HP 85037B Precision Detector

Product Summary

The HP 85037B precision detector is designed specifically for operation with the HP 8757D scalar network analyzer and may be used in either ac or dc detection modes. This dual diode detector contains internal frequency correction factors in an internal EE PROM (read automatically by the HP 8757D) for improved measurement accuracy versus frequency. When used in conjunction with the HP 8757D's internal power calibrator (Opt 002), these detectors provide the maximum absolute power measurement accuracy. The HP 85037B is not compatible with the HP 8757E, 8757A, 8756A, or 8755.

Product Features

• Improved measurement accuracy versus frequency

• Provides maximum absolute power measurement accuracy when used in conjunction with the HP 8757D's internal power calibrator (Opt 002)

Product Specifications

Frequency Range:		10 MHz to 26.5 GHz
Connector Type:			3.5 mm (m)
Dynamic Range
	ac mode:		+20 to -55 dBm
	dc mode:		+20 to -50 dBm
Return Loss
	0.01 to 0.04 GHz:	10 dB
	0.04 to 18.0 GHz:	20 dB
	18.0 to 26.5 GHz:	18 dB
Frequency Response
	0.01 to 0.04 GHz:	±0.35 dB
	0.04 to 18.0 GHz:	±0.18 dB
	18.0 to 26.5 GHz:	±0.22 dB


			Dynamic Accuracy¹	Absolute Accuracy²		
Power @ 20 dBm:		±0.25 dB		±0.25 dB
Power @ 10 dBm:		±0.11 dB		±0.11 dB
Power @ -30 dBm:	±0.11 dB		±0.11 dB
Power @ -50 dBm:	±0.85 dB		±0.85 dB

¹Dynamic Accuracy refers to measurement accuracy as power varies 
 (in dB) from a 0 dBm reference.  25° ±5°C, 50 MHz
²DC mode, 25° ±5°C

Product Ordering Information

HP 85037B	Precision Detector

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