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| === Power Supply Requirements === | | === Power Supply Requirements === |
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− | We require the following voltages on the boards: ~72V for biasing, 5.75V for VCC, +5V. Therefore, a power supply with 100V, 10V, and 5V channels, or 100V, and 2x 10V channels, is required. | + | We require the following voltages on the boards: |
| + | # +100V (range 80V - 100V) for biasing |
| + | #*1V steps from 80V - 100V |
| + | #*typical operation at 85V |
| + | #*maximum current demand 500mA (50W power) |
| + | #*maximum ripple P-P 50mV @ f < 1kHz |
| + | #*maximum noise P-P 5mV @ 1kHz < f < 5MHz |
| + | #*maximum HF noise P-P 20mV @ f > 5MHz |
| + | #*long-term variation < ±50mV (0.05%) |
| + | # +6V (range 5.5V - 6.0V) for preamplifier VCC; |
| + | #*0.01V steps from 5.5V to 6.0V |
| + | #*typical operation at 5.75V |
| + | #*maximum current 8A (50W power) |
| + | #*maximum ripple P-P 50mV @ f < 1kHz |
| + | #*maximum noise P-P 5mV @ 1kHz < f < 5MHz |
| + | #*maximum HF noise P-P 20mV @ f > 5MHz |
| + | #*long-term variation < ±50 mV |
| + | # +5V for cmos logic VCC |
| + | #*fixed 4.95V - 5.05V, no adjustment required |
| + | #* |
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− | The programming resolution for each channel should be:
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− | *100V: 0.001V where a typical voltage is 71.770V.
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− | *10V: 0.01V where a typical voltage is 5.75V.
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− | *5V/10V: 0.01 where a typical voltage is 5.00V.
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| The accuracy for each of these channels should be 0.02% | | The accuracy for each of these channels should be 0.02% |