BAYCOM MODEM

DL8MBT & DG3RBU  April 1990

Parts list:

IC 1		TCM 3105
IC 2		74HC04 or 74HC14 (only HC will do)
IC 3		78L05

T 1,2		BC 548 (or similar)

D 1-4		1N4148 

Q 1		4.43361 MHz

C 1		100 uF 16V 
C 2,3		10 uF 16V
C 4,5		33 pF cer
C 6-9		100 nF

R 1,2,4,12	100 k
R 3,14		2.2 k
R 5		3.3 M
R 7		15 k
R 8		33 k
R 9,10		100
R 13,15		10 k
R 16		22 k
R 6		50 k (trim)
R 11		10 k (trim)



73 de Wes  	OH3NWQ @ OH3RBR.FIN.EU
internet:	oh3nwq@nic.funet.fi