The receiver works according to the double superhet principle and is designed for the frequency range from 40 kHz to 30 MHz. It is characterized by an elaborate circuit with several quartz-stable oscillators and a DDS frequency processing. In addition, it has a tunable preselector, high-quality ceramic filters in the second IF position and a product detector for SSB and CW reception. For AM, 6 kHz and 9 kHz bandwidth are available. A TCXO ensures high frequency stability of Lokalsozillators.
Thanks to a very detailed, richly illustrated construction manual, it is also possible for beginners without knowledge of HF technology to build this kit successfully.
The adjustment work is limited to the LCD contrast adjustment and the leveling of the S-meter. Required are multimeter, soldering iron, pliers and screwdrivers as well as a steady hand and patience. The only SMD component of the kit is already pre-assembled.

The kit contains all required boards, assemblies and components as well as a machined and printed housing.


frequency range 0,04…30 MHz
circuit principle Double superhet with manual preselector as well as digital frequency editing and display
balancing Rotary encoder with adjustable step size, direct selection buttons for radio and amateur radio bands
sensitivity -135 dBm (SSB)
bandwidth AM: 6 kHz, 9 kHz; SSB: 3 kHz; CW: 750 Hz
operating voltage 11…15 V
current consumption approximately 500 mA



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The post RF SHARK SHORTWAVE RECEIVER KIT appeared first on QRZ NOW – Ham Radio News.


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