MicroMetrics(now Aeroflex Metelics, now Cobham) 888-641-7364 | Londonderry, NH Tuning varactors, Schottky mixer and detector, PIN, point contact, step recovery diodes, thin film resistors, chip capacitors, thin film circuits. MicroSemi| 800-713-4113 | Irvine, CA Backlight inverters, EMI filters...