4308H-102-122LF

Resistor Networks, Arrays

4308H-102-122LF Application Field and Working Principle

Resistor networks, arrays, and other components are common components in electrical and electronic systems. One of those components is the 4308H-102-122LF, which is an attenuator for an RF signal. This component works by utilizing a resistor network, which is an arrangement of resistors that are connected together to form a single unit. The resistive elements used in the 4308H-102-122LF are arranged in a ladder-style network. This network of resistive elements offers high attenuation, low insertion loss, and low temperature coefficient.

The key advantage of the 4308H-102-122LF is its wide variety of applications. It can be used in applications such as cellular and satellite communication systems, radio frequency systems, audio systems, instrumentation systems, telemetry systems, navigation systems, and broadcasting systems, among many others. This component is also ideal for RF signal power applications and DC voltage applications.

The working principle of the 4308H-102-122LF attenuator is simple yet effective. It works by connecting the signal-in port to the signal-out port through the resistor network. The amount of attenuation achieved is determined by the number of steps in the resistor network and the resistor values, which are usually denoted by their “Ohmage” (Ohm value). The resistors are arranged in a ladder-style network, which provides high attenuation, low insertion loss, and low temperature coefficient.

The working principle of a resistor network is directly related to its safety features. Since the resistors in the network are connected in series, the network works as a “fuse”, which prevents any excessive voltage from damaging the circuit or other components connected to the network. If the input voltage exceeds the maximum level that the resistor network can support, the resistor network will blow out or “open” and effectively shut down the entire circuit.

The operating temperature range of the 4308H-102-122LF is -40° C (with a +/- 5% tolerance) up to + 85° C (at a maximum power rating of 350 mW). This wide temperature range allows for use in extremely harsh operating environments, which is one of the reasons why the 4308H-102-122LF is such a popular choice. The operating temperature range can also be extended when used in conjunction with thermally-conductive tape.

In conclusion, the 4308H-102-122LF is a widely used resistor network component suitable for many RF signal power and DC voltage applications. With its resistor network, it offers high attenuation, low insertion loss, and low temperature coefficient. It is an effective component for use in rugged, extreme operating environments, with its wide operating temperature range. Its simple and effective working principle gives the user ample amount of control over the amount of attenuation, making it a great choice for most applications.