产品详情
- Broadband 1400MHz to 2300MHz
- 32dB max gain
- 4dB NF at max gain (2000MHz)
- KLIN™ amplifier with 6dB gain 范围
- DSA: 23.5dB 范围
- 29.5dB total gain control 范围, 0.5dB 步
- < 2dB overshoot between major gain transitions such as 15.5dB to 16dB atten
- +40dBm OIP3
- Maintains +23.5dBm output P1dB over first 6dB gain adjustment 范围
- SPI interface for DSA control
- Single 5V supply voltage
- ICC = 216mA
- Up to +105 °C TCASE operating temperature
- 50Ω input and output impedance
- Standby for power savings
- Pin compatible 700MHz and 2700MHz versions
- 6mm x 6mm, 28-QFN package
The F1455 is a 高-gain/高-linearity 1400MHz to 2300MHz TX variable gain amplifier (VGA) used in transmitter 应用s. The F1455 TX VGA provides 32dB maximum gain with +39dBm OIP3 and 4dB noise figure. Up to 29.5dB gain control is achieved using the combination of a digital 步 attenuator (DSA) plus KLIN™ RF variable gain amplifier gain adjustment. This device uses a single 5V supply and 216mA of ICC. It is packaged in a 6mm x 6mm, 28-QFN with 50Ω single-ended RF input and RF output impedances for ease of integration into the signal path.
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