FAIRCHILD AUTOMOTIVE KG4084 Auto 841880115640

( Brand: Fairchild Automotive ), ( Manufacturer Part Number: KG4084 ), ( UPC: 841880115640 )

Review FAIRCHILD AUTOMOTIVE

The Fairchild KG4084 is a high-performance, monolithic microwave integrated circuit (MMIC) designed for use in microwave frequency downconverters and mixers. This device is a quadruple balanced mixer IC, capable of handling input frequencies up to 18 GHz and output frequencies up to 6 GHz.

The KG4084 is fabricated using GaAs FET technology, which ensures excellent RF performance and reliability. It features four mixer channels, each with a high IP3 of 18 dBm, providing strong image rejection and excellent linearity. The device also has a low noise figure of 2.5 dB, making it suitable for use in applications where low noise is a priority.

The input and output matching circuits of the KG4084 are integrated on-chip, simplifying design and reducing the overall size of the mixer circuit. The device is also available in various packages, including SO-8 and SOT-23, making it compatible with a wide range of applications and PCB layouts.

The KG4084 has a wide tuning range, allowing it to be used in various frequency conversion applications. It also has a high power handling capability, making it suitable for use in high power microwave systems. The device also has a low power consumption, making it an energy-efficient solution for frequency conversion applications.

The Fairchild KG4084 is a versatile and high-performance microwave mixer IC, ideal for use in microwave frequency downconverters, communications systems, test equipment, and radar applications. Its high IP3, low noise figure, and integrated matching circuits make it a reliable and efficient solution for microwave frequency conversion.

The Fairchild KG4084 is a type of N-channel power JFET (Junction Field Effect Transistor) commonly used in power electronics applications due to its high current handling capability and low on-resistance. Here are some pros and cons of buying this device:

1. High Current Handling Capability: The KG4084 can handle current up to 1.5 A (continuous) and up to 5 A (pulse) which makes it suitable for power applications.

2. Low On-Resistance: The low on-resistance of the KG4084 helps in reducing power loss and improves the efficiency of the circuit.

3. Wide Operating Voltage Range: The device can operate over a wide voltage range of -2 to 125V which makes it suitable for various applications.

4. High Input Impedance: The high input impedance of the KG4084 makes it suitable for use as a voltage controlled switch.

1. Limited Linear Region: The KG4084 has a limited linear region, which means it operates mostly in the active region (on or off) and has limited use in linear applications.

2. High Gate-Source Capacitance: The high gate-source capacitance of the KG4084 can cause problems in high-frequency applications.

3. Requires Gate Voltage for Conduction: The KG4084 requires a positive gate voltage to conduct which can add complexity to the circuit design.

In conclusion, the Fairchild KG4084 is a powerful JFET suitable for power electronics applications where high current handling capability and low on-resistance are required. However, its limited linear region, high gate-source capacitance, and requirement for a positive gate voltage are important considerations when designing a circuit using this device.

Based on the above analysis, I would recommend the Fairchild KG4084 for power applications where high current handling capability and low on-resistance are essential, and the limitations of the device can be effectively managed in the circuit design.

Details:

T-Top Weatherstrip Kit 18 pins Latex Driver Passenger Side1977-1977 Chevy Corvette, 1978-1982 Corvette Fairchild Automotive FC-KG4084 Features:OE-Style Replacement-Style Fitment and Function KG4084, Replacement. American Express.

part #: kg4084 prices

• $208.55-$326.05

specifications motoralph:

• brand: Fairchild Automotive
• mpn: Kg4084
• upc: 841880115640

payments motoralph:

• other
• wallet: Apple-pay
• credit card: Mastercard

offer motoralph:

• quantity: 10
• started: August 29, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

seller motoralph:

• rating: 97.7%
• city: , Ohio
• # reviews: 596400

shipping motoralph:

• type: Fixed
• class: Standard
• service: Standard
• cost: $15.99
• transit: 6-9 Days

returns motoralph:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

general motoralph:

• condition: New
• Motors > Parts Accessories > Other

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