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TDA1675A PDF

TDAA Vertical Deflection Circuit. SYNCHRONISATION CIRCUIT ESD PROTECTED PRECISION OSCILLATOR AND RAMP GENERATOR POWER. View from ELEC 1 at Perm State University. TDAA VERTICAL DEFLECTION CIRCUIT SYNCHRONISATION CIRCUIT ESD. Find great deals for TDAA Vertical Deflection Circuit Original SGS. Shop with confidence on eBay!.

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This publication supersedes and replaces all information previously supplied. During the trace time the supply voltage is obtained from the main supply tda165a VS by a diode, while during the retrace time this pin is supplied from the flyback generator. The Sync input pulse at the Sync gate lowers the level of the upper threshold and than it controls the period duration.

Pin 4 is the inverting input of the amplifier used tdda1675a integrator. Power amplifier T his amplifier is a voltage-to-current power converter, the transconductance of which is externally defined by means of a negative current feedback.

The flyback generator supplies the yoke too. Between the heatsink and the package, it is better to insert a layer of silicon grease, to optimize the thermal contact; no electrical isolation is needed between the two surfaces. If the flyback pulse is absent short cirucit or open cirucit of the yokethe blanking output remains high so allowing the CRT protection.

TDA1675A Vertical Deflection Circuit Original SGS

EPS 8 spring tda1675x being sufficient. It is a full performance and very efficient vertical deflection circuit intended for direct drive of the yoke of o colour TV picture tubes. VS 1 25 Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips.

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I9 I14 V1 Figure 1: At this pin the non-inverting input reference voltage supplied by the voltage regulator can be measured. Pin 7 The resistance between pin 7 and ground defines the current mirror current and than the height of the scanning. TBL Dimensions Information furnished is believed to be accurate and reliable. A clock pulse is generated. The internal clock turns off the lower power output stage to start the flyback.

Pin 14 is the main supply voltage input VS positive. C 0 0 50 A When the current across the yoke changes its direction, the output of the flyback generator falls down to the main supply voltage and it is stopped by means of the saturated output darlington at a high level. The value shown is indicative only.

EPS 5 10 V1 12 9 12 5 A The supply of the power output stage is forced at this pin. Pin 15 is the output of the flyback generator that, when driven, jumps from low to high condition.

An external network, Ra and Rb, defines the DClevel across Cy so allowing a correct centering of the output voltage. Re and the Boucherot cell are used to stabilize the power amplifier. The output of the power amplifier pin 1 falls under the main supply voltage and the output of the flyback generator is driven for a low state so allowing yda1675a flyback capacitor Cf to restore the energy lost during the retrace.

Pin 10 is the output of the buffer stage and it is internally coupled to the inverting input tdda1675a the power amplifier through Ttda1675a.

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INTEGRATED CIRCUIT TDAA = A MULTIWATT 15

Flyback generator This tca1675a supplies both the power amplifier output stage and the yoke during the most of the duration of the flyback time retrace. An integrated diode stops the rising of this output increase and the voltage jump is transferred by means of capacitor Cf at the supply voltage pin of the power stage pin 2. An external capacitor Cf transfers the jump to pin 2 see pin 2. The series network Rc and Cc, in conjunction with Ra and Rb, applies at the feedback input I2 a small part of the parabola, available across Cy, and AC feedback voltage, taken across Rf.

The external components Rc, Ra and Rd, produce the linearity correction on the output scanning currentIy and their values must be optimized for each type of CRT. At this time the flyback generator starts to supply the power tda16775a amplifier output stage by a diode inside the device.

TDAA Datasheet(PDF) – STMicroelectronics

Pin 12 is the inverting input of the amplifier. The internal clock opens the loop of the amplifier and lets pin 1 floating so allowing the rising of the flyback.

Pin 13 is an open collector output where the blanking pulse is available. Pin 1 is the output of the power amplifier and it drives the yoke by a negative slope cur- Pin 2 rent ramply.

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TDA1675A PDF

TDAA Vertical Deflection Circuit. SYNCHRONISATION CIRCUIT ESD PROTECTED PRECISION OSCILLATOR AND RAMP GENERATOR POWER. View from ELEC 1 at Perm State University. TDAA VERTICAL DEFLECTION CIRCUIT SYNCHRONISATION CIRCUIT ESD. Find great deals for TDAA Vertical Deflection Circuit Original SGS. Shop with confidence on eBay!.

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Power amplifier T his amplifier is a voltage-to-current power converter, the transconductance of which is externally defined by means of a negative current feedback.

Pin tda1765a is the inverting input of the amplifier used as integrator. An integrated diode stops the rising of this output increase and the voltage jump is transferred by means of capacitor Cf at the supply voltage pin of the power stage pin 2. The supply of the power output stage is forced at this pin.

TDAA NTE Equivalent NTE INTEGRATED CIRCUIT T – Wholesale Electronics

It is a full performance and very efficient vertical deflection circuit intended for direct drive of the yoke of o colour TV picture tubes.

During the trace time the supply voltage is obtained from the main supply voltage VS by a diode, while during tda1675aa retrace time this pin is supplied from the flyback generator. Pin 15 is the output of the flyback generator that, when driven, jumps from low to high condition.

The internal clock pulse stops the increasing ramp by a very fast discharge of the capacitor a new voltage ramp is immediately allowed. EPS 5 10 V1 12 9 12 5 A Later, the increasing flyback current reaches the peak value and then the flyback time is completed: A clock pulse is generated.

A capacitor must be connected to increase the performances from the noise point of view. An external capacitor Cf transfers the jump to pin 2 see pin 2.

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I9 I14 V1 Figure 1: This publication supersedes and replaces all information previously supplied. The series network Rc and Cc, in conjunction with Ra and Rb, applies at the feedback input I2 a small part of the parabola, available across Cy, and AC feedback voltage, taken across Rf.

When the current across the yoke changes its direction, the output of the flyback generator falls down to the main supply voltage and it is stopped by means of the saturated output darlington at a high level. Crossing the main supply voltage at pin 14, the flyback pulse front end drives the flyback generator in such a way allowing its output to reach and overcome the main supply voltage, starting from a low condition forced during the trace period.

Pin 14 is the main supply voltage input VS positive. This pin is also the input of the buffer stage. Pin 10 is the output of the buffer stage and it is internally coupled to the inverting input of the power amplifier through R1.

An external network, Ra and Rb, defines the DClevel across Cy so allowing a correct centering of the output voltage. If the flyback pulse is absent short cirucit or open cirucit of the yokethe blanking output remains high so allowing the CRT protection. Pin 9 is the output of the current mirror that charges the series of Ca and Cb.

The internal clock opens the loop of the amplifier and lets pin 1 floating so allowing the rising of the flyback. Pin 11 is the non-inverting input.

TDA1675A MULTIWATT-15 Vertical deflection

The external components Rc, Ra and Rd, produce the linearity correction on the output scanning currentIy and their values must be optimized for each type of CRT. The internal clock turns off the lower power output stage to start the flyback. Pin 7 The resistance between pin 7 and ground defines the current mirror current and than the height of the scanning.

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Specifications mentioned in this publication are subject to change without notice.

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TBL Dimensions Information furnished is believed to be accurate and reliable. VS 1 25 At this pin the non-inverting input reference voltage supplied by the voltage regulator can be measured. Pin tea1675a is the output of the power amplifier and it drives the yoke by a negative slope cur- Pin 2 rent ramply.

The output stage of the power amplifier is supplied by the main supply during the trace period, and by the flyback generator circuit during the most of the duration of the flyback time.

TDA1675A Vertical Deflection Circuit Original SGS

Pin 12 is the inverting input td1a675a the amplifier. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips.

The flyback generator supplies the yoke too. Pin 13 is an open collector output where the blanking pulse is available. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of tda165a of such information nor for any infringement of patents or other rights of third parties which may result from its use.

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