5 pole Cauer filters for the HF bands
To build a solid state amplifier today, one has the availability of many fets. Preferably Ldmos as this is the most sturdy and the most […]
To build a solid state amplifier today, one has the availability of many fets. Preferably Ldmos as this is the most sturdy and the most […]
This design is based on the Motorola (now Freescale) application note AR305. Instead of using the Motorola FET I used the Philips Gemini FET BLF278 […]
To protect my 50 & 70 MHz transceiver against high RF from the HF station, the antennas are only separated 1 meter apart I designed […]
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