HP 70905A RF Section, 50 kHz to 22 GHz

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The HP 70905A RF section provides the broadband inputs for the spectrum analyzers. The RF section converts the input signals to an intermediate frequency for further processing. This broadband, low noise mixer offers the performance needed to make high dynamic range measurements. The HP 70905A operates to 22 GHz and has a 0 to 70 dB input attenuator, variable in 10 dB steps. The first LO auxiliary output allows operation with tracking generators and external mixer interface modules.


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General Specifications

Inputs/Outputs
RF Input:                     type N (f)
50 ohms (nominal):            front panel
LO Emissions:                 <-10 dBm with 10 dB attn VSWR (>=10 dB attn) 

     Frequency (GHz)          VSWR (nominal)
	
     0 to 12.7                <1.7:1
     12.5 to 18               <2.0:1
     18 to 22                 <2.5:1

321.4 MHz IF Output:          SMB (m), rear panel, 50 ohms (nominal)
Frequency Range:              100 MHz to 700 MHz
Amplitude Level:              tracks 21.4 MHz IF with -21 dBm ±3 dB
                              offset (in 321.4 MHz bands only)
First LO Auxiliary
Output:                       SMA (f), rear panel, 50 ohms (nominal)
Frequency Range:              3.0 to 6.0 GHz
Power Range:                  +1.5 dBm to 12 dBm


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HP 70905A     RF Section, 50 kHz to 22 GHz
   Opt 1BN    Certificate of Calibration
   Opt lBP    Certificate of Calibration and Data
   Opt 910    Extra User's Manual
   Opt 915    Service Manual Set
HP 70860A1    HP 70861A1

1If this module will be installed into an existing system, a firmware
upgrade may be required. Modules with firmware version B.04.02 (920325)
and earlier require upgrade HP 70860A. Modules with later
version firmware may use upgrade HP 70861A. For more information
see service note 70900A-14L/70900B-01G.

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No literature is available online at this time.

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