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#11
November 26th 05, 02:25 PM
posted to de.sci.electronics,rec.radio.amateur.homebrew,sci.electronics.components,sci.electronics.design
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Unusual functions of cheap parts
On Sat, 26 Nov 2005 21:19:18 +1000, Murray wrote:
Frithiof Andreas Jensen wrote: E.G the CMOS 4007. See the old handbooks for a '100dB amplifier' based on a RCA chip - there was a wiring error in that old description - IIRC it was 3800? - whatever, the 4007 is the same chip. The Motorola McMOS handbook (2nd edition 1974) warns about this usage by pointing out that by cascading three such AC coupled stages, the last stage will be saturated by the noise from the first stage. Paul OH3LWR |
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