AMERITRON QSK 5PC Instruction Manual AMERITRON QSK 5PC T R SWITCH PC BOARD INTRODUCTION The Ameritron QSK 5PC is a PIN diode QSK circuit board designed for use in Ameritron s AL 80A AL 80B AL 82 AL 1500 and AL 1200 amplifiers Ameritron can not assist customers with the installation of the OSK 5PC in any amplifier other than these five units The OSK 5PC is rated to carry the full power of these amplifiers except on SSTV RTTY and PACKET On these high duty cycle modes th
DxConnection frontier com DX Connection QSK 2500 Instruction Manual DX Connection QSK 2500 Amp Bypass Key Paddle Amp Key f oe Power Out In Key Paddle Xcvr y p 600 1 Description The DX Connection QSK 2500 allows operating a non QSK amplifier in OSK mode with no amplifier modifications No amplifier T R relay interface is required The QSK unit will interface to amplifiers whose key jack presents less than 200 volts positive or negative polarity