
4-26 Programming Guide
Softkey/Command Cross-Reference ESG Family Signal Generators
Agilent 8656/57-Compatible Language
P4 (Digital Modulation On)
This command turns on digital modulation (for 8657D/J-compatibility only.)
The P4 command is mapped to the following SCPI commands:
• [:SOURce]:AM[1]:STATe OFF
• [:SOURce]:AM2:STATe OFF
• [:SOURce]:FM[1]:STATe OFF
• [:SOURce]:FM2:STATe OFF
• [:SOURce]:DM:SOURce INTernal1
• [:SOURce]:RADIO:<format>:STATe ON
• [:SOURce]:RADIO:<format>:REPeat CONT
• [:SOURce]:RADIO:<format>:DATA EXTernal
• [:SOURce]:DM:STATe ON
where <format> is either NADC, PDC, or PHS, depending on the specific compatibility
language selected.
PF (Pulse Modulation - Fast Mode) or PM (Pulse Modulation)
The ESG Family Signal Generators support only one input for pulse: EXTernal2. (This is a
DC-coupled input.) Internal pulse modulation, therefore, is not supported in
8656/57-compatibility mode. The PF (or PM) command is mapped to the following SCPI
commands:
• [:SOURce]:PULM:SOURce EXTernal2
• [:SOURce]:PULM:STATe ON
S1 (External Modulation Source)
No action is taken until a modulation form is selected. Pulse is set to EXTernal2. AM and
FM are set to EXTernal1.
S2 (Internal 400 Hz Modulation Source)
• If AM1 is on, this command is mapped to:
[:SOURce]:AM[1]:INTernal[1]:FREQuency 400 Hz
• If FM1 is on, this command is mapped to:
[:SOURce]:FM1]:INTernal[1]:FREQuency 400 Hz
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