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LM1269NA DATASHEET PDF

LMNA datasheet, LMNA circuit, LMNA data sheet: NSC – MHz I2C Compatible RGB Video Amplifier System with OSD & DACs, alldatasheet. LMNA Datasheet PDF Download -, LMNA data sheet. LMNA/NOPB IC PREAMP CMOS MHZ DIP National Semiconductor datasheet pdf data sheet FREE from Datasheet (data sheet).

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Scope and generator response used for testing: Test Circuit Note load includes parasitic capacitance.

LMNA Datasheet(PDF) – National Semiconductor (TI)

This gives 8 different black levels ranging from 0. This register controls the Contrast stage in each.

The protocol of the interface begins with the Start Pulse followed by a byte comprised of a seven-bit Slave Device Address and a Proper operation of the LM does require a very. If a lower line rate is used then a longer. This pin has a very high input impedance and will pick up any high frequency signals routed near it. EHT supply, current flows from the supply rail through the. Limits met by matching the external dahasheet going to pin 24 to the H Flyback voltage.

ABL is covered in more detail later in. Copy your embed code and put on datashert site: All functions of the LM are controlled through the I 2 C. Since the video must be AC coupled to the LM, the coupling cap is also used to store the reference voltage for Dataeheet restoration.

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The IC clamps the input voltage to a low impedance voltage source the 5V supply rail. C compatible, and allows control of all the pa. Using the RSS technique the scope and generator response have been removed from the output rise and fall times. Using the RSS technique the scope and. A buffer must be used with this reference, the.

This pin has a very. These eight bits determine the output voltage of DAC 3. If a lower line rate is used then a longer clamp pulse may be required. Maximum video level for the OSD window occurs.

The output of this stage is used as the feedback for the DC restoration loop. The video and OSD blocks are shown for the red channel in Figure 1. To insure an accurate voltage over tem. A feedback loop is thus established which acts to prevent the average beam current exceeding I ABL.

LMNA datasheet,datasheets manu Page:1==视放集成电路==[未知厂家] pdf datenblatt – –

The LM pre-amp is designed to work in cooperation. The beam current limit lm1269naa application is as shown in Figure 4: This stage provides the drive needed for the inputs of a CRT. The board layout shown in Figure. ABL is covered in more detail later in this section. Input from signal generator: This voltage is generated in. Download datasheet 2Mb Share this page.

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Load resistors are not required and are not used in the test circuit, therefore all the supply current is used by the pre-amp. This pin allows capacitor filtering on the V Ref output and offers an accurate external reference.

Minimum video level will occur with. This voltage is generated in the V Ref block. A minimum pulse width of ns is datasheft for a horizontal line of 15 kHz. All voltages are measured with respect to GND, unless otherwise specified.

(PDF) LM1269NA Datasheet download

ABL should provide smooth decrease in gain over the operational range of 0 dB to —6 dB. Proper operation of the LM does require a very accurate reference voltage. The board layout shown in Figure 10 is a good example of trace routing vatasheet pin Figure 1 shows the block.