Signal tracer Signal tracer A signal tracer is a piece of electronic test equipment used to troubleshoot radio and other electronic circuitry. Usually a very simple device, it normally provides an amplifier, and a loudspeaker, often battery-powered and packaged into a small, hand-held test probe. An optional diode detector is usually also provided, allowing the detection of amplitude-modulated signals. The technician injects a test signal into the device under test. Then, by using the signal tracer, the tech can follow the signal through the various circuits of the radio receiver. So long as the signal can be heard, the circuitry up to
Which Medical Device Which Medical Device Which Medical Device is a review site for medical devices with reviews, medical device news and videos of medical procedures. Users can rate and review medical devices listed on the website, or suggest devices for inclusion and review. The website also publishes device reviews from an editorial team and encourages users to submit detailed reviews. Device manufacturers pay a fee to submit expanded product information to the website. Which Medical Device was launched in September 2010 by Dr Philip Haslam (an Interventional Radiologist based at the Freeman Hospital, Newcastle upon Tyne, United Kingdom) alongside colleague Mr Craig