FJX3007RTF

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The FJX3007RTF is a pre-biased single NPN (Negative Positive Negative) transistor specifically designed for low noise, low frequency high gain, and ultra-low phase distortion IF (intermediate frequency) applications. The design consists of a dual collector integrated circuit fabrication technology, where two collectors are bonded together either with or without gain-boosting emitter resistors. This design reduces the IC\'s overall noise level while maximizing the gain and preserving the circuitry\'s response linearity.

The FJX3007RTF is an available choice of pre-biased transistors since it features an increased selection of options compared to rival monolithic ICs, so that designers can enhance the DC gain and bandwidth of the IF preamp. It is also suitable for use in commercial VCO (voltage controlled oscillator) PA stages that require low noise and gain boosting.

The FJX3007RTF is an excellent choice for applications that need an accurate gain curve, a high input/output intercept, and low third-order distortion. The transistor features a low voltage control characteristic so that it is suitable for any type of biasing source, while the base current is minimal, which means that it doesn\'t have to be specifically designed. Its low thermal resistance also guarantees reliable operation when dissipating large amounts of heat.

The working principle of the FJX3007RTF is fairly simple. When the base-bias voltage is applied, current flows through the base region and a small percentage of it also reaches the emitter. This current then will be combined with the emitter current, initiating the NPN transistor action. This action consists of an increase of current through the collector as the base voltage increases, and the IF gain is set by the ratio of the collector-to-base current, which is controlled by the base-bias voltage.

The base-bias voltage is also responsible for controlling the full power output of the FJX3007RTF. When the voltage is increased, the collector current will follow and the VCO PA stage output power will be increased accordingly. The transistor also features high stability and a high dynamic range over a broad working range, so it is ideal for large-scale PA designs.

In conclusion, the FJX3007RTF is the ideal pre-biased single diode drop transistor when it comes to IF gain, noise, and phase distortion. Its design is innovative, featuring a dual collector integrated circuit fabrication technology that is suitable for applications such as large-scale PA designs, while its low voltage control characteristic makes it suitable for any type of biasing source. Furthermore, its low thermal resistance ensures that it is capable of dissipating large amounts of heat reliably.

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