PH3135-65M

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PH3135-65M application field and working principle

PH3135-65M is a high frequency, medium power NPN bipolar transistor developed by PHitech Company and is part of the RF transistors - bipolar (BJT) range. It features high gain, low noise and low power consumption, making it ideal for applications such as oscillators, amplifiers and mixers.

The transistor is available in a TO-39 package and requires a collector current of 65mA with a collector voltage of 8V. It is designed to operate from 10MHz to 500MHz. It is designed with a power dissipation capability of 1.5 watts. The typical frequency response of the PH3135-65M transistor is illustrated in the figure below.

The amplifier graph is a function of the transistor\'s current gain, which increases with frequency, as depicted in the figure. The maximum power output of the PH3135-65M is 1.5W at a collector current of 65mA and a collector voltage of 8V.

The working principle of the PH3135-65M transistor is based on the principles of current amplification. The device works by allowing current to flow through one small region, while blocking current from the other regions. When a voltage is applied to the base, it generates a small current between the emitter and the collector. This current is then amplified by the transistor and can be used to drive an external load.

In an oscillator application, the PH3135-65M transistor is used in conjunction with an inductor and capacitor to form an LC tank circuit, which produces an oscillating signal. The signal is then amplified by the transistor and output to an external load. The amplifier graph for the device is a function of the transistor\'s frequency response.

In an amplifier application, the transistor is used to amplify the input signal. It is operated in the linear region and is biased with a fixed current. The relationship between the input and output signals is described by the small signal gain of the transistor, which increases with an increase in the collector current. As a result, the device is able to amplify the input signal over an extended frequency range.

The PH3135-65M is an NPN type device. In an NPN transistor, the emitter is always connected to the negative supply and the collector is connected to the positive supply. A voltage applied to the base causes a current to flow, which is then amplified by the transistor. The collector current is the current which flows to the output during the on-state of the device.

The PH3135-65M is an excellent choice for applications requiring a high frequency, medium power, small signal transistor. It is ideal for applications such as oscillators, amplifiers, and mixers. It is available in a TO-39 package and operates from 10MHz to 500MHz.

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