Xarma is a CW transceiver for the 3.5 MHz amateur band built around CMOS/TTL chips. The name
means "enchanted" in the ancient Euskera language.
Some of it's features are:
250 mW power output over 50 Ohms antenna
Direct conversion receiver.
Low power consumption, portable use.
Use of very inexpensive parts, readily available.
Able to be augmented by SDR transceiver such as M0KGK or WinRad.
The transceiver is being developed, upgrades and modifications should be expected.
You could also see the
. The circuit has been published first at my