Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The F4481LKGI8 is a 400MHz to 1100MHz four-channel TX DVGA with 100Ω differential input and 50Ω single-ended output. The device is part of the complete VGA family and targets FDD and TDD applications in the frequency range from 400MHz to 4200MHz.

Product characteristics

Independent four-channel for FDD Tx applications

Radio frequency range: 400MHz to 1100MHz

28dB typical maximum gain (900MHz)

Precision SPI control without Glitch-FreeTM gain adjustment

31.5dB gain range, 0.5dB step size

The noise factor is 5.5dB at 900MHz

+40dBm OIP3 (900MHz)

+16dBm Output P1dB (900MHz)

3.3V supply voltage

ICC=520mA

100Ω differential input impedance

50Ω single-ended output impedance

Supports 1.8V and 3.3V logic

Independent channel standby mode to save power

Operating temperature (TEP) range: -40°C to +105°C

8×8 mm, 56-LGA package

Typical application

• 4G and 5G multi-mode, multi-carrier transmitters

LTE and UMTS/WCDMA base stations

• Active antenna system

• Digital radio

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.