MFJ’s innovative pulse tuning technology lets you tune your amplifier at full peak output power for the best linearity. It keeps average power to a low safe level to prevent overheating and power supply stress.
“Sniff-out” RFI or TVI caused by rusty guy wires, rain gutters, clotheslines and others by generating full peak power without amplifier damage. Also, use to evaluate wattmeters and QSK systems.
Set and forget internal trim pots let you tailor your duty cycle and pulse rate precisely for your rig and amp. Plugs into your rig’s CW key jack. Simply press the Pulse Tune button and tune your amplifier normally for maximum power output. Locking pulse tone and momentary carrier tune buttons. Fully shielded all metal case. Uses a 9V battery (not included). Measures a compact 3 1/4 x 1 1/4 x 4 inches.