Quad RF Synthesizer

Now in stock

Building on the success of our XRF flagship RF source, the QRF is a robust and versatile quad-channel RF synthesizer that offers the flexibility of computer-controlled DDS generation at an economical per-channel price - a price point that can compete with home-built analogue solutions.

The QRF offers a range of functionality for common AOM tasks such as adjustable frequency shifting, analog AM/FM/PM/PID, intensity stabilisation, and pulse generation. Integrated power amplifiers enable most AOMs to be driven directly without the need for external amplification.

The channels are inherently phase synchronous, simplifying phase mod-demod experiments such as IQ-measurement. Each channel has a separate modulation input which can be configured independently. Hardware TTL switching permits rapid pulse generation with low jitter.

An integrated display and menu system simplifies standalone operation, and it can be fully computer-controlled over Ethernet or USB using a human-readable control language. A full software suite is provided, including examples in Python, MATLAB and LabVIEW.

• High output power: four channels of up to 2W each
• Wide frequency range: precise frequency control over 10 – 200MHz
• Independent per-channel analogue modulation
• Table mode for sequencing and shaped pulse generation
• PID control for intensity stabilisation and drift compensation
• Simple to control over Ethernet/USB
• Fast on/off control using external TTL to switch the RF in < 40ns
• Complete package, just connect to mains power and it's ready to go!

The QRF is capable of generating output frequencies up to 250MHz at 0.12Hz steps, giving reliable and precise tuning of your output frequency.

An intrinsic limitation of simple DDS systems is that the gain at higher frequencies is reduced. This plot shows typical output power across the output range to help decide whether this product is right for your application. For more critical applciations, see the MOGLabs XRF which has a flatter response curve and higher power across the range.

The QRF features a high-speed RF switch that enables the generation of rapid RF pulses (blue) using a TTL control signal (red) - with only 40ns latency from input to output!