S51KQ Hardware & Software

Page updated 2004 Avgust 27.

TELETEXT devices

Specifications and designs are subject to change without notice.

TTX800 - OBW teletext coder

iTc Line Definitions

Line	Description	Line	Description
6	Not Used	318-319
7-9	Commercial Teletext Licence	320-322	Commercial Licence
10-17	Public Teletext Service Licence	323-329	Public Teletext Service Licence
18	Programme Related Teletext	330-331	Programme Related Teletext
19-20	Television Test Signals	332-333	Television Test Signals
21	Schedule Information (Internal Use)	334	Schedule Information (Internal Use)
22	Quiet Line	335	Programme Subtitles
23	First Line of Field 1 Television Picture	336	First Line of Field 1 Television Picture

Vertical Interval Test Signals

Test signals inserted in the lines of the vertical blanking interval, defined by the TV standard, e. g. for the 625 standard the CCIR together with the EBU issued the formal specifications for the signals inserted in lines 17, 18, 330 and 331.

User manual 3.4MB PDF Slovene language

TELETEXT crosscompiler TTXcross v1.0

This tiny toll will convert teletext visual data used on S51KQ CGENxx/ATVRC/TTX & DG9MHZ VTencoder (*.ATV) in to *.TT files used on OBW teletext encoder, and back. To compile *.ATV files in to *.TT file run compiler, select Page&Sub numbers for output file, open source ATV file, select name & destination of output TT file and press OK. All additional page data adjust manualy in OBW's TT editor. To compile *.TT file in to *.ATV file: run compiler, open source TT file, select name & destination of output ATV file and press OK. All additional page data including page/sub number adjust manualy in DG9MHZ's VTeditor.TTXcross package runs under Win3.1x/95/98/ME/2000.

- version date: 2001-Oct-26

- freeware for noncomercial use

- usable with: S51KQ CGENx boards, ATVRC sytem, TTX,

DG9MHZ VTedit, VTencoder,

TTXcross disk 1/1 (142kB)

TTX decoder - teletext decoder
Under development

Functions on TTX-decoder keyboard:

TTX decoder v1.00	DOWN	UP	FUNCTION	MEMORY
Power ON cmd :	-	-	Total INIT	-

Project	Description	Schematics & pict.	PCB & Assy files Available on CD only	On_board Software	DSP3MV Software	PC Software	Note
TTX 800	Standalone 800 page Teletext coder				-	TTXcross
TTX decoder					-

This page is maintained by: Mijo Kovacevic, S51KQ

Slovenian ATV & Repeater Manager

P.O.Box 11, SI-3212 VOJNIK

http://lea.hamradio.si/~s51kq