- Association of Silicon Valley Amateur Radio Organizations.
ASVARO is a California non-profit public benefit educational corporation (501(c)(3)) dedicated to supporting amateur radio for education and public service. Located in the Silicon Valley of California
144 MHz preamplifier with BF981
- Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.
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