BU7442SFVM-TR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

BU7442SFVM-TR is a high-performance, low-power, low-noise linear amplifier designed for instrumentation applications. It is a single supply, low-pass-filter (LPF) amplifier, with a gain of ±1 V/V and a load current of 10mA. This amplifier has two outputs for single-ended signals, one for differential signals, and one for common-mode signals. It has a bandwidth of up to 38 GHz, with a -3 dB bandwidth of 34 GHz and a noise figure of less than 10dB.

Application Field

The BU7442SFVM-TR is suitable for a wide range of applications such as signal amplification, signal conditioning and data acquisition. It is ideal for RF signal processing on the cellular and analog communications bands, as well as signal propagation in experiments, signal processing and measuring devices. It is also suitable for signal sensing and signal processing in data acquisition systems, location systems, radio navigation and satellite tracking. Moreover, the BU7442SFVM-TR can be used for high-level signal transmissions over long distance and can be used for developing optical and acoustic communication systems.

Working Principle

The BU7442SFVM-TR shares common principles with other linear amplifiers. The amplifier consists of an input stage, an output stage, and an optional bias network. The input stage is typically an active device such as a field-effect transistor (FET), a transistor, or an integrated circuit (IC). This stage provides an input voltage level that determines the gain; it is also responsible for providing the high input impedance and low output impedance, which is essential in linear amplifiers. The output stage is a combination of an amplifier and a buffer, and it provides the gain, amplification and current output necessary for the amplifier’s performance. The optional bias network is a circuit made of either a single or dual supply voltage that sets the amplifier’s operating parameters such as offsets, gain and current, voltage range and accuracy.

The BU7442SFVM-TR features a differential circuit for low-noise operation and to achieve bandwidths of up to 38GHz. The differential output stage is based on solid-state devices such as FETs and bipolar junction transistors (BJT). These output devices are connected in a circuit configuration known as the two-stage differential amplifier. The two-stage differential amplifier provides a smooth differential output that is driving two transistors, each of which provides a low voltage gain and a low-noise output. By controlling the bias voltage of the transistors, the differential output stage can be tuned to optimize the performance. The bias of the transistors is application specific and can be configured through the on-board control circuit.

The BU7442SFVM-TR also features an optional capacitive feedback network, which allows the amplifier to have a wide frequency response, low noise, and low power consumption. The adjustable feedback network is based on a combination of several different types of capacitors. These capacitors are usually constructed from silicon and tantalum-based materials. By adjusting the values of the capacitors, the amplifier’s output can be adjusted to achieve different frequencies. The capacitors also provide active filtering which prevents unwanted signals from entering the amplifier and affecting its performance.

In addition, BU7442SFVM-TR has an ESD (electrostatic discharge) protection circuit, which helps prevent electrical damage due to high voltages. This protection circuit consists of a zener diode, which has the ability to divert electrical current away from sensitive components when an overvoltage occurs. This diode is typically placed near the input of the amplifier and is wired in series with the input terminals. In this way, any high voltage is discharged safely away from the sensitive components.

The BU7442SFVM-TR is a powerful and versatile linear amplifier that can be applied to many different applications. Its wide bandwidth, low noise, and optional bias and capacitive feedback networks make it an ideal choice for many applications, including RF signal processing and data acquisition. With its wide range of features, the BU7442SFVM-TR is a great choice for instrumentation applications.

The specific data is subject to PDF, and the above content is for reference