Symmetricom TM7000 User Manual

APPENDIX A
TRANSLATOR SETUP
Set-up Translator
CODE-AC-dc SLOW CODE
SLOW CODE
CODE FRAME PERIOD (REAL TIME)
Selection is provided by the Select Slow Code Rate menu shown below. This option only
operates at 1:1 (real time) and slower.
SELECT SLOW CODE RATE
Select Slow Code Frame Period (Seconds)
1 5 10 30 60 300 600 1800 3600
1.4 SPECIFICATIONS
SLOW CODE OUTPUT
Format Symmetricom Slow Code.
Level Adjustable 0-5V peak.
Impedance Capable of driving a C-MOS load, a TTL
load or a 1K Resistive load.
Modulation Ratio Nominally 5:2.
ADJUSTMENTS
Level While observing the modulated output (J1) on
an oscilloscope, adjust R4 for the desired level.
Figure 1
Slow Code Output/Level Adjustment
Slow Code
Output
Level
Adjustment
A-42 TM7000 TymMachine TCG/T (Rev D) Symmetricom, Inc.

Symmetricom TM7000 Specifications

General

Brand	Symmetricom
Model	TM7000
Category	Electronic dictionary
Language	English