On Mar 4, 2005, at 1:20 AM, Eric Swartz WA6HHQ - Elecraft wrote:
OP1 is the KSB2's SSB fixed b/w filter, which has been optimized for
minimum ripple at one SSB b/w. In SSB it is always used for transmit,
but it or any of the CW filter bandwidths can be used for receive.
Here's an interesting question -- what are OP2-5 for? I spent a while
studying the schematic trying to figure out if these selections also
activated some other I/O lines in the KSB2 controller. None that I
could find.
Bill Coleman, AA4LR, PP-ASEL Mail: [EMAIL PROTECTED]
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901
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