Atec Tektronix-TG700 - Manual (Page 9)

Multiformat Video Generator — TG700
DVG7, Digital Video Generator
Serial Digital Signal Output
Characteristic Description
Test Signals (Preinstalled for all formats) 100%, 75%, and SMPTE
Color Bars, Linearity, Multiburst, Sweep, Monitor, SDI
Pathological, Timing, and other major test signals
Standards ITU-R BT 601, 656, EBU Tech 3267, SMPTE 125M,
244M, 259M, 272M, RP165, RP178
Bit Rate 143 Mb/s, 270 Mb/s
Resolution 8 or 10 bits
Output Connector BNC ×2 or ×4 with Option BK
Output Impedance 75 Ω
Output Amplitude 800 mV
p-p
±10%
Overshoot ≤10%
Rise/Fall Time 0.4 to 1.5 ns (20-80%)
DC Offset (AC couple) 0 ±0.5 V
Jitter ≤0.2 UI, above 10 Hz jitter frequency
Timing Adjustment
Range Anywhere in the frame
Resolution Clock resolution (37 or 70 ns)
Return Loss >15 dB at 5-270 MHz
Embedded Audio Signal
Characteristic Description
Active Channels 1-16 channels
Sample Frequency 48 kHz
Digital Coding 20 or 24 bits
Signal Alignment Async. and Sync. (no frame #), Synchronous (frame #)
Audio Tone Frequency (Hz)
50, 100, 150, 200, 250, 300, 400, 500, 600, 750, 800,
1000, 1200, 1500, 1600, 2000, 2400, 3000, 3200, 4000,
4800, 5000, 6000, 8000, 9600, 10000, 12000, 15000,
16000, 20000
Level –60 to 0 dBFS, 1 dB steps
GPS7, GPS Synchronization and Time Code Module
GPS Receiver
Characteristic Description
Type L1 frequency (1575.42 MHz), C/A Code, 12 channels
Time of Day User-selectable time zone and DST offset adjustment
GPS Antenna Input
Characteristic Description
Connector BNC
Input Impedance 50 Ω, internally terminated
DC Antenna Power
Output Voltage
3.3 V or 5 V at nominal load
Fault Protection Short-circuit/open detection and protection
Return Loss 8 dB at 1575 MHz
Reference Input
Characteristic Description
Input Connector BNC, terminated, shared with BLACK 1 output
Input Impedance 75 Ω
Input Signal NTSC/PAL black burst or HDTV tri-level sync
Amplitude Range Standard –6 dB to +8 dB
S/N Ratio >40 dB
SCH Phase 0 ±40°
Return Loss ≥30 dB at 300 kHz to 10 MHz
Burst Lock / Sync Lock
Stability
±3 dB amplitude change: <1 ns
Jitter with burst lock <0.5°
Jitter with sync lock <1 ns
Genlock
Characteristic Description
Genlock Time Adjustment
Range Anywhere in the color frame
Resolution <0.5° of NTSC/PAL subcarrier
1 ns with tri-level sync input
Color Framing Keeps accuracy even with ±45° SCH error of input
reference input
Time Reference VITC reader for NTSC/PAL black burst input signal
Analog Signal Outputs
Characteristic Description
Output Connector BNC ×3
Output Impedance 75 Ω
Output Formats NTSC/PAL black burst or HDTV tri-level sync, each
output independently selectable. PAL-M and PAL-N are
not supported. Black output 3 can be configured as a
10 MHz continuous wave output
Return Loss ≥30 dB to 30 MHz
Black Burst Output
Characteristic Description
Output Standard EBU N14, SMPTE RP 154, RP318M-B
Time Code Optional VITC insertion
Line One or two lines, user selectable
Source Time-of-day with adjustable offset, or program
(elapsed) time counter
Amplitude Accuracy Std. black burst ±2%
SCH Phase < ±5°
Timing Adjustment Each output is independent
Range Anywhere in the color frame
Resolution Clock resolution 18.5 ns (1/54 μs)
HDTV Tri-level Sync Output
Characteristic Description
Standard SMPTE 240M, 274M, 296M, RP211
Formats 1080i/50 Hz, 59.94 Hz, 60 Hz
1080p/23.98 Hz, 24 Hz, 25 Hz, 29.97 Hz, 30 Hz
1080psF/23.98 Hz, 24 Hz
720p/59.94 Hz, 60 Hz
Amplitude Accuracy Std. HDTV tri-level ±2%
Timing Adjustment Each output is independent
Range Anywhere in the color frame
Resolution Clock resolution 13.5 ns (1/74.25 µs)
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