53210A Input Signal Conditioning 4
Keysight 53210A User’s Guide 107
Input Range
The signal operating ranges (input ranges) of the 53210A counter are ± 5.0V, ±
50V,and ± 500V and are dependent on the probe factor. The range is set using the
command:
INPut[1]:RANGe {<range>|MINimum|MAXimum|DEFault}
INPut[1]:RANGe? [{MINimum|MAXimum|DEFault}] (query form)
When a 1:1 probe factor is selected (see “Setting the Probe Factor”), the available
ranges are 5.0V and 50.0V. When a 10:1 probe factor is selected the available
ranges are 50.0V and 500.0V.
CONFigure and MEASure do not change the input range setting. Following a reset
(
*RST) or a front panel preset (Preset), the range is set to 5.0V.
Using Auto Scale
For input signals greater than 100 Hz, Auto Scale detects the signal on the input
channel and sets the range to 5V or 50V depending on the amplitude. Auto Scale
is not the same as an instrument preset which sets a default range of 5V.
Range Example
//period measurement of expected 10 MHz signal,
//maximum resolution, use channel 1
CONF:PER 0.1E-6,MAX,(@1)
INP:IMP 1E6 //set impedance to 1 Mohm
INP:RANG 50 //set 50V range
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