*** Notice *** The HF PackerAmp V4R6 has been retired. There is a new amp in rapid development at this very moment. Go to the group site and see the details. Click on the "Messages and Files" button below. You can sign up and reserve a spot with a $100 downpayment to firstname.lastname@example.org. Mention miniHFPA in the message and include your shipping information. ***
Build to learn with a safety net from HF Projects. The construction documents along with HF Projects group support, personal email and phone support get you to the finish line with a project you can be proud to own and operate.
This amp is an excellent companion to your transceiver such as the FT817, KX3 or others. The amp is a rugged enclosure at home in your backpack or on the picnic table. The amp is powered from your your portable 12V battery source. The design is voltage tolerant providing full output power all the way down to battery exhaustion. Standby current is very low. Operate 160M through 10M. Very quiet in receive mode because the amp is off
. Triggers awake when RF or PTT sensed. Auto adjustment for CW and SSB modes depending on how you are using the amp. The max RF input for full output is your build option of 1W, 2.5W or 5W.