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Pasternack Debuts USB-Controlled PLL Synthesisers

Bandwidths range from 25 MHz to 27 GHz

Pasternack, a US provider of RF, microwave and millimeter wave products, has launched a new line of USB-controlled Phase Locked Loop (PLL) GaAs frequency synthesisers, covering frequency bands from 25 MHz to 27 GHz.

The GaAs-based devices are suitable for applications involving signal generators, benchtop test and measurement, electronic warfare, and microwave radios, according to the company.

The SMA-connectorised designs support a USB 2.0 interface with a PC computer that supplies DC power and GUI command control. Models offer high output power levels that range from +10 dBm to +19 dBm typical, and output attenuation is adjustable up to 50 dB in 1 dB steps. Phase locked speed is 1 msec typical and phase noise is as low as -108 dBc/Hz at 100 MHz offset.

Additional features include a 50 MHz internal frequency source and optional external reference with supplied cable.

Frequency resolution can be adjusted using either Integer (default) or fractional modes with resolution to a step size down to 1 MHz. 

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