X-Lock VFO Stabilizer

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Microcontroller based "Huff Puff" type frequency stabilizer 
 

The X-Lock 2.0 VFO Stabilizer
 

This compact Huff Puff type frequency stabiliser connects to your VFO to provide crystal referenced long term stability. The Cumbria Designs X-Lock takes a fresh approach to traditional frequency stabilizer design by employing modern microcontroller technology to perform frequency measurement and computation of drift correction  signals. Dual on board regulated supplies and optically coupled analogue circuitry combine to produce an exceptionally clean control voltage.

Please note that in common with all frequency stabilisation schemes, the X-Lock will not make a bad oscillator into a good one but it will make the stability of a good oscillator even better. So that the X-Lock can control the host oscillator, it is necessary to install a small number of parts included in the kit into the host oscillator's tuned circuit. Please don't undertake this unless you are competent at modifying existing equipment.

Features

  • Accepts input frequencies from a few kHz up to 50MHz

  • 10Hz lock resolution

  • Input range 100mV to 1v RMS into 10K

  • 6.5v (min) control range

  • New! RIT detection and fast re-lock

  • New! Extended correction pulse duration for tighter control

  • Dual colour LED indicates lock and input status

  • Automatic unlock during tuning

  • Separate regulators for digital and analogue circuitry

  • Opto-coupled analogue stages

  • Pre-programmed Microcontroller

  • +12v operation (10v to 16v typical)

  • Status LED can be remote mounted with supplied connectors 

  • Components supplied for host VFO varactor circuit 

  • High quality PCB

  • Compact size 36mm x 61mm 

  • Comprehensive Instruction Manual 

 

 

£22.95 Inclusive of VAT

(£19.53 Exclusive of VAT)

   

To order by post, please use our order form which can be downloaded from the ordering page.

 

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