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Recent content by captainkirksdog

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    How to mix line-level audio of XBox with PCs speaker-level

    Audio help needed. Hello, I sometimes do volunteer work for a summer-school computer class for mentally-disabled kids. These kids get bored real fast, so to keep some kind of order, we let them play games, too. We have about a dozen Xboxes for them. How can I mix the line-level audio from an...
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    Testing tubes without a tube tester???

    tube tester basics Hi Folks! Dumb Question #1: How can I test vacuum tubes without a tube tester? Namely, 6AK6, 6BE6, 6HR6, and 12AX7. Dumb Question #2: Is there a solid-state equivalent to these tubes? They are from an old Knight Star Roamer that keeps dying. Dumb Question #3: Is the...
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    Logic-Triggered 555 Needed

    555 timer long delays Hello, I need a circuit that shows how to trigger a 555 from a CMOS-level logic source. The 555 must have a 1-hour delay and then a 1-minute alarm. Does anyone have anything like this? Thank you. <ckd>
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    What is the formula for size and shape of a waveguide?

    Waveguide formulae Hi, Does anybody know the formulas for calculating the size and shape of a waveguide? <ckd>
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    What are these parts / part numbers?

    What are these parts? Hi, Anybody recognize these part numbers? MuRata #CFu455E and SFE10.7MS2-A. Also, a Toko number, #RMC2A6597. Any and all help is appreciated. Thanks. <ckd>
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    Where to find Motorola application note AN980?

    Hello, Can anyone help? I'm still trying to find the MOTOROLA Application Note, #AN980. Its about 4.5 Megs in size, which is why I can't get it from Big M anymore. I don't need the one from ST Technologies. Your help is appreciated. Thank you. <ckd>
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    Does anyone have Motorolas application note, AN980?

    AppNote Needed Hi. Does anyone have Motorola's application note, AN980? I would really like to find a copy. Thanks. <ckd>
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    Does anyone have Motorolas application note, AN980?

    AppNote Needed Hi. Does anyone have Motorola's application note, AN980? I would really like to find a copy. Thanks. <ckd>
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    need 12V ~ 10A power supply

    12v 10a psu Try this link... [h**p://control.gsnu.ac.kr/~f007dan/cicuit/homepage.htm#menu] I looked at it and I think you might be able to get what you want here. Good luck. <ckd>
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    Sidereal clock circuit needed

    sidereal clock circuit Hello, Does anyone have a clock circuit for displaying sidereal or "star time"? Any and all help is appreciated. Thanks. <ckd>
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    vacuum tubes - where to get them?

    Tubes needed... Hi, I have a friend that needs some help. Anyone know where I can get a 6AK6, 6BE6, 6HR6 and a 12AX7 vacuum tubes? Also need to find a ZN416 chip. Appreciate all help. Thanks. <ckd>
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