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cumbria designs |
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The X-Lock 3 VFO Stabilizer |
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This compact microprocessor design brings crystal referenced stability to free running VFOs. Accepting an RF input of a few hundred mV over a frequency range of a few 10s of kHz to over 50MHz, the X-Lock continuously measures the host VFO's frequency. By comparing consecutive measurement results the X-Lock computes a variable correction voltage which when applied to a compensation circuit within the VFO, corrects drift. A tri-colour LED indicates lock state and through two small tactile switches, the X-Lock can be personalised to suit operator preferences and the characteristics of the host VFO. |
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This latest version also features two modes of RIT operation to provide consistent lock points over the frequency excursions that occur during Tx/Rx changes. Supplied as a kit only, the X-Lock has been successfully applied to hundreds of commercial and home built designs. "Will it work with my radio?" If your radio has a free running VFO and there is room to install the X-Lock then the answer is almost certainly yes! Take a look at our X-Lock Solutions page to see how it has already been used across a range of popular HF equipment. |
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Features
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Download the X-Lock Manual in pdf format. X-Lock 3.0 Manual |
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Price £36.90 Inclusive of VAT at 20% (£30.75 ex-VAT) |
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