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Hello, I'm sure it's not an opamp. I hooked one up as a buffer and did an AC test, no joy. Best regards, csharp

Hello, I'm hoping that someone can tell me what the following part is. The markings on this 14 pin SOIC are as follows; TI731BN 27M4BC I've called TI and they say it's not one of their part numbers. However I've found these parts for sale by a couple of brokers as TI parts. It's not an...

Hello, If you decide to use passive probes a very handy thing to have around is the Bendix connector. You can buy them from Specialty Connector Company or from Tektronix. It's a small, bulkhead- mountable, metal socket that the probe tip fits into and it's terminated with a solder post. You...

Hello, I have a question. Is either side of the 250VDC supply on the boat tied to the ground plate? If so you would need to use an isolating transformer. If the end user is protected from the 240VDC and it's not grounded, which I will assume for the moment is the case. I might try an auto...

Hello, Companies like Dranetz and BMI that make power line disturbance loggers have some application notes that are useful. You might try the Ezine version of the former Power Quality Magazine at http://www.powerquality.com/ Check with EPRI (Electrical Power Research Institute) for available...

- Noise Reduction Techniques in Electronic Systems by Henry Ott. Wiley-Interscience ISBN: 0471850683

- You should not substitute an X1 capacitor with an X2 rated part (assuming the application really needs an X1 part in the first place.) X1 capacitors have increased surge voltage strength over an X2 rated part.

- You might try the Mine Safety and Health Administration department of the US government. http://www.msha.gov/techsupp/acc/application/application.htm