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RF linear power amplifier with build-in antenna tuner (ATU)
PA500
Advance settings
PCB Version 2.9/3.0
operating frequency range between 3.5MHz-30MHz
The device requires an amateur radio transceiver to operate.
This device is for use by licensed radio amateurs only
FCC-ID: 2A2IEPA500
© 2021 DL4KA
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Summary of Contents for DL4KA PA500
- Page 1 RF linear power amplifier with build-in antenna tuner (ATU) PA500 Advance settings PCB Version 2.9/3.0 operating frequency range between 3.5MHz-30MHz The device requires an amateur radio transceiver to operate. This device is for use by licensed radio amateurs only FCC-ID: 2A2IEPA500 © 2021 DL4KA...
- Page 2 connectors ............................... 3 Set the unit into full-automatic mode ....................4 Advance settings (need a USB-UART cable) ..................4...
- Page 3 connectors left side there is no reverse polarity protection, incorrect wiring will destroy the device. right side...
- Page 4 1. Remove the power cable from the PA500 2. Tap BAND and hold the button 3. Connect the power cord to the PA500, still hold the BAND button 4. PA will be powering ON (white LED is ON) 5. Follow the instruction on the computer screen...
- Page 5 Terminal window: Note: the calibration (9) cannot be performed by a user. Configuration examples for CW operations CW operators whish sometimes a faster response time of the hardware. To avoid relay clicking, it may be necessary to adjust the PTT release time, the PTT restart time and VOX-PTT-Sensitivity. A good value may be the following setting.
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