Tektronix 1730 Series, Instruction Manual

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1730–Series Checks and Adjustments
5–26
v. Check that the 1730–Series inputs are not terminated and that there is no
signal applied. Connect the Device Under Test connector on the RF
Bridge to the PIX MON OUT connector.
w. CHECK – that the return loss of the PIX MON OUT is better than
30 dB (15.8 mV), from 50 kHz to 6 MHz. Make this measurement with
instrument power on and no signal output.
End of Performance Check Procedure.