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ADF4356

Analog Devices
Part Number ADF4356
Manufacturer Analog Devices
Description 6.8GHz Wideband Synthesizer
Published Dec 21, 2016
Detailed Description Data Sheet ADF4356 6.8 GHz Wideband Synthesizer with Integrated VCO FEATURES ► RF output frequency range: 53.125 MHz to...
Datasheet PDF File ADF4356 PDF File

ADF4356
ADF4356

Overview
Data Sheet ADF4356 6.
8 GHz Wideband Synthesizer with Integrated VCO FEATURES ► RF output frequency range: 53.
125 MHz to 6800 MHz ► Integer channel: −227 dBc/Hz ► Fractional channel: −225 dBc/Hz ► Integrated RMS jitter (1 kHz to 20 MHz): 97 fs for 6 GHz output ► Fractional-N synthesizer and integer-N synthesizer ► Pin compatible to the ADF4355 ► High resolution, 52-bit modulus ► Phase frequency detector (PFD) operation to 125 MHz ► Reference input frequency operation to 600 MHz ► Maintains frequency lock over −40°C to +85°C ► Low phase noise, voltage controlled oscillator (VCO) ► Programmable divide by 1, 2, 4, 8, 16, 32, or 64 output ► Analog and digital power supplies: 3.
3 V ► Charge pump and VCO power supplies: 5.
0 V typical ► Logic compatibility: 1.
8 V ► Programmable output power level ► RF output mute function ► Supported in the ADIsimPLL design tool APPLICATIONS ► Wireless infrastructure (LTE, W-CDMA, TD-SCDMA, WiMAX, GSM, PCS, DCS) ► Point to point/point to multipoint microwave links ► Satellites/VSATs ► Test equipment/instrumentation ► Clock generation FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION The ADF4356 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter and an external reference frequency.
A series of frequency dividers at another frequency output permits operation from 53.
125 MHz to 6800 MHz.
The ADF4356 has an integrated VCO with a fundamental output frequency ranging from 3400 MHz to 6800 MHz.
In addition, the VCO frequency is connected to divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allow the user to generate RF output frequencies as low as 53.
125 MHz.
For applications that require isolation, the RF output stage can be muted.
The mute function is both pin- and software-controllable.
Control of all on-chip registers is through a simple 3-wire interface.
The ADF4356 operates with analog and digital power supplies ranging from 3.
15 V to 3.
45 V, with charge pump ...


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