GPS Receiver |
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 |
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 |
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 |
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 |
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 |
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 |
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) |
LTC Input |
LTC Input |
LTC1 can be configured as an input or an output |
Formats |
23.98, 24, 25, 30 fps drop-frame as per SMPTE 12M |
Timing to Video |
Compliant with SMPTE 12M and continues to operate over at least 90% of possible timing range |
Signal Voltage Range |
0.5 to 10 Vp-p differential, 1 to 5 Vp-p single ended |
Noise Tolerance |
–30 dB SNR RMS white noise with 10 kHz BW to the p-p signal level, or –10 dB SNR for 5 MHz white noise |
Hum Tolerance |
0 dB hum-to-signal ratio |
Error Immunity |
100 consecutive frames with consistent time code must be detected for time to be considered valid |
Input Impedance |
Nominal 600 Ω differential, 300 Ω single ended |
LTC Output |
Outputs |
4 independent |
Connector |
Available through D-sub 15-pin connector. Optional break-out cable to XLR connectors available |
Formats |
24 fps (24 Hz or 23.98 Hz), 25 fps, 30 fps, 30 fps drop-frame as per SMPTE 12M |
Source |
Time-of-day with adjustable offset, or program (elapsed) time counter |
Output Amplitude |
5 V ±10%
Adjustable from 0.5 V to 5 V in 0.5 V steps |
Network Time Protocol |
Mode |
Server only, using Ethernet interface on the TG700 mainframe |
Standard |
SNTPv3 for IPv4, per RFC 2030 |
General Purpose Interface |
Connector |
Available through D-sub 15-pin connector. Optional break-out cable to BNC connectors available |
Outputs |
Two, user-selectable to assert when GPS synchronization is lost, GPS signal falls below threshold, or elapsed time value reaches set value. In Genlock mode, user-selectable to assert on loss-of-lock or near loss-of-lock |
Output Level |
0.5-5 V |
Input |
One, user-selectable to signal GPS reacquisition or restart timer |
Input Level |
0.8-2.4 V |