RF Explorer User Manual page 10
High Power Switch: The Signal Generator includes an internal 30dB nominal attenuator. This allows
the unit to generate low level signals for multiple purposes. The attenuator is disabled when the
High Power Switch is ON.
Power Level Switch: The Signal Generator includes an internal power switch, with a nominal 3dB
increment on each step. There are a total of 4 steps. When combined with the internal attenuator, a
total of 8 possible power values can be selected.
Power mode: The Signal Generator describe the step required to enable the RF output signal, at the
selected frequency and selected power level. By clicking on ENTER key the power signal will be
delivered to the RF output port, and the screen will clearly indicate that with RF POWER ON
message.
Please note standard precaution of RF power delivered without a connected load.
Using the keyboard: In the RF SIGNAL GENERATOR mode screen, the keyboard can be used for easy
and convenient tasks as described below:
o Using buttons LEFT and RIGHT on this screen will increase or decrease the selected
frequency by the amount expressed on the Freq Step value configured in the FREQUENCY
MENU.
You must have connected a 50 ohm antenna or RF load before you switch your
transmitter ON.
If you switch the transmitter ON without a proper load, you may damage the RF
load to feed. Think of the equivalent to an audio amplifier running at full power
with no speakers connected: you are likely damaging the power transistors.
You can use any kind of RF 50 ohm load, including a dummy load, a coaxial with a
50 ohm termination, an antenna, etc. If you use a load different than 50 ohm, the
reflected wave may also damage the power amplifier.
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