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优质供应
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SPECIFICATIONS | ||||
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Frequency | Range: | 1.000 000 0 MHz to 499.999 999 9 MHz | ||
| Resolution: | 0.1 Hz to 100 KHz, optional in decades | ||
| Accuracy: | same as frequency standard | ||
| Control: | manual by 10-position dial; | ||
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| remote by TTL-level parallel entry BCD or GPIB (optional) | ||
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Switching Time |
| (to within 0.1 radian at new frequency) | ||
| 100 MHz - 10 MHz digit: | 20 μseconds | ||
| 1 MHz - 0.1 Hz digit: | 5 μseconds | ||
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Output | Level: | +3 to +13 dBm (1V max, 50 W ), metered in dBm and volts (rms) | ||
| Flatness: | ± 0.5 dB | ||
| Impedance: | 50 W | ||
| Control: | manual by front panel control; remote by analog voltage | ||
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Spurious |
| (at full power output, +13 dBm) | ||
Outputs | Discrete: | -70 dBc (-55 dBc, 1/2 & 3/2 fout above 250 MHz) | ||
| Harmonics: | -30 dBc at full output (-40 dBc at lower level) | ||
| Phase Noise: | -63 dBc (0.5 Hz to 15 KHz) including effects of internal standard | ||
| £ (1Hz): | 100 Hz/ -100 dBc, 1 KHz/ -110 dBc, 10 KHz/ -120 dBc, 100 KHz/ -125 dBc | ||
| Noise Floor: | - 135 dBc/Hz | ||
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Frequency | Internal: | OCXO | or | TCXO |
Standard |
| 3x10-9/day | 1x10-8/day | |
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| ± 1x10-8/0-50° C | ±1x10-6/0-50° C | |
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| 1x10-6/year | 2x10-6/year | |
| External Drive: | 10 MHz, 0.4 Vrms into 300 W ; 5 MHz, 0.5 Vrms into 300 W | ||
| Aux. Output: | 10.000 MHz, 0.4 Vrms into 50 W | ||
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| (Note: internal or external standard required for operation) | ||
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General | Operating Ambient: | 0 - 55° C, 95% R.H. | ||
| Power: | 105 - 125V, 50 - 400 Hz, 50W (100, 220, 240V optional) | ||
| Dimensions: | 19 x 5.25 x 18 inches (relay rack or bench cabinet) | ||
| Weight: | 35 lbs. | ||
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For units equipped with a DDS-TLU option, specifications are modified as follows: | ||||
DDS Option: |
| H | K | |
Phase-Continuous |
| 100 KHz thru 0.1 Hz digits | 10 KHz thru 0.1 Hz digits | |
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Frequency | Resolution: | 0.1 Hz (0.2 Hz, 250-500MHz) | 0.1 Hz | |
| Optional Phase Rotation: | 0 - 360° in .36° steps | N/A | |
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Switching Time |
| (within phase-continuous range) < 1 μs transient, 2 μs delay | ||
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Spurious Discrete: | -60 dBc | -70 dBc | ||
Outputs Phase Noise: | -63 dBc | -63 dBc | ||
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