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  1. ramussons

    Snubber Circuit For induction motor

    The Snubber (with around 150 Ohms and a .05 uF in series) should be Directly Across the Triac. In your schematic shown the Opto is being fed from the tapping of the RC combination.
  2. ramussons

    Once a minute chirp...

    Have you tried using a Uni Junction transistor 2N2646 or the like?
  3. ramussons

    150 w converter dc 12v to ac 220v inverter boost

    The input is marked as Gnd and Vcc+
  4. ramussons

    Find MOSFET equivalent

    https://alltransistors.com/mosfet/crsearch.php?&struct=MOSFET&polarity=N&pd=3.1&uds=30&ugsth=2.6&id=10&rds=0.023&caps=SO8
  5. ramussons

    What are these sections of this power supply?

    Try your luck here. https://www.ebay.com/bhp/tube-power-transformer
  6. ramussons

    Speakers with wires. Need help to connect to tv

    No, you will need an amplifier to drive those speakers.
  7. ramussons

    Speakers with wires. Need help to connect to tv

    No, your TV has only Audio Line Out. That cannot drive any speaker unless it's an "AmpliSpeaker"- speakers with built in amplifiers. A photo of a bunch of wires conveys no information. Where are those wires coming from?
  8. ramussons

    Activating door video phone with normal bell push.

    Yes, they are available. Have you thought of using opto coupled Triacs? They form a sort of SSR.
  9. ramussons

    Activating door video phone with normal bell push.

    Use a Double Pole 230 V AC relay like this https://www.amazon.in/TSKTECH-Contactor-Relay-Power-Switch/dp/B07C8KQ457/ref=sr_1_6?ie=UTF8&qid=1536906991&sr=8-6&keywords=230v+relay, Use 1 pole in series with a "push to break" switch (to release the relay) to latch the relay. Use the other pole...
  10. ramussons

    DC power over coax

    Use a simple video modulator that shifts the video to RF. You can feed DC power to the Camera and the Modulator on the same coax
  11. ramussons

    Car radio static

    My guess is that some electronic module comes into play when the drive is shifted. And this has some bad radiation causing static.
  12. ramussons

    3 transistor non-contact mains detector

    Purchased something like this more than 12 years ago from a local shop. It still works !!!
  13. ramussons

    Faulty usb-port

    The USB port can be soldered back if it is not damaged or broken any pins. But you will need a steady hand and a soldering iron with a right size tip.
  14. ramussons

    Help with an inductive heating circuit!

    Should'nt the supply (thru' the choke) go to the junction of the 2 coils? Else, what is the function of the upper FET?
  15. ramussons

    Can you suggest internet television hardware ?

    The moment you decide that you want to "browse", you will have to use a keyboard to tell the system what you want to browse for. You have basically 2 options. If you are comfortable using a smart phone for browsing, you can display the phone screen on your TV - use something like easy and...
  16. ramussons

    Connector mismatch

    photos....photos..... please. It will help us all a big way.
  17. ramussons

    My toshiba projection tv won't turn to av without a remote anyone no how I can get to av mode

    There's supposed to be a MENU button on the side of the unit. That should let you choose the settings.
  18. ramussons

    Power supply output voltage

    Have you noticed Post #3?
  19. ramussons

    Feedback mixer. Super harmonics?

    Not too sure whether I have understood your query, but fn can be generated from a*f1 + b*f2, where a and b are amplitudes that follow a pattern: for n > 6, a(n) = a(n-1) + a(n-2) b(n) = b(n-1) + b(n-2)
  20. ramussons

    Radio to mp3 player conversion.

    Hmmmm..... Is the radio working at all? At least some noise in the speaker....:confused:
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