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The HP 85025D 50 GHz detector is designed specifically for operation with the HP 8757 scalar network analyzer and are not compatible with either the HP 8756 or the 8755. The HP 85025D detector detects either a modulated (ac) or an unmodulated (dc) microwave signal. Specifications. Frequency Range: 10 MHz to 50 GHz. Connector Type: 2.4 mm (m). Dynamic Range: +16 to –55 dBm (ac mode), +16 to –50 dBm (dc mode). Return Loss: 10 dB (0.01 to 0.1 GHz), 20 db (0.1 to 26.5 GHz), 15 dB (26.5 to 40 GHz), 9 dB (40 to 50 GHz). Frequency Responce: ±0.8 dB (0.01 to 0.1 GHz), ±0.5 db (0.1 to 20 GHz), ±1.0 db (20 to 26.5 GHz), ±2.5 dB (26.5 to 40 GHz), ±3.0 dB (40 to 50 GHz).. Power (at 50 Mhz): 16 dB (0.01 to 0.1 GHz), 6 db (0.1 to 20 GHz), -35 dB (20 to 26.5 GHz), -50 dB (26.5 to 40 GHz). Dynamic Accuracy (measurement accuracy as power varies (in dB) from a 0 dBm reference. 25° ±5°C, 50 MHz.): ±1.0 dB (0.01 to 0.1 GHz), ±0.4 dB (0.1 to 40 GHz), ±1.3 dB (26.5 to 40 GHz).
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