ESG Family Signal Generators Hardkey and Softkey Reference
AM
User’s Guide 4-5
the external 1 source, the signal generator would turn off FM Path 1 and
assign the external 1 source to your
AM Path 2 configuration. Notice that
for these purposes the external 1 AC-coupled source is the same as the
external 1 DC-coupled source and the external 2 AC-coupled source is
the same as the external 2 DC-coupled source.
Default Value: Internal
Softkey Location:
AM > AM Source
AM Start Rate
Use this softkey to change the starting internal modulation frequency
for swept-sine amplitude modulation. To change the value, press the
softkey once. The current value for the AM start rate is displayed in the
active entry area. To enter a new value, rotate the front panel knob
until the desired value is displayed, use the up and down arrow keys, or
enter the value using the numeric keypad and press the
Hz or kHz
terminator softkey. The range of values allowed is 0.1 Hz to 50 kHz. The
minimum increment allowed is 0.1 Hz.
This softkey is coupled to the
AM Rate softkey in the initial AM Menu
and the
AM Tone 1 Rate softkey in the AM Dual-Sine Menu. Any value set
for
AM Start Rate is reflected in the AM Rate and AM Tone 1 Rate softkeys.
Conversely, if you change the value for either the
AM Rate softkey or the
AM Tone 1 Rate softkey, the value for AM Start Rate is changed to match.
Default Value: 400.0 Hz
Softkey Location:
AM > AM Waveform > Swept-Sine > AM Start Rate
AM Stop Rate
Use this softkey to change the ending internal modulation frequency for
swept-sine amplitude modulation. To change the value, press the
softkey once. The current value for the AM stop rate is displayed in the
active entry area. To enter a new value, rotate the front panel knob
until the desired value is displayed, use the up and down arrow keys, or
enter the value using the numeric keypad and press the
Hz or kHz
terminator softkey. The range of values allowed is 0.1 Hz to 50 kHz. The
minimum increment allowed is 0.1 Hz.
This softkey is coupled to the
AM Tone 2 Rate softkey in the AM Dual-Sine
Menu. Any value set for
AM Stop Rate is reflected in the AM Tone 2 Rate
softkey. Conversely, if you change the value for the
AM Tone 2 Rate
softkey, the value for
AM Stop Rate is changed to match.
Default Value: 400.0 Hz
Softkey Location:
AM >AM Waveform > Swept-Sine > AM Stop Rate
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