HP 53131A, 132A manual Range for Ch1 , Ch1, Range for Ch2 , Ch3, Resolution Default

Chapter 4 Command Reference

Introduction

Descriptions of the Measurement Functions— <function> (Cont.)

:MEASure[:SCALar][:VOLTage]:FREQuency:RATio? [<expected_value>[,<resolution>]]

[, (@1), (@2) (@1), (@3) (@2), (@1) (@3), (@1) ]

Measures Frequency Ratio between two inputs.

The measurement arming mode is set to “digits.” The Counter uses the <expected_value> and <resolution> parameters to configure the number of digits of resolution arming setting.

The Channel 1 and possibly Channel 2 trigger settings are coupled so that the measurement channels have auto-trigger enabled at 50% with a positive slope.

<expected_value>

range for Ch1 , Ch1 :

Ch2 Ch3

range for Ch2 , Ch3 :

Ch1 Ch1

resolution:

default:

<resolution>

description:

range for Ch1 , Ch1 :

Ch2 Ch3

range for Ch2 , Ch3 :

Ch1 Ch1

1.00E-10 to 1.00E11

1.00E-11 to 1.00E10

<expected_value> should be within 10% of ratio for optimum arming configuration

1

value indicates decade corresponding to least significant digit of the result

1E-25 to 1E8

value which indicates 3 to 15 digits of resolution for the specified <expected>

1E-26 to 1E7

value which indicates 3 to 15 digits of resolution for the specified <expected>

Programming Guide 4-65