Tektronix VM700A / 01 / 11 or 30
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The Tektronix VM700A is a complete video monitoring and measuring
instrument which can be used for automatic measurements and monitoring, as well as for manual measurements.
The user can select a display of numeric values to confirm the quality of the signal path, or may select graphic
displays for more detailed analysis.
AUTOMATIC VIDEO MEASUREMENT SET
The VM 700A Auto Mode makes standard video measurements automatically, including those specified in RS-250B/EIA-250C,
NTC-7, and RS-170A. These measurements can be compared with user-defined limits. A caution or alarm message
is generated when these limits are violated. Reports can be made and printed automatically at operator scheduled
times.
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GRAPHIC DISPLAYS OF MEASUREMENTS
Measure Mode provides graphic displays of measurements such as noise
spectrum, group delay, and K factor, for adjustments or closer analysis of the measurement. Most measurements
can be made relative to a stored reference to eliminate or minimize signal source errors. Most measurements
have averaging to reduce the effect of noise. A channel difference mode (A-B, A-C, and 8-C) is also provided
and is useful in input to output analysis of a device. VITS ID provides a quick reference of vertical interval
test signal locations.
USER-PROGRAMMABLE FUNCTIONS
The user can define a sequence of operations as a new function. For
example, the measurements to be made on a transmitter demodulator video output could be identified with a function
labeled DEMOD. A user would simply select this function to make all measumments, and provide a printout. The
VM700A stores user defined functions as editable ASCII files.
Tektronix VM700A / 01 / 11 or 30 Features
- Digital waveform monitor, Digital vectorscope
- Group delay and frequency response & Noise measurement set
- Unattended monitoring of NTSC or PAL video signals from studios, STLs, earth stations, and transmitters
- Measure frequency response, distortion, phase, crosstalk, and other important audio parameters
- Remote control operation
- Three input channels
- Available : Opt 01 : NTSC Measurements Opt 11 : PAL Measurements
- Available : Opt 01 : NTSC Measurements Opt 30 : Component Measurements
Ask for Tektronix VM700A detailed specification.
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