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1. [Amps] Looking for info: SRF7053 device (score: 1): Author: "John D'Ausilio" <jdausilio@gmail.com>; Date: Mon, 24 Jul 2006 14:59:12 -0400; I've got a flaky 903 amp, with a series of devices starting with SRF7058, then SRF7059, then SRF7053. Only ref I've been able to find is that the 7053 is a 100w FET device, but I'm not sure I believe; /archives//html/Amps/2006-07/msg01025.html (7,204 bytes)
2. Re: [Amps] Looking for info: SRF7053 device (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Mon, 24 Jul 2006 15:14:24 -0400; John, The SRF line is by RF Parts. They contracted with Motorola at the time to produce these custom numbers for them. In reality, they are the same as the Motorola line. You can contact RF Parts for; /archives//html/Amps/2006-07/msg01027.html (7,721 bytes)
3. Re: [Amps] Looking for info: SRF7053 device (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Mon, 24 Jul 2006 16:25:03 -0400; Hank, I didn't know any other companies sold the SRF parts besides RF Parts. Thanks for the info on this. The way I knew about this was because of a conversation I had with RF Parts several years bac; /archives//html/Amps/2006-07/msg01028.html (10,811 bytes)
4. Re: [Amps] Looking for info: SRF7053 device (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Mon, 24 Jul 2006 23:02:12 +0100; When Motorola pulled the plug on all but BTS devices, M/A Com took over the rf power lines, lower power stuff and linear devices went to Microsemi. I don't know what's happened since then, but severa; /archives//html/Amps/2006-07/msg01033.html (8,081 bytes)
5. Re: [Amps] Looking for info: SRF7053 device (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Mon, 24 Jul 2006 23:20:53 +0100; Tracing the circuit - especially any bias circuits - should help identify FET from bipolar. If the amp has a model number, you might be able to find marketing blurb which might say what device techno; /archives//html/Amps/2006-07/msg01042.html (7,802 bytes)
6. Re: [Amps] Looking for info: SRF7053 device (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Tue, 25 Jul 2006 12:22:19 +0200 (CEST); in replacements.< Generally, it seems that in the semiconductor world, analogue second sources very rarely are. Oh, sometimes, but even such mundane devcies as a 741 op amp can vary enough in some pa; /archives//html/Amps/2006-07/msg01073.html (8,323 bytes)

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