICATIONS Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA) Base stations for wireless radio (GSM, PCS, DCS, CDMA, WCDMA) Wireless LANS Communications test equipment CATV equipment GENERAL DESCRIPTION The ADF420x family of dual frequency synthesizers are used to implement local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters.