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Na našom trhu menej známa firma RF -Kit DH3NAB inovovala ich stavebnicu zosilňovača pre krátke vlny s dvoma LDMOSFET, B26-PA RF2K-S. Nie je to úplne klasická stavebnica a amplifier sa dodáva takmer ako hotové zariadenie. Doplniť bude potrebné Raspberry® Pi 4 – 2GB a napájací kábel. Všetko ostatné vrátane koaxiálneho prepojovacieho kábla, USB kábla či microSD karty sú súčasťou dodávky.
Main features of RF-Kit amplifier RF2K-S
- Frequency range: 1.8-30 MHz and 50-54.2 MHz
- Output power: 1500 W and 6 m: 1100 W
- Excitation power level: 55 W on all bands ( US version )
- Efficiency: up to 70% depending on the band
- TX/RX switching: <2mS PIN diodes
- Internal automatic antenna tuner (unlimited memory)
- 1x TRX a 4x antenna
- excellent signal quality
- very quiet operation with temperature controlled fans
- two LDMOS transistors capable of working up to 3400 Watts
- 7-inch touch screen
- display for multiple operators and Settings
- -55 dB output for pre-distortion correction
- auto RF Sens Band Selection system for switching to the operating band
- Yaesu® Band Data interface
- Yaesu BCD band DATA output for other devices
- CAT connectivity via USB
- CAT over IP (UDP)
- LAN konektivita (plná Support remote station)
- Wi-Fi connectivity (guest or client mode)
- silent internal PSU 90-290 VAC
- 800W output power at 110 VAC power supply; full power at 230 VAC power supply
- power measurement from 1 W to 3 KW
- Software update via the Internet
- full remote control via the Internet via a PC, tablet or smartphone
- supported Apple® IOS, Android®, Linux® and MS Windows® platforms
- FCC approval for the kit in the US
- switching on using a +12V voltage supply
- Dimensions H x W x D: 7.4 x 12.2 x 16.7 inches / 19 x 31 x 42.5 cm
- weight: 35.2 lbs / 16 kg
The price on the US market is around $4,500.00. More information at https://rf-power.eu