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| Username | w6wwr |
| Member Since | August 21, 2025 |
Now showing circuits 1-4 of 4. Sort by
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M-90D TO FT-2980 Impedance Matching and Gain Circuit (Using BC547C) PUBLICSmall circuit to impedance match a Yaesu M-90D microphone to a Yaesu FT-2980. This circuit has a preamp based on BC547C set for adequate gain. (Use "mic gain" 4-6 on the FT-2980) by w6wwr | updated September 28, 2025 2-meter amateur-radio ft-2980 gain ham-radio impedance-matching m-90d preamp rf-resistant yeasu |
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M-90D to FT-2980 with UR6QW PUBLICSmall circuit to impedance match a Yaesu M-90D microphone to a Yaesu FT-2980. This circuit is inadequate gain, and is intended to be used with a UR6QW Equalizer v 6.0 to ensure adequate gain for... by w6wwr | updated September 22, 2025 |
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M-90D to FT-2980 Adapter Circuit PUBLICby w6wwr | updated August 26, 2025 amateur-radio ft-2980 ground-lift impedance-matching m-90d yaesu |
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12v to 5v 100 mA Linear Regulator PUBLICA small, quiet, and simple regulator circuit to provide correct bias voltage to a dynamic microphone when replacing an electret microphone for amateur radio use. by w6wwr | updated August 22, 2025 |