Vectorscope

Tektronix 1720

Image shown doesn't reflect the condition of the equipment and is for illustrative purpose only.	BCS Price: $389.05 Item #: EQ500837U Condition: USED
Equipment Description: Excellent Condition - Great scope ! 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
Upper	3 dB point, FSC +500 kHz, ±100 kHz
Lower	3 dB point, FSC -500 kHz, ±100 kHz
Vector Phase Accuracy	Within 1.25°
Vector Gain Accuracy	Within 2.5%, typical
Quadrature Phasing	Within 0.5°, typical
Subcarrier Regenerator
Pull-in Range	FSC ±50 Hz
Pull-in Time	Within 1 second
Phase Shift with Subcarrier Frequency	2° ±50Hz
Phase Shift with Burst Amplitude Change	<2° with ±6 dB change from nominal
Phase Shift with Input Channel Change	<0.5°
Phase Control Range	360° continuous rotation
Burst Jitter	<0.5°
Display Differential Phase and Gain	±1° and ±1%
Center Dot Clamp Stability	<0.4 mm spot movement
Synchronization
Internal	Composite video with sync ±6 dB of nominal
External Reference	Composite video or CW subcarrier
XY Mode
Input	Differential, DC coupled
Input Amplitude	2 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 Response	DC to 500 kHz (Dc to 100 kHz high-gain mode)
X and Y Phase Match	Less than a trace with separation at 20 kHz
SCH Mode (1720 SCH and 1721 SCH Only)
Accuracy	Absolute: ±5° phase at 25°C Relative: ±2°
Acquisition Time	Less than 1 second

Additional Information

7985.pdf
tektronix_17201700.pdf

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