ELECRAFT K2 - Page 141

LOW-PASS
FILTERS
POWER
AMP
(10W)
BAND-
PASS
FILTERS
T-R
CRYSTAL
FILTERS
Appendix C BLOCK DIAGRAM
W. Burdick/E. Swartz Rev. C 6-13-99
ATTEN.
AND
PREAMP
RCV
MIXER
POST-
MIXER
AMP
BUFFER
DRIVER
XMIT
MIXER
I.F. AMP
T-RT-R
NOISE
BLANKER
AGC
BAL.
MOD.
VCO
T-R
T-R
BFO
PROD.
DETECTOR
Common Transmit Receive
KEY
PLL
SYNTH.
AF AMP
MCU AND
SUPPORT
CIRCUITS
DISPLAY
AND CONTROLS
4.915MHz
4.915MHz
6 - 24MHz
Shaft Encoder