HP 355D Attenuatore VHF 0,5 Watt 50 Ohm DC-1000 MHz, 0-120 dB, passo 10 dB.

Maximum SWR: 1.2 to 250 MHz, 1.3 to 500 MHz, 1.5 to 1 GHz. Insertion Loss at 0 dB: 0.2 dB + 2.3 dB.GHz. Repeatability Life: 0.03 dB maximum, 0.5 million cycles per section. Frequency Range: dc to 1 GHz.

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