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November 26th 05, 11:04 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
The 4007 is the classic crystal oscillator circuit.
Don't forget the temperature characteristics! - Henry "Murray" schrieb im Newsbeitrag ... Frithiof Andreas Jensen wrote: "Henry Kiefer" skrev i en meddelelse ... Do you know of other interesting devices or circuits good for misuse? Unbuffered logic gates can make a really bad but still useful analogue amplifier by adding feedback and bias. 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. Murray vk4aok |
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