MFJ cub QRP CW Transceiver
Operation Manual
1
INTRODUCTION
Congratulations on purchasing the MFJ c
ub
Transceiver. The
cub
takes
advantage of SMD technology to achieve big-radio performance in a pocket-
sized package. Whether you're taking a 10-minute DX break from the
computer, or backpacking in the mountains, the c
ub
is a great way to put the
magic back into ham radio. Here are a few of the features we think you'll
appreciate:
Hot Receiver:
Pulls in
weak
QRP signals.
Low Noise:
Virtually no noise contribution from receiver electronics.
Sharp Passband:
Ladder filter and shaped audio reject unwanted QRM and
QRN.
Differential-Mode AGC:
Audio output holds steady over 80-dB signal range.
Robust AF Output:
100 mW AF amp drives headphones and speakers with
ease.
Adjustable Transmitter:
Power output continuously variable for QRP.
Full QSK:
Seamless electronic switching for smooth break-in.
Natural Sidetone:
Receiver monitors actual on-air signal.
Shaped Keying:
Controlled envelope for click-free keying.
Custom Set-up:
Transmit offset and receiver passband both user adjustable.
Low Power Drain:
Runs from any lightweight regulated power source.
Truly Portable:
Set up anywhere and tuck out of the way when not in use.
Simple to Use:
Off/on switch, volume control, and tuning knob--that's it!
Attractive:
Rugged aluminum case looks good, and it's built to last.
Ergonomic Layout:
Controls conveniently positioned.