VSA794 Features
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One button automatic tests of key CATV video measurements
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Easy and accurate FCC required tests with minimum training and capital investment
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Automated measurements of the key CATV baseband measurements including: - Differential Gain and Phase - In-Channel Frequency Response - Chroma to Luma Delay - Percent Modulation - S/N and Hum ....all combined in one live channel!
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Complete testing capability without interference to your system operation |
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Direct digital readout of all key parameters without complex calculations or interpretation to insure accurate measurements |
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Full manual waveform and vector measurement capabilities provide maximum usability in testing and troubleshooting |
VSA794 Condensed Specifications
Composite Input - Input Impedance: >15k Ohms, 25 Hz to 5 MHz, power on or off. Feedthrough Terminator: 75 Ohms > 40 dB return loss 25 Hz to 5 MHz, power on or off. Line Select - Lines Off or line 8 through 21. Fields Odd or Even field selectable.
Digital Waveform Measurements - Display Units: IRE, mV, V. Display Range: 0-280 IRE, 0-999 mV, 1.00-2.00 V. Resolution: 1 IRE, 1 mV, .01V. Accuracy: ± 1%, ± 2 counts at 50 kHz.
Frequency Response - Display Range: 0-20 dB. Resolution: .1 dB. Accuracy: ± .4 dB.
Percent Modulation - Display Range: 50-100%. Resolution: .1%. Accuracy: ± 2 %.
Hum Ð Display Range: 0-15%. Resolution: 0.1%. Accuracy: ± 5 counts or .5%.
Video S/N - Display Range: 30-56 dB, with Ref. 1V input. Resolution: 1 dB. Accuracy:<2 db.
Differential Gain - Display Range: 0-40%. Resolution: 1%. Accuracy: ± 2 %.
Differential Phase - Display Range: ± 15 Degrees. Resolution: .1 Degrees. Accuracy: ± 1.5 Degrees.
Chroma/Luma Delay - Display Range: ± 20-300 nSec. Resolution: 1 nSec. Accuracy: ± 10 nSec.
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