This file introduces the features of the ADF4159 direct modulation/fast waveform generation 13 GHz fractional-N frequency synthesizer, including RF bandwidth, frequency resolution, frequency and phase modulation capability, sawtooth and triangular waveform generation, parabolic ramp, ramp superimposed with FSK, ramp with 2 different sweep rates, ramp delay, ramp frequency readback, ramp interruption, 2.7V to 3.3V analog power supply, 1.8V digital power supply, programmable charge pump currents, 3-wire serial interface, digital lock detection, power-down mode, cycle slip reduction, switched bandwidth, fast lock mode, etc.
The ADF4159 is a 13 GHz, fractional-N frequency synthesizer designed for applications such as FMCW radar and communication test equipment. It features a 25-bit fixed modulus for sub-hertz frequency resolution and includes both high and low speed FMCW ramp generation. The device supports frequency and phase modulation, as well as the generation of sawtooth, triangular, and parabolic waveforms.
| RF Bandwidth | 13 GHz |
|---|---|
| Fixed Modulus | 25-bit |
| PFD Frequencies | up to 110MHz |
| Analog Power Supply | 2.7 V to 3.3 V |
| Digital Power Supply | 1.8 V |
| Operating Temperature Range | -40°C to +125°C |
| Phase Detector Frequency | 110 MHz |
The device is suitable for FMCW radar and communication test equipment.
It allows sub-hertz frequency resolution due to its 25-bit fixed modulus.