APPENDIX A
TM Option 14 Serial Encoder Assembly 19393
1.0 INTRODUCTION
This assembly is used to serially encode the time value contained within the TymMachine 7000.
The time code format is determined by the location of various jumpers and selection of components
during manufacture. The unique configuration is defined by a dash number in accordance with the
following table.
Assembly Code Generated
19393-1 IRIG A
19393-2 IRIG B
19393-3 IRIG E (100 Hz)
19393-4 IRIG E (1 kHz)
19393-5 IRIG H (100 Hz)
19393-6 IRIG H (1 kHz)
19393-7 IRIG G
19393-8 XR3 (250 Hz)
19393-9 2137 (1 kHz)
19393-10 NASA 36
19393-11 1892
19393-12 NASA 28
19393-13 IRIG C (100 Hz)
1.1 INSTALLATION
This assembly may be plugged into any available option position. Remove power from the
TM7000. Plug this assembly into the PTS, being careful that components are on the top side.
Interconnect the modulated output (J1) and
DC LEVEL SHIFT output (J2) as desired. Apply power.
1.2 OPERATION
There are no operator controls for this option.
1.3 SPECIFICATIONS
J1 Modulated Output
Level: Adjustable 0-5 V p-p
Impedance: Capable of driving a 50 ohm load
Modulation Ratio: Adjustable, nominally 3:1
A-28 TM7000 TymMachine TCG/T (Rev D) Symmetricom, Inc.
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