Chinese “Elecraft” style kit BY-101A is a frequency of. The use of SMD components, double-sided PCB. Bands : 80 meters, 40 meters, 20 meters, 15 meters, Mode : SSB (LSB & USB) and CW. The oscillator uses digital frequency PLL synthesizer controlled by the MCU, the minimum step 1K, 1K within the scope of both…
Features Full 80M LSB coverage (3.5 – 3.8MHz) ~ 5 Watts output power Single conversion superhet with 4 pole crystal filter Frequency display with “Huff and Puff” circuit for stabilisation Modulation monitor – helps stop over modulation Volt meter – useful for battery operation Reverse polarity protection (fuse protected) The MAKRS80 is a QRP transceiver…
Designed to equal or exceed the range and audio quality of all other FCC Part 15 AM transmitters currently being sold at any price Ultra-high 98% Class E RF output transistor efficiency On-board low-loss toroid antenna tuning coil optimized for 1350 kHz – 1710 kHz 100% modulation, capable of 130% positive modulation when using external…
Photo by http://qrper.com Features: Bands: 80, 40, 30, 20, 17, 15, 12 and 10 Meters Power: 10 Watts Mode: AM, USB, LSB, CW Modes 3-color backlit internally adjustable display Noise Reduction and Noise Blanker AGC (Fast, Medium, Slow) Pre Amplifier RIT / XIT 2 VFO Displays Memories 100 ch. LINK
The ‘Retro-75’ 75/80 Meter AM Transceiver board kit & The ‘Retro-40’ 40 Meter AM Transceiver board kit This project is a frankly nostalgic look back at our hobby of 50 years ago. It’s now been updated using all modern components. Features: Board size 3.5” x 5.27” Tunable Receiver- 50 kHz, selectable, varicap-tuned 4 kHz receiver…