Quote:
Originally Posted by Radio Wrangler
Quote:
Originally Posted by Alan_G3XAQ
Were those the 2N3866s with an in-house marking? If so, here's some light. The pic is a pair of cascode amplifiers I use for IMD measurements.
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Indeed so. If yours have 4-247 written on the cylindrical surface of their TO-5 can, then I assume yours are two of them. Maybe from a G-QRP club stall or from 'ROO.
There are a few out there that I sent out recently doing sterling work in some loop antenna preamps.
David |
There are two from a batch that David kindly gifted to me which have been in use every day for more than a year now, which are indeed doing sterling work in my homebrew loop antenna based on the Gary Tempest version of the 'Wellgood' Wellbook clone, mounted in my loft.