Description: The 346C Broadband Noise Source has the capability of covering the microwave frequency range up to 26.5GHz as well as the UHF and IF ranges. It is unnecessary for the 346C to maintain a different noise source for each frequency band. Specifications: Frequency range: 10 MHz to 26.5 GHz Excess noise ratio limits: 12 to 16 dB Power required: 28 +/- 1 Vdc Low SWR for ..