Description
The LM1391 integrated circuit has been designed primarily for use in the horizontal section of TV receivers but may find use in other low frequency signal processing applications It includes a stable VCO linear pulse phase detector and variable duty cycle output driver
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Features
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Internal active regulator for improved supply rejection Uncommitted collector of output transistor
Output transistor with low saturation and high voltage swing APC of the oscillator with a synchronizing signal DC controlled output duty cycle g 300 Hz typical pull-in Linear balanced phase detector Low thermal frequency drift Small static phase error Adjustable DC loop gain
Schematic Diagram
TL H 7889.
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( ) Pin 4 Base of Q16 (LM1391) for use with ( a ) flyback pulse
C199.
LM1391 Datasheet
