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Curtis EK-420, EK-420A
Object/Artifact
-
Radio Alpha
Image: Joe Veras, K9OCO
Name/Title
Curtis EK-420, EK-420A
Description
CMOS Electronic Keyer
Category
Keys, Electronic
Made/Created
Manufacturer
Curtis Electro Devices
Date made
1973 - 1974
Valuations
Value
$119.95
General Notes
Note
QST, Mar 1973, p. 168. The EK-420A incorporated measures to eliminate faulty keying due to contact bounce. Its susceptibility to RFI was also reduced. All transistors, ICs, and the keying relay used sockets.
