Profile: J. T. Electronics specializes in repair of existing telecommunications equipment and custom design services. Our products include down converters, frequency sources, power amplifiers, low noise amplifiers, modulators, demodulators and power supplies. We provide custom circuit design and hardware from system concepts, or specifications which cover applications from base band to 26 GHz. Specific applications include R.F. amplifiers, active and passive mixers, switches, filters, frequency synthesizers, modulators and demodulators.