C.6 Option 06: Parallel BCD Output (1 millisecond Resolution)
115
C.6.3
Specifications
General
Output Connector:
50 contact; Amphenol P/N 850-57L-40500-2700 or equiva-
lent.
Mating Connectors:
Plastic:
Amphenol P/N 850-57F-30500-20
Metal Shell:
Amphenol P/N 850-57FE-30500-20
Parallel BCD Output
Data Bus Width:
42 bits. For weighting, refer to Table 1.
Output Type:
High-Speed CMOS, buffered, (74HCXXX), 0 to 5 volts.
Time Data Format:
UTC or Local time data; corresponds to setting for IRIG
time data (see 1084A/B/C Operation Manual).
Time Accuracy:
Rising edge delay of 100 nS maximum (1 mS bit), relative to
1 PPS output rising edge.
Analog Outputs
Output Type:
Operational amplifier (LF353) output, with 562 ohm series
resistor.
Pin Numbers:
Output 1: pin 22
Output 2: pin 47
IRIG-B, Modulated:
IRIG format B time code, modulated onto 1 kHz 10 Vpp sine
wave carrier.
Deviation:
Model 1088B Only;
±
5 volts analog, corresponding to 1 PPS
deviation channel A or B.
Summary of Contents for 1084A
Page 4: ...iv ...
Page 6: ...vi ...
Page 18: ...xviii LIST OF FIGURES ...
Page 24: ...4 Unpacking the Clock ...
Page 36: ...16 Connecting Inlet Power Input and Output Signals ...
Page 44: ...24 GPS Antenna and Cable Information ...
Page 114: ...94 Startup and Basic Operation ...
Page 123: ...B 4 Physical Dimensions 103 Figure B 1 Suggested Mounting of the AS0094500 Surge Arrester ...
Page 124: ...104 Using Surge Arresters ...
Page 134: ...114 Options List C 6 2 Option 06 Firmware Setup Figure C 3 Option 06 Firmware Setup ...
Page 142: ...122 Options List Figure C 5 Option 06 Output Jumper Settings ...
Page 158: ...138 Options List Figure C 13 Option 17 Board Layout and Jumper Locations ...
Page 163: ...C 13 Option 20A Four Fiber Optic Outputs 143 Figure C 14 Option 20A Jumper Locations ...
Page 170: ...150 Options List Figure C 16 Option 23 Internal Jumper Setup ...
Page 172: ...152 Options List Figure C 17 Option 27 Jumper Locations ...
Page 190: ...170 Options List Figure C 20 Option 29 Connector Signal Locations ...
Page 246: ...226 Options List ...