WA3RNC TR-45 | Q R P e r

Many thanks to Jim (N9EET) who notes that WA3RNC will soon be shipping his latest QRP transceiver kit: the TR-35.

According to the WA3RNC website, factory wired/assembled kits are available now for $379 US. The regular kits (with pre-wound toroids!) will be available for purchase January 24, 2022 for $279 US. If you’d like the pre-assembled version, simply click the checkbox that adds $100 for assembly in the WA3RNC store.

Here are a few TR-35 specs from the WA3RNC website:

- Size 5 ½ X 3 ¼ X 1 ½ less protrusions, weight 10.6 Oz
- 5 watts output on all bands at 12vdc input
- Full coverage of 40, 30, 20, and 17 meters with extended RCVR tuning above and below
- RCVR modes for CW narrow and CW wideband, and for SSB reception
- Optimized for operation from 3 series-connected 18650 Lithium cells
- RIT tunes + and – 5KHz
- Blue OLED display reads frequency to 10 Hz and RIT offset
- Built in Iambic keyer is adjustable 5 to 45 WPM with front panel control
- Separate jacks for straight key and paddles; Always ready for SKCC contacts
- Operates on 9.5 to 14 volts, < 100 ma receive, about 1 Amp Xmitt at 10 volts
- Selectable tuning resolution steps of 10, 100, and 1000Hz
- Low battery indicator with internal adjustment 9.5 to 11.5 volts
- Front panel adjustable RF gain control
- Front panel TX power control; Adjustable from 0 to full output
- Rugged TO-220 FET RF amp has delivered 5 Watts key down for 5 minutes
- Signal quality blue LED, RIT warning orange LED, Low battery red LED
- Excellent receiver sensitivity with MDS of -125dBm
- Very effective receive AGC prevents ear damage with strong signals
- Transmitter harmonics and spurs -52dB, meets FCC specs
- CW sidetone is the actual transmitter signal as heard by receiver
- Match the received signal tone to the sidetone for perfect zero beating
- Sharp IF filter; Better than 350 Hz at the -6dB point, plus 700 Hz audio filter
- Over 250 machine placed SMT parts, and about 55 user installed parts
- All critical circuits are factory pre-aligned and calibrated
- No endless “back menus”; There is a control or switch for every function
- Factory wired and tested option available
- All torroids are factory wound and prepared