衰減器
8494A Manual Step Attenuator, DC to 4 GHz, 0 to 11 dB, 1 dB steps N(f)
8496A Manual Step Attenuator, DC to 4 GHz, 0 to 110 dB, 10 dB steps N(f)
8494A Manual Step Attenuator, DC to 4 GHz, 0 to 11 dB, 1 dB steps N(f)
8496A Manual Step Attenuator, DC to 4 GHz, 0 to 110 dB, 10 dB steps N(f)