A-A-50760
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b. RF output level accuracy |
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(1) Output level range: |
+20 dBm to -10 dBm |
-10 dBm to -50 dBm |
-50 dBm to 146 dBm |
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(2) Total inaccuracy as indicated on output meter and step attenuator (including flatness, calib. Inaccuracy, attenuator inaccuracy, meter linearily, detector response, etc.) |
Up to 125 MHz ±1.0 dB |
Up to 125 MHz ±1.5 dB |
Up to 125 MHz ±2.2 dB |
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Up to 512 MHz ±1.2 dB |
Up to 512 MHz ±1.8 dB |
Up to 512 MHz ±2.5 dB |
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c. Auxiliary accuracy specification |
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Attenuator accuracy |
10.15 dB/10 dB cumulative. Up to ± 1.5 dB max. |
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RF level flatness |
Up to 125 MHz: ±0.25 dB Up to 512 MHz: ±0.5 dB |
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Meter linearity |
±2% of full scale |
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Output impedance |
50Ω nominal |
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d. Output DSWR |
<1.25 @ ≤0 dBm. <1.5 @0 dBm |
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e. Output connector |
Type N female |
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4. Modulator characteristics
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a. Internal AM |
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Frequency |
1 kHz screwdriver adjustable ±2% (rear panel). |
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Range |
Zero to 100% indicated on AM meter calibrated in % modulation. |
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Accuracy of indicated AM |
±8% of reading (20% - 100%) over top 3 dB of vernier range. ±16% of reading (20% - 100%) over remaining 7 dB of vernier range. |
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Incidental FM – Up to 125 MHz: (30% AM) |
<150 Hz peak |
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Up to 512 MHz: |
<300 Hz peak |
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AM distortion: (over top 3 dB of vernier range) |
<5% up to 70% AM fc <250 MHz <3% up to 30% AM fc >250 MHz <10% up to 70% AM fc >250 MHz |
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