Keysight 53210A Mode D'emploi page 102

4 53210A Input Signal Conditioning
Channel Characteristics
There is one, plus an optional second input channel on the 53210A counter.
Product Option 201 adds parallel (additional) rear panel access to channel 1.
Product Options 106 and 115 add a 6 GHz or 15 GHz second channel. Option 202
places the second channel (Option 106 / 115) on the front panel and Option 203
places Option 106 /115 on the rear panel.
If a parallel channel 1 input is present on the rear panel (Option 201), all input
NOTE
specifications apply to the rear terminal only, and are relative to 50
impedance. Performance of the front panel input in this instance is not specified.
Also, when calibrating the instrument, the rear panel input terminal is used.
When programming the counter from an I/O interface, configuration is provided
by commands within the SCPI
or
to the optional second channel (Option 106 or Option 115).
The counter's standard (baseband) channel and optional second channel can be
configured independently. Measurements on the channels do not occur
simultaneously, however. Switching between channels retains the channel
configuration, but ends the current measurement. The newly selected channel is
re-initiated and measurements begin when the programmed trigger conditions
are met.
102
in the syntax refers to channel 1. As such, these commands do not apply
INPut
subsystem. Within the commands,
INPut
input
Ω
Keysight 53210A User's Guide
INPut[1]