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Table of Contents
Related Manuals for K1EL VLF-B
Summary of Contents for K1EL VLF-B
- Page 1 VLF Converter VLF-B User Guide www.k1el.com Manual Version 1.0...
- Page 2 10 and 500 Khz. Among the many interesting signals in this VLF range are long range navigation signals, radioteletype, European broadcasts, and radio beacons. The VLF-B will convert the range of 10 – 500 KHz to 4010 – 4500 MHz which is just above the amateur 80 meter band.
- Page 3 VLF-B User Manual Block Diagram The internal components of the VLF-B are illustrated below. A radio antenna is connected to the antenna input SO-239 connector. A bypass relay RY1 selects whether the signal passes directly to the output SO-239 connector or into the converter circuitry. This allows the converter to remain in line when not enabled.
- Page 4 VLF-B User Manual Operation The VLF-B requires a DC power supply in the range of 9 to 13.5 volts DC. The current draw is only 20 mA. A power supply connector is included. Center pin is positive. The front panel is shown below. There are only three user controls, power on/off, converter enable and preselector enable.
- Page 5 VLF B is not used as intended, VLF B is connected incorrectly, Safety guidelines outlined in this document are not followed, or VLF B is modified in any way. K1EL cannot be held responsible in these or other similar events. VLF B contains no user serviceable components or configurable jumpers. Please do not tamper with or modify the circuitry of VLF B as this will void its warranty and may result in unsafe operating conditions.
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