MC740-430E Datasheet, PDF (12/15 Pages) List of Unclassifed Manufacturers – 47-Gb/s 4:1 Multiplexer

NEL
MC740-430E
Step 2 Clock delay for DFF
If the CLK10 delay is not optimum, the monitor output will be similar to Fig. 8(a).
Adjust the clock delay for DFF by using “φshifter” dial with monitoring the DFF
output signals.
/DATA
300 mV/div
DATA
300 mV/div
(a) with an unsuitable delay
10 ps/div
/DATA
300 mV/div
DATA
300 mV/div
10 ps/div
(b) after delay adjustment at ”φshifter”
Fig. 8. DFF output waveforms.
Turn-off procedure
Turn-off sequence is shown in Table. 2.
Table 2 Turn-off sequence
Turn-off sequence
Procedure
Step 1
RF inputs off.
Step 2
Step 3
Step 4
Front switch off.
Main switch (rear panel) off.
DC -6 V off.
- 12 -