Fundamental Operation
Configuring the RF Output
Chapter 222
6. Press the up arrow key.
This increments the output frequency by 1 MHz. The frequency display changes to show
1 MHz (the frequency output by the hardware, 700 MHz + 1 MHz, minus the reference
frequency, 700 MHz) and the output frequency changes to 701 MHz.
7. Press
Freq Offset > 1 > MHz.
This enters a 1 MHz offset. The frequency display shows 2.000 000 00 MHz (the
frequency output by the hardware, 701 MHz, minus the reference frequency, 700 MHz,
plus the offset, 1 MHz). The OFFS indicator is activated. The frequency at the RF OUTPUT
connector is still 701 MHz.
Setting the RF Output Amplitude
1. Press
Preset.
2. Observe the AMPLITUDE area of the display (in the upper middle of the display). The
display reads the signal generator’s minimum power level. This is the normal preset RF
output amplitude.
3. Press
RF On/Off.
The display annunciator changes from RF OFF to RF ON. The RF signal is now being output
at the minimum power level at the RF OUTPUT connector.
4. Press
Amplitude >
−
20 > dBm.
This changes the amplitude to
−
20 dBm. The new
−
20 dBm RF output power is now
displayed in the AMPLITUDE area of the display and also in the active entry area.
Amplitude is still the active function until you press another front panel function key. You
can also change the amplitude using the up and down arrow keys and the knob.
5. Practice changing the amplitude using the arrow keys and the knob.
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