Allicdata Part #: | 497-8293-2-ND |
Manufacturer Part#: |
START499ETR |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | STMicroelectronics |
Short Description: | TRANS RF SILICON NPN SOT-343 |
More Detail: | RF Transistor NPN 4.5V 600mA 1.9GHz 600mW Surface ... |
DataSheet: | START499ETR Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Transistor Type: | NPN |
Voltage - Collector Emitter Breakdown (Max): | 4.5V |
Frequency - Transition: | 1.9GHz |
Noise Figure (dB Typ @ f): | 3.3dB @ 1.8GHz |
Gain: | 15dB |
Power - Max: | 600mW |
DC Current Gain (hFE) (Min) @ Ic, Vce: | 160 @ 160mA, 4V |
Current - Collector (Ic) (Max): | 600mA |
Operating Temperature: | 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | SC-82A, SOT-343 |
Supplier Device Package: | SOT-343 |
Base Part Number: | START499 |
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START499ETR Application Field and Working Principle
The START499ETR is a type of bipolar junction transistor (BJT) used in RF applications. It is an NPN Silicon RF transistor designed to provide high performance in Class A and Class AB RF amplifiers. The main features of the device include a low noise figure at low frequencies due to the well-defined base current, high current gain and low collector-emitter saturation voltage.
Applications
The START499ETR is designed for high gain and low noise RF applications in the HF, VHF, and UHF radio bands. It is suitable for a wide range of applications including amplifiers, oscillators, mixers, and frequency converters.
In communication systems, the transistor is commonly used as an Intermediate Frequency (IF) amplifier. It can also be used in digital signal processing (DSP) circuits, where it provides high-gain, low-noise amplification. It can also be used in RF power amplifiers such as those used in base stations and mobile phones.
Working Principle
The START499ETR is an NPN transistor, meaning it is composed of two p-type and one n-type semiconductor material. When connected to a power source, the transistor acts as a switch. The current flows from the emitter, through the base and then to the collector. The current gain, also known as the beta, is the ratio between the collector current and the base current. The transistor is also capable of working in a linear range, where it acts as an amplifier rather than a switch. When connected in a linear configuration, the transistor amplifies an input signal and produces an output signal which is proportional to the input.
Conclusion
The START499ETR is a type of bipolar junction transistor (BJT) designed for use in RF applications. It can be used in a wide range of applications, including IF amplifiers, digital signal processing circuits, frequency converters, and RF power amplifiers. The transistor works like a switch when connected to a power source, or as an amplifier in a linear configuration. The device provides high gain and low noise performance, making it suitable for a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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