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Tektronix 1720

Image shown doesn't reflect the condition of the equipment and is for illustrative purpose only.

BCS Price: $389.05
Item #:EQ512956U
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Equipment Description:
Excellent Condition - Great scope for archiving !

Model Description:
Vectorscope, NTSC

Model Details

The Tektronix 1720 Series Vectorscopes provide comprehensive television signal monitoring for NTSC applications. These versatile instruments are light weight, half-rack width and have bright CRTs for video signal monitoring. The instruments exceed normal monitoring capabilities, and their unique features make them even more powerful when operated in tandem with other Tektronix test equipment. Each monitor has its own advanced feature set and the proven 1700 Series family performance to provide more monitor for the money. These monitors do the job faster, better and easier at an economical price.

Performance and Economy
Full Frame Line Select
Simultaneous Channel A & B Display
Dual Filter Display
One-Button Front Panel Recall
RGB/YRGB Display Capability
Parallax-free Internal Graticules
Differential Phase and Gain Measurement
Stereo Audio Phase Measurement
Vector Center Dot Clamping
Remote Control Capability
Available in NTSC and PAL Standards as Well as Dual Standard
White Phosphor Available

Additional Detailed Information:

Signal Input (Video and External Reference)
Return Loss>40 dB, 50 kHz to 6 MHz, power on or off
Maximum Input±5 V DC + peak AC
Loop-through Isolation>70 dB at FSC
Channel Isolation>70 dB at FSC
Impedance>15 kW
Chrominance Bandwidth
Upper3 dB point, FSC +500 kHz, ±100 kHz
Lower3 dB point, FSC -500 kHz, ±100 kHz
Vector Phase AccuracyWithin 1.25°
Vector Gain AccuracyWithin 2.5%, typical
Quadrature PhasingWithin 0.5°, typical
Subcarrier Regenerator
Pull-in RangeFSC ±50 Hz
Pull-in TimeWithin 1 second
Phase Shift with Subcarrier Frequency2° ±50Hz
Phase Shift with Burst Amplitude Change<2° with ±6 dB change from nominal
Phase Shift with Input Channel Change<0.5°
Phase Control Range360° continuous rotation
Burst Jitter<0.5°
Display Differential Phase and Gain±1° and ±1%
Center Dot Clamp Stability<0.4 mm spot movement
InternalComposite video with sync ±6 dB of nominal
External ReferenceComposite video or CW subcarrier
XY Mode 
InputDifferential, DC coupled
Input Amplitude2 to 9 V p-p, adjustable full scale deflection 0 dBm for 600W system, factory set to 0 dBm
Maximum Input±15 V peak signal + DC
Frequency ResponseDC to 500 kHz (Dc to 100 kHz high-gain mode)
X and Y Phase MatchLess than a trace with separation at 20 kHz
SCH Mode (1720 SCH and 1721 SCH Only)
AccuracyAbsolute: ±5° phase at 25°C
Relative: ±2°
Acquisition TimeLess than 1 second

Additional Information


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