DS1135LZ-20+

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A delay line is a type of signal processing circuit that works by delaying a signal by a controlled amount of time such as milliseconds or microseconds. They are commonly used in computer memory and CCTV cameras. Delay lines are also known is sometimes used as a frequency shifter or phase shifter to differentially shift two signals. A delay line oriented device is the DS1135LZ-20, which is also known as a surf board oscillator. The DS1135LZ-20 is a Programmable Delay Line Application Specialized IC that provides variable delay in a standard 14-pin DIP package.

The DS1135LZ-20 is designed for line synchronizing applications, mainly in the telecom and data communications networks, incrementing equipment and in various other systems. It improves the arbitrary rise and fall times of the TV synchronization pulse by echoing it through the delay line. Out of the 1.2 ms time delay range, the DS1135LZ-20 is adjustable in seconds and tenths of seconds. It is also used in communication systems to store, buffer and delay data.

Working Principle of the DS1135LZ-20 Delay Line

The DS1135LZ-20 is a single chip, dual delay line device with a delay range of 1.2 ms. It features an adjustable delay in milliseconds or microseconds with an accuracy of 250 ns. An added feature of this device is a programmable output mode that allows the user to select between an active-high or an active-low output. It has an oscillator frequency of between 10 kHz and 3.2 MHz with a functional temperature range of -40 to +85°C. Also, the power supply voltage range is between 5.0 and 12V DC.

The DS1135LZ-20 features an analog control voltage adjustable delay, with a full-scale range of 1.2 ms and an accuracy of 250 ns. The delay range is divided into 2048 steps, or lines, with each step providing a delay range of approximately 0.583 μsecs. The integrated input and output buffers allow the device to be connected to a large number of external components.

The DS1135LZ-20 delay line is designed primarily for timing applications or line synchronizing a television signal. It has two identical delay channels and adjustable output configurable modes. The DS1135LZ-20 is fabricated with a standard CMOS process, providing a low power dissipation and making it ideal for low voltage applications.

Application Field of the DS1135LZ-20 Delay Line

The DS1135LZ-20 delay line is widely used in digital communications and broadcast systems, telecom and data communications networks, television synchronization, digital control systems, and many other applications. It is used in broadcast and digital radio receivers and industrial applications.

In communication systems, the DS1135LZ-20 Delay Line is commonly used to store, buffer, and delay data. It is used in high speed communications systems as a programmable delay line for multiple bit streams or complex signaling applications. Additionally, it is used for line synchronization applications in television sets for synchronizing the color signals.

The DS1135LZ-20 is also widely used for frequency-shifting or phase-shifting purposes. It can be used for differentially shifting two signals, by providing a delay of approximately 1.2 ms with an accuracy of 250ns. It finds application in frequency shifting applications of base-stations, two-way radios, and cellular phones.

The DS1135LZ-20 is a widely used programmable delay line with adjustable delay with an accuracy of 250ns. With its dual channel design and adjustable output configurability, it is widely employed in various applications; digital communication, broadcast systems, industrial applications, and telecom networks.

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