HP 11668A High Pass Filter

The HP 11668A high pass filter accessory is recommended when making measurements on active devices that have gain below 50 MHz. Use of the HP 11668A, placed after the HP 11668B, reduces the modulator drive feedthrough from 8 mV to 1 mV and prevents possible amplifier saturation. Use of the HP 11668A filter is not necessary for passive measurements since the feedthrough from the HP 11665B is -65 dBm and causes no degradation in system performance.

[ Features ]

Reduced modulator drive feedthrough from 8 mV to 1 mV
Eliminates the need for passive measurements

[ Specifications ]

Frequency Range:	      50 MHz to 18 GHz

                              Insertion Loss	Return Loss
50 to 100 MHz:	              <=2.5 dB	        >=12 dB
100 MHz to 8 GHz:	      <=1.0 dB	        >=16 dB
8 to 12 GHz:		      <=1.0 dB	        >=14 dB
12 to 18 GHz:		      <=1.5 dB	        >=14 dB

Maximum Input:	              +27 dBm
Connectors:                   Type-N female and male
Weight:			      Net, 0.13 kg (5 oz); shipping, 0.28 kg (10 oz)

[ Ordering ]

HP 11668A High Pass Filter Opt 910 Extra manual, part number 11668-90002 Opt W32 3 Yr Calibration Customer Return Service Opt W34 3 Year Standards Compliant Calibration Service Opt W52 5 Year Customer Return Calibration Service Opt W54 5 Year Standards Compliant Calibration Service

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