Tektronix 1760 NTSC Waveform/Vector Monitor

Tektronix 1760 NTSC Waveform/Vector Monitor
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Tektronix Test Equipment 1760
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The Tektonix 1760 NTSC Waveform/Vector Monitor is used for Analog Baseband Video Monitoring for Broadcast and Post Production Applications. The 1760 series is an analog video waveform/vector monitor with progressive features in support of today's demanding television environment. The Tektronix  1760 provides improved video performance and ease of operation and incorporates application specific features. 
 

Features & Benefits:

  • Composite or Component Waveform Monitoring
  • Composite Vector Display
  • Picture Display
  • Stereo Audio Display
  • Time Code Phasing and Amplitude
  • SCH and Color Framing Display
  • Component Vector, Lightning, Diamond and Bowtie

Specifications:

Waveform Vertical Deflection

Deflection Factor - 1.0 V (0.2 V x5 gain, 0.1 V x10 gain) input displayed within 1% of 140 IRE (1.00 V) graticule.
Overscan - <7 mV variation in base line of chroma when positioned anywhere between sync tip and 100% white.
Variable Gain Range - 0.2x to 1.4x.
DC Offset Between Channels - <1 IRE (7 mV).
Maximum Operating Signal Input Voltage - -1.8 V to +2.2 V, DC + peak AC.
Absolute Maximum Input Voltage - -8.5 V to +8.5 V, DC + peak AC.
Signal Input Impedance - ≥20 kilΩ.
75 Ω Loopthrough Return Loss - ≥40 dB to 6 MHz.
Frequency Response -
Flat: Within ± 2% to 10 MHz (x1 Gain).
Luminance filter gain of flat response: Within 1% at 50 kHz, <3 dB attenuation at 1 MHz, ≥34 dB attenuation at Fsc.
Chrominance filter, Bandwidth 1.5 MHz ± 0.3 MHz: Gain within 1% of flat response at Fsc, attenuation >25 dB at 2 x Fsc.
Differentiated step filter: >40 dB attenuation at Fsc.
Transient Response - Preshoot, overshoot, ringing, field rate tilt, line rate tilt, differential gain: 1% or better.Pulse-to-bar Ratio: 0.99:1 to 1.01:1.
Pix Out -
Gain unity: ±3%.
Frequency response: ±3% to 6 MHz when terminated in 75 Ω.
Differential gain: ≤1%.
Differential phase: ≤1°.
Return Loss - >30 dB to 6 MHz.
DC Restorer - Slow ≤10%, fast ≥95% attenuation at 50 Hz and 60 Hz.
Offset error: <1 IRE (7 mV).
Fast settling time: ≤6 video lines.
Blanking shift with 10% to 90% APL change: ≤1 IRE (7 mV).
Blanking shift with presence or absence of burst: ≤1 IRE (7 mV).
 

Waveform Horizontal Deflection

Sweep - Synchronization triggered by Horiz and Vert sync pulses. Freeruns without input.
Timing Accuracy 1 Line, 5 μs/div - ±1%.
2 Line, 10 μs/div - ±1%.
Linearity 1 or 2 Line - ±1%.
Magnified Sweep Accuracy - 1 line x25.
0.2 μS/div - ±1%; 2 line x10.
1.0 μS/div - ±1%.
Magnified Sweep Linearity, 1 or 2 Line Magnified - ±1%. Horizontal position range, any portion of the synchronized sweep can be positioned on screen in any sweep mode.
External Horizontal 0.5 V/div - ±2%.
RGB/YRGB - Staircase input amplitude 12 Vp-p maximum, DC + peak AC not to exceed -12 V or +12 V, 10 V = 9 div ± 1 div display. Field or line rate front panel selectable.
 

Cursor Signals

Waveform Mode Accuracy -
Voltage: ±0.5%.
Timing: ±0.5% for line rate sweeps.
Vector Mode Accuracy -
Amplitude: ±0.5 IRE (0.5%).
Phase: ±0.5°.
 

Calibrator Signals

Waveform Squarewave -
Amplitude: 1.0 V ±0.5%.
Frequency: 100 kHz ±0.1%.
Waveform Sinewave -
Amplitude: 1.0 V ±0.5%.
Frequency: Nominal subcarrier for standard in use.
 

Vector Mode

Input Requirements - 1 Vp-p ±6 dB composite video signal or black burst.
Chrominance Bandwidth - 1 MHz ±200 kHz.
Display - Phase accuracy within 1.25°. Gain accuracy within 2.5%. Quadrature phasing within 0.5°.
Subcarrier Regenerator -
Pull-in range: NTSC: ±50 Hz. PAL: ±10 Hz.
Pull-in time: ≤2 S.
Phase shift with ±50 Hz NTSC or ±10 Hz PAL Fsc change: ≤2°.
Phase shift with ±6 dB burst amplitude change: ≤2°.
Phase shift with video input change: ≤1°.
Phase shift with variable gain +3 dB to -6 dB: ≤0.5°.
Burst jitter: ≤0.5° RMS.
Clamp stability: ≤1/64 inch (0.4mm).
Phase control range: 360° continuous rotation.
Differential gain: ≤1%.
Differential phase: ≤1°.
 

Component Vector Mode

Vertical Bandwidth - -3 dB at ≥1.0 MHz.
Horizontal-to-vertical Bandwidth Matching - No eye opening at 500 kHz or 2 MHz.
Display-to-graticule Registration - ≤0.25 box.
 

Component Lightning Mode

Y - Displayed vertically.
P'b - Displayed horizontally on top half of display.
P'r - Displayed horizontally on bottom half of display.
 

Component Diamond Mode

B+G - Displayed vertically vs. B-G horizontally on top half of display.
-(R+G) - Displayed vertically vs. R-G horizontally on bottom half of display.
 

Component Bowtie Mode

Common Mode Rejection Ratio - ≥34 dB at 3 MHz.
Y - P'b (CH1 - CH2) - Displayed on left half of display.
Y - P'r (CH1 - CH3) - Displayed on right half of display.
 

Component Transcoded GBR Outputs

Input Format - GBR, SMPTE, MII or Betacam, menu selected.
GBR Output Impedance - Nominally 75 Ω.
DC Level - Back porch clamped to 0 V.
Gain Accuracy - Unity ±3%.
 

Audio Mode

Full Scale - 0, 4, 8 and 12 dBm, menu selectable.
Full Scale Accuracy - ±0.5 dB at 1 kHz.
Maximum Input Voltage - ±8 Vp-p.
Bandwidth - -3 dB, 200 kHz.
X&Y Input Phase Matching - <1 degree at 20 kHz.
Input Impedance - 20 kilΩ nominal
 

Time Code Mode

Input - Longitudinal timecode, differential.
Full Scale - 0, 4, 8, and 12 dBm, menu selectable.
Maximum Input Voltage - ±8 Vp-p.
Input Impedance - >20 kilΩ.
 

CRT Display

CRT Viewing Area - 80 mm x 100 mm.
Accelerating Potential - Nominally 13.75 kV.
Trace Rotation Range - >1° from horizontal.
Graticule - Internal with variable illumination.
 

Power Source

Mains Voltage Range - 90 to 250 VAC.
Mains Frequency Range - 50 or 60 Hz.
Power Consumption - 110 VA maximum.