TV Pattern Generator

TPG - 30

TV Pattern Generator is a mains operated product of the latest integrated circuit technology specially designed for use  both in laboratories as well as spot servicing of TV sets. Precision oscillator, binary count down circuits and  high reliability IC’s are used produce extremely accurate and stable patterns as well as  signals for sync. and blanking. The RF output signal (VHF/UHF) is modulated with selected composite video signals and in available for direct connection to the video monitors.  It also incorporated  in it the facility for testing sound stages of a TV receiver.
Cross board       :   For checking frame geometry in vertical and horizontal direction and dynamic convergence.        
Cross hatch & Dot       :   for adjustments and checking the dynamic and static  convergence and focusing.
Vertical lines
Horizontal line
Corner markers       :   Cross hatch window at lower left of pattern for testing polarity deflection yoke.
White raster         :   For setting max. beam current and White balance.
Line frequency     :   15.625Hz
Image frequency   : 50Hz 

Socket                 :   RC (on front panel)
Output signal         :   composite video
Amplitude             :   1 V  p-p 
Impedance             :   75 ohms

Frequency             :   5.5 MHz
Accuracy deviation     :   5 KHz approx.

VHF low/high TV band   :   47MHz - 64 MHz & 174MHz-225 MHz
UHF  TV band           :   UHF channel 21 to 35 
Output                 :   10mV approx. (RF socket on front panel)
Impedance             :   75 ohms (unbalanced)
Sound                 :   Freq. modulated carrier 5.5MHz with 1KHz modulation ON/OFF
Ext. Audio           :   Provision for modulating ext. audio signal
Power supply           :   220V ± 10% at 50Hz, approx. 2VA
Accessories supplied   :   Operating Manual, Connecting leads for video and RF signal



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