7.4 Command Syntax
7-13
7.4.3 Response unit
When a response is read by a query, the response unit may differ from the value of
unit displayed on the MT8820A. This is because the grade of the response unit is
determined by the unit system, not by the display unit. Care should be taken in
command programming.
The following table shows response units for the MT8820A:
Table 7-4-3-1 Response unit
Classification Display unit Response unit
Frequency GHz, MHz, kHz, Hz Hz
Time s, ms, µs Command-specific
dB dB
dBm dBm
dBc dBc
Level (dB)
dBµ dBµ
Level (W) W, mW, µW, nW µW
Level (V) V, mV, µVV
Example 1:
When display is 1922 MHz: (the command is fictional)
Query FREQ?
Response 1922000000
A frequency is always read in Hz unit
Example 2:
When display is 10 s: (the command is fictional)
Query TIME?
Response 1000
Time is always read in ms unit
Note:
Response unit is the same unit as that when the suffix code is not specified.
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