*** 10W 12V not cased version available here https://www.ebay.com/itm/334454203957 ***
*** 20W 24V not cased version available here https://www.ebay.com/itm/334454204211 ***
This custom designed HF QRP amplifier intended for field or mobile operations or as driver for LDMOS amplifier. This amplifier produced from high quality ORIGINAL parts, such as pair RD16HHF1 (or RD15HVF1) Mitsubishi transistors, OPA2674 IC and AMIDON cores. PA PCB mounted into custom designed aluminum SOLID MILLED case. PA has internal BYPASS relay and PTT control can be GND or +(5-12)v.
Nominal power supply is 13.5v
Nominal current is 2A
Maximum current is 3A
Idle current is 0.4A (adjustable)
Input frequency 0.5-55MHz
Input and output impedance is 50 Ohm
Nominal input power is 0dBm (1mW)
Maximum input power is 4dBm (2.5mW)
Nominal output power 40dBm (10W CW)
Maximum output power is 43dBm (20W CW)
Measured IMD3 performance is -33dB for nominal power
Input/Output RF connectors - SMA female
CASE size is 131x86x25mm
Weight is 0.4kg/0.9lbs
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