Zonge GDP-32 - Page 339

GDP-32
II
INSTRUCTION MANUAL
May 2002 Section 16, Page 16
Figure 16.6 (b) - Calibration and Timing Board, BD244
J2 -
Calibration Signal
J3 -
Timing Signals
4.98 MHz Input
Frequency
J6 -
4.98 MHz Output
Frequency to
Tx I/O Connector
U2 - ASIC
Real Time Clock
U1 - ASIC Serial No.
Address Decode
J5 -
Sensor Board
Connector
Crystal
Power
U15/U4 -
Calibration
Signal D/A
(two types
possible)