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Name: PD84002
Brand: STMicroelectronics
SKU: PD84002
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics PD84002

Part No.:: PD84002

Manufacturer:: STMicroelectronics

Package:: TO-243AA

Datasheet:: PD84002.pdf

Description:: FET RF 25V 870MHZ

In Stock:: 3610

Quantity:: Add To Cart

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PD84002 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Obsolete
TransistorType:
LDMOS
Frequency:
870MHz
Gain:
15dB
Voltage-Test:
7.5 V
CurrentRating(Amps):
2A
NoiseFigure:
-
Current-Test:
100 mA
Power-Output:
2W
Voltage-Rated:
25 V

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PD84002 information

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PD84002 Typical application Circuitry

PD84002

The PD84002 is a high-performance RF power MOSFET transistor designed primarily for use in mobile communications. It excels in applications requiring high efficiency and linearity, such as RF power amplifiers in cellular base stations, portable radio systems, and other communication devices operating in the VHF and UHF bands.

Key Features of the PD84002:

- High Power Efficiency: The PD84002 is optimized for high power efficiency, reducing energy consumption and heat generation in demanding applications.

- Broad Frequency Range: Because it can function across a broad range of frequencies, it can be used with a variety of communication standards.

- Improved Linearity: Because of its improved linearity, this device is perfect for amplifying complicated signals with little to no distortion.

- Robustness: Constructed to endure challenging operating circumstances, guaranteeing dependability and longevity in the field.

Application Scenario: VHF Band RF Power Amplifier

Utilizing the PD84002 in a VHF band RF power amplifier circuit for a portable radio system showcases its capabilities in RF signal amplification. Below is a detailed integration guide for the PD84002 in this application:

1. Power Supply Connection:

- Appropriate Voltage Supply: It is crucial to connect the drain terminal of the PD84002 to a power supply that meets the voltage requirements for optimal operation. This ensures that the transistor can deliver the desired output power while maintaining high efficiency.

2. Gate Biasing:

- Accurate Bias Voltage Application: Applying the correct bias voltage to the gate terminal is essential for setting the PD84002 into the appropriate operational mode. Proper biasing helps achieve a balance between efficiency and linearity, which is critical for RF amplification.

3. Input Matching Network:

- Efficient Signal Coupling: To maximize the signal gain and minimize reflection, an input matching network should be designed to couple the input RF signal efficiently to the gate terminal. This network typically involves capacitors and inductors to match the source impedance with the PD84002's input impedance.

4. Output Matching Network:

- Optimal Power Transfer: Designing an output matching network between the PD84002's drain terminal and the output load (such as an antenna) is crucial for efficient power transfer. The network adjusts the output impedance of the PD84002 to match the load impedance, maximizing the power output and efficiency.

5. Cooling Strategy:

- Effective Heat Dissipation: Given the high-power operation of the PD84002, a robust cooling strategy is mandatory. This often involves using a heat sink with adequate thermal conductivity, and possibly additional cooling methods, to efficiently dissipate heat generated during operation.

Design Points to Remember:

A circuit designed with the PD84002 needs to take into account a number of important factors:

- Frequency Stability: Ensuring circuit stability across the intended frequency range is vital, employing feedback or stabilizing networks as needed to prevent oscillations.

- Protection Mechanisms: Incorporating circuits to protect the PD84002 from overcurrent, overvoltage, and thermal overload is crucial for maintaining its integrity and extending its lifespan.

- Harmonic Suppression: It is important to implement strategies for suppressing harmonics, through filtering or other means, to comply with regulatory standards and minimize interference with other equipment.

By carefully integrating the PD84002 into a VHF band RF power amplifier for a portable radio system and considering these design aspects, engineers can exploit its high power efficiency and enhanced linearity. This enables the development of high-performance, reliable RF amplifiers that fully utilize the capabilities of the PD84002, meeting the stringent requirements of modern communication systems.

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6. What is the process for return or replacement of PD84002?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PD84002 we delivered, we will accept the replacement or return of the PD84002 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PD84002.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations