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Groups > sci.electronics.design > #452404
| From | Sylvia Else <sylvia@not.at.this.address> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Amplifier transistor substitution. |
| Date | 2017-03-18 22:42 +1100 |
| Message-ID | <ej4kq2FfmovU1@mid.individual.net> (permalink) |
| References | <ej4csuFe5h4U1@mid.individual.net> <b63403a6-def5-4f97-aeec-1e79fff9e23f@googlegroups.com> |
On 18/03/2017 10:08 PM, Phil Allison wrote: > Sylvia Else wrote: >> >> The smoke escaped from my old oscilloscope today. I've determined that >> it came out of R740, to the bottom right of the circuit diagram. >> >> https://www.dropbox.com/s/9053dnyr0izv88r/XAMP.PDF?dl=0 >> >> This is because T711 has shorted out. >> >> Not very surprisingly I cannot source a replacement BF472, so I need to >> find a substitute. >> > > > ** A nice old Hameg CRO, worth keeping going in anyone's book. > > You likely did not check the WES catalogue. > > It lists the BF472 for $0.86 + gst. > Thanks for that. Sylvia.
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Amplifier transistor substitution. Sylvia Else <sylvia@not.at.this.address> - 2017-03-18 20:27 +1100
Re: Amplifier transistor substitution. "Kevin Aylward" <kevinRemovAT@kevinaylward.co.uk> - 2017-03-18 10:41 +0000
Re: Amplifier transistor substitution. Cursitor Doom <curd@notformail.com> - 2017-03-18 11:13 +0000
Re: Amplifier transistor substitution. bitrex <bitrex@de.lete.earthlink.net> - 2017-03-18 18:15 -0400
Re: Amplifier transistor substitution. Sylvia Else <sylvia@not.at.this.address> - 2017-03-19 12:44 +1100
Re: Amplifier transistor substitution. Winfield Hill <hill@rowland.harvard.edu> - 2017-03-18 19:03 -0700
Re: Amplifier transistor substitution. Sylvia Else <sylvia@not.at.this.address> - 2017-03-19 13:14 +1100
Re: Amplifier transistor substitution. Cursitor Doom <curd@notformail.com> - 2017-03-19 14:11 +0000
Re: Amplifier transistor substitution. Winfield Hill <hill@rowland.harvard.edu> - 2017-03-20 06:20 -0700
Re: Amplifier transistor substitution. Cursitor Doom <curd@notformail.com> - 2017-03-20 23:26 +0000
Re: Amplifier transistor substitution. Phil Allison <pallison49@gmail.com> - 2017-03-18 04:08 -0700
Re: Amplifier transistor substitution. Sylvia Else <sylvia@not.at.this.address> - 2017-03-18 22:42 +1100
Re: Amplifier transistor substitution. "Benderthe.evilrobot" <Benderthe.evilrobot@virginmedia.com> - 2017-03-18 22:01 +0000
Re: Amplifier transistor substitution. Sylvia Else <sylvia@not.at.this.address> - 2017-03-19 16:34 +1100
Re: Amplifier transistor substitution. Cursitor Doom <curd@notformail.com> - 2017-03-19 14:13 +0000
Re: Amplifier transistor substitution. John Robertson <spam@flippers.com> - 2017-03-21 08:34 -0700
Re: Amplifier transistor substitution. Cursitor Doom <curd@notformail.com> - 2017-03-21 18:18 +0000
Re: Amplifier transistor substitution. Sylvia Else <sylvia@not.at.this.address> - 2017-03-20 13:28 +1100
Re: Amplifier transistor substitution. Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2017-03-20 10:59 +0200
Re: Amplifier transistor substitution. Sylvia Else <sylvia@not.at.this.address> - 2017-03-21 10:57 +1100
Re: Amplifier transistor substitution - fixed. Sylvia Else <sylvia@not.at.this.address> - 2017-03-22 19:33 +1100
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