SPE EXPERT 1.3 K-FA HF Linear Amplifier

MAIN FEATURES: • Powerful: up to 1.5 KW (1.3 KW typ.). • Very Light: 7.5 Kg. (16.5 Ibs) typ. • Very Small: h 12, w 28, d 36 cm (4.72”x11.02”x14.17”) connectors included. • Wide Frequency Coverage: 1.8 MHz to 50 MHz, including WARC • Internal Switching Power Supply with Power Factor Correction. • No jumper…

DIY: SSB by RaspberryPI

The original idea (as seen above) was to implement a complete SSB modulator and demodulator with software in a ATTINY45 micro-controller chip and a AD9834 as DDS. The software samples microphone signal with ADC and then derives the amplitude and phase of the audio signal. The amplitude and phase extraction is derived from the in-phase…

YAESU FT-252 and FT-257 VHF/UHF Transceiver

The Yaesu FT-252 is a compact, rugged, easy-to-use, high-performance FM mono-band 2 meter handheld delivering up to 5 watts of RF power. Receive coverage is from 136 to 174 MHz and the memory systems boasts 200 memory channels. CTCSS and DCS encode/decode are included. The FT-252 is water protection to IPX5 specifications. It has a…

Yaesu FTDX1200 HF Transceiver

Features: TX Frequency Coverage: 160 to 6 meters RX Frequency Coverage: 30 kHz to 56 MHz Spectrum Scope IF Width & IF Shift Roofing Filters (3/6/15 kHz) 5 to 100 watts (2 to 25 watts AM) 32 Bit High Speed IF DSP 4.3 in TFT full color display Automatic Tuner Contour, DNR, IF Notch and…