DL4KA Project
PA500 ultra-compact
RF amplifier with tuner

PA500 linear amplifier with integrated automatic antenna tuner for your next adventure
Ideal addition for QRP operation and digital emergency radio communication
The complete solution to conquer limitations

compatible

automatic band selection
compatible to most Transceivers
CAT/ACC Interface support

made for HAMs

tailored for adventures and extremes
signatured aluminum unibody
robust outstanding quality

performance

covers most HAM SW Bands
RF Power up to 60W
integrated automatic tuner

unique form-factor

we really like the Discovery TX-500 Transceiver from Lab599. The PA500 is basicly made for the TX-500 but it will work nicly with other Radios as well. The thickness of the PA500 is just 30mm and allows you to operate from anywhere you like.

RF Low pass filters

the PA500 has separate low pass filter banks for the specific band regions. RF Filters made with superior ferrite toroidal cores and precision high voltage glimmer capacitors. The harmonic distortion suppression are >43dB below the carrier signal depends on the selected frequency band.

robust aluminum unibody design

The PA500 body is made of CNC milled durable anodized aluminum, made for extreme operation, perfect for contest work on the go.

integrated automatic antenna tuner

the PA500 has an integrated automatic antanna tuner for most of the operating frequencies to tune a suitable antenna between the 80m and 10m band.

…it is made for HAMs by HAMs

The PA500 linear RF amplifier with integrated tuner from DIY599 is created with love to precision. It is the perfect addition for QRP and emergency radio communication

Please contact us for more information.

specifications

PA500

  • Up to 60W RF peak Power
    depends on the mode and operating frequency
  • max. input drive level: 5W (10W tolerant for 10sec.)
  • 80 – 10m HAM bands
  • All modes: SSB, CW*, AM*, FM*, DIG*
  • current drain up to 10A@13.8V
  • Ultra-compact size (HWD):
    30mm X 207mm X 90m (incl. heatsink)
  • Weight: 0.9Kg
  • Harmonic / Spurious Outputs > 43dB below carrier
  • ACC/CAT Interface support
  • tuning impedance 25-250 Ohms (e.g.80m)
  • 6×5 L-match type tuning network
  • FCC certified

*reduced power

download the alpha draft of the quickstart guide here: QUICK_START_GUIDE (english)

download the alpha draft of the technical reference manual here: TECHNICAL_REFERENCE (english)

“it is really a nice piece of engineering. It works out of the box with my Elecraft KX2 and my Yaesu FT817 Radio. Everthing fits into my bagpack.”

Hans DH7TB

“Amazing, such a solid device, it is really made for exploration. works great with my ICOM IC-705 and my Xiegu-X5105 Transceiver. i feel well prepared.”

Hartmut DM2HK

“This device make so much sense. It match perfectly to my Discovery TX-500 Transceiver from Lab599. This is a solution which help me to be reachable even in an emergency.”

Oliver DL4KA

We support your effort
in emergency radio communication.
Let us experience our hobby.

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