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Path: ...!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: liz@poppyrecords.invalid.invalid (Liz Tuddenham) Newsgroups: sci.electronics.design Subject: Re: Favourite Test Equipment Date: Fri, 5 Apr 2024 09:24:53 +0100 Organization: Poppy Records Lines: 15 Message-ID: <1qrjb8o.u2ipkmlx8gzsN%liz@poppyrecords.invalid.invalid> References: <9k7j0jlnbhs8qfg5m17pium0835meean83@4ax.com> <uudm4h$23si2$1@solani.org> <uultes$iq0n$1@dont-email.me> <uum4h6$kmdl$1@dont-email.me> <uuoaea$61ca$1@solani.org> X-Trace: individual.net I1cvonjyeIkb8EFV+0cC7QzLwD4dakTRFyzZNmHOPRM+LW15C/ X-Orig-Path: liz Cancel-Lock: sha1:8M56GYBn4syQrhMJVHoq15dIs1U= sha256:8Ovlt8eMTmd4TRfeQWjVY93VzJxbGxDCh3yVE5Q1Bt4= User-Agent: MacSOUP/2.4.6 Bytes: 1343 Jan Panteltje <alien@comet.invalid> wrote: > Giggle Hertz oscillations are not happening in LC circuits of specific > kind where those can happen you can figure from the parts used, no giggle > Hz in a BC109. Back in the 1970s I found that a BC109 could be used as a self- oscillating transmitter output stage at 100 Mc/s on a 1.5v supply (it was for small animal cardiography). Most "R.F." transistors wouldn't work under those circumstances. -- ~ Liz Tuddenham ~ (Remove the ".invalid"s and add ".co.uk" to reply) www.poppyrecords.co.uk