Products
ATP620 Teletext Inserter
Technical Specification
- Teletext System World System Teletext, 625 line EBU SPB 492, CCIR Teletext System B
- Video in, Video Out, Monitor Out 1Volt Composite 75W terminated BNC connectors
- Inputs A to D 1Volt Composite BNC loop-through - unterminated
- Inputs E and F 1Volt Composite 75W terminated BNC connectors
- Linear Distortion 2T pulse and bar ratio < ± 0.5%
Tilt < 0.25%K
Chroma/Luma Gain inequality < 1%
Chroma/Luma delay inequality < 10nS - Non-Linear Distortion Differential Phase < 1°
Differential Gain < 1% - Return Loss > 36dB
- Signal/Noise Ratio > 65dB rms ( 0.2 - 5.5 MHz )
- Amplitude 462 mV adjustable ± 20%
- Filter 100% roll off cosine
- Threshold 150mV below black level
- Sync to Text delay 12 µS, front panel adjustable
Downloads
You can download a PDF of this product on the link below. PDF files require the Adobe® Reader®
Modem Operation
To support installations where the inserter may be remote from the control software, the second serial port provides support for modem operation.
The modem hardware control lines are supported by the second serial port and in addition, the software sends an initialisation string to set a connected modem into the correct state.
In order to ensure that the modem will always be ready to respond to incoming calls, the inserter can be reset and reinitialise the modem on a regular basis.
