Specifications
IRIG A IRIG B IRIG E
A005 (DCLS, YR, CF) B005 (DCLS ,YR, CF) E112 (100 Hz)
A006 (DCLS, YR) B006 (DCLS ,YR) E115 (100 Hz, YR, CF)
A007 (DCLS, YR, SBS) B007 (DCLS ,YR, SBS) E116 (100 Hz, YR)
A130 (10 kHz, CF, SBS) B120 (1 kHz, CF, SBS) E121 (1 kHz, CF)
A131 (10 kHz, CF) B121 (1 kHz, CF) E122 (1 kHz)
A132 (10 kHz) B122 (1 kHz) E125 (1 kHz, YR, CF)
A133 (10 kHz, SBS) B123 (1 kHz, SBS) E126 (1 kHz, YR)
A134 (10 kHz, YR, CF, SBS) B124 (1 kHz, YR, CF, SBS)
A135 (10 kHz, YR, CF) B125 (1kHz, YR, CF)
A136 (10 kHz, YR) B126 (1kHz, YR)
A137 (10 kHz, YR, SBS) B127 (1kHz, YR, SBS)
B 1344 AM
B 1344 DCLS
IRIG G Legacy TrueTime NASA 36 XR3/2137
G005 (DCLS, YR, CF) Legacy TrueTime AM NASA 36 AM XR 3 (250 Hz)
G145 (100 kHz, YR, CF) Legacy TrueTime DCLS NASA 36 DCLS 2137 (1 kHz) DCLS
IRIG Control Function Bits
In the following tables, tq1 through tq4 are the time quality bits.
For the time quality bits and the unlock bits, "1" means active.
For IRIG output codes A, B, or E with CF (control functions), the following CF bits are encoded:
IndexBit
countname
----- -----
70 (bit = 0)
71 (bit = 0)
72(bit = 0)
73 unlock (1 = unit is not locked to a reference)
74 (bit = 0)
75 tq1(1 = timing error estimate > 1us)
76 tq2 (1 = timing error estimate > 10us)
77 tq3 (1 = timing error estimate > 100us)
78 tq4 (1 = timing error estimate > 1ms)
For IRIG output code G, the following CF bits are encoded:
Page 120..........................................................................997-01520-02 Rev. F1
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