TB-74.250MDE-T

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	--
Operating Temperature:	-40°C ~ 85°C
Series:	TB
Voltage - Supply:	1.8V
Output:	CMOS
Function:	Enable/Disable
Frequency:	74.25MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Oscillators

An oscillator is an electronic device that produces an alternating current or voltage waveform. It is used primarily in communication systems, such as radio receivers, transmitters, and other electronic circuits. The TB-74.250MDE-T oscillator is an example of such a device.

Application Field

The TB-74.250MDE-T oscillator is designed for short-wave radio broadcasting, communications, and industrial applications, such as audio, video, computing, and test equipment. It is capable of operating at frequencies up to 250 MHz and can produce a variety of waveforms, such as sine, square, triangle, and pulse waves. The TB-74.250MDE-T provides a stable reference frequency for measurement and accurate frequency control operations. It also has a wide dynamic range, and can be used in high-power amplifiers and communications systems. The TB-74.250MDE-T oscillator is designed for use in secure communication systems as well, such as digital trunked radio networks and secure military and government networks. It offers great isolation from external interference, allowing communication in extremely noisy environments.

Working Principle

The TB-74.250MDE-T oscillator uses a voltage-controlled oscillator (VCO) circuit to generate its output. A VCO circuit is a type of electronic oscillator in which the frequency of oscillation is determined by the voltage applied to its input. The voltage applied to the input can be either directly or indirectly controlled by the user. In the case of the TB-74.250MDE-T, the voltage is directly controlled by an external potentiometer, allowing for precise manual frequency control. The oscillator uses a symmetric voltage divider circuit to balance the input voltage. This ensures that the output of the oscillator is always in phase with the input, and that the oscillator is stable over long periods of time.The TB-74.250MDE-T also incorporates an built-in frequency synthesizer circuit, which allows for digital frequency control. Frequency selection and adjustment are both done with the on-board software, which can be accessed either by using the on-board buttons, or by connecting it to a PC or other controller. The frequency synthesizer circuit is also used to monitor the oscillator’s performance, and can be programmed to reduce interference from external noise sources.The TB-74.250MDE-T oscillator is designed for use in industrial, military, and government applications, and is extremely reliable and durable. It also offers a degree of flexibility, allowing for a range of frequency selections, waveforms, and other customizations. With its high power output, high dynamic range, and frequency control options, the TB-74.250MDE-T oscillator is an excellent choice for secure communication systems.

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