Product Details
- Broadband 450MHz to 1100MHz
- 32dB max gain
- 3.6dB NF at max gain (900MHz)
- 29.5dB total gain control range, 0.5dB step
- < 2dB overshoot between major gain transitions
- +41dBm OIP3
- Maintains +23dBm output P1dB over 13dB gain adjustment range
- SPI interface for DSA control
- Single 5V supply voltage
- ICC = 185mA
- Up to +105°C TCASE operating temperature
- 50Ω input and output impedance
- Standby for power savings
- Pin compatible 1400–2300 MHz and 2100–2950 MHz versions
- 6 × 6 mm, 28-QFN package
The F1451 is a High-Gain/High-Linearity 450MHz to 1100MHz TX Variable Gain Amplifier used in transmitter applications. The F1451 TX VGA provides 32dB maximum gain with +41dBm OIP3 and 3.6dB noise figure. Up to 29.5dB gain control is achieved using the combination of a digital step attenuator (DSA) plus KLIN™ RF variable gain amplifier gain adjustment. This device uses a single 5V supply and 185mA of ICC. This device is packaged in a 6 × 6 mm, 28-QFN with 50Ω single-ended RF input and RF output impedances for ease of integration into the signal path.
Product Documents
Type
Name
Date
Actions
2025-06-01
PCN#A1709-04 Alternate Assembly Location at ASECL on Select Package
Design & Development (Boards and Kit)
Evaluation Kit for F1451 TX VGA
The F1451EVBK is a fully populated evaluation board that allows the customer to easily evaluate the F1451 TX RF Digital Variable Gain Amplifier. Attenuation is set using SPI.
The F1451EVSK is a complete hardware and software solution that allows customers to digitally control the F1451EVBK with the USB output on a computer. The kit includes the F1451EVBK board, as well as a USB Digital Control Board, and interface cables. The software, guides , and instructional videos are available for download/viewing on this page.
Part Numbers (2)
F1451NKGK
F1451NKGK8
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