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Operating Manual
Specifications
4 — Specifications
This section contains the electrical, physical, and environmental specifications for the 5401 and 5402 Disciplined Rubidium Oscillator.
Input Specifications and Characteristics
Table 4 Input Specifications and Characteristics
5401 DC Power Input (J15) Type | MS27499E10B5P | |
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Connector Pin Assignments: |
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Pin | Function | |
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A | Rubidium Lock Status | |
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B | Chassis Ground | |
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C | Not Used | |
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D | +28 VDC (+18 to +36 VDC) (Approximately 2.5 amps at | |
| initial | |
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E | Power Return | |
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5401 Fuse | 10 amp fast blow, 3 AG | |
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5402 AC Power Input (J1) Type | IEC connector | |
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Using the standard power supply: |
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Input Voltage | 5401: DC = +18 V to 36 VDC, | |
| < 80 W (warmup) | |
| < 40 W | |
| 5402: AC = 90 to 240 VAC | |
| < 80 W (warmup) | |
| < 40 W | |
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5402 Fuse | 3 amp fast blow, Microfuse | |
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DRO 1 PPS Input Type | 5401: Isolated SMA (J13) | |
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5402: Isolated BNC (J2) | ||
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The 1 PPS input accepts a signal with the following characteristics: | ||
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Level | TTL or +10 VDC ±1 VDC, selectable via | |
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Rise Time | < 20 nanoseconds (10% to 90%) | |
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Fall Time | < 1 microsecond (90% to 10%) | |
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Pulse Width | 20 nanoseconds to 100 microseconds | |
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Input Impedance | 50 | |
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PN | 26 |