概览
描述
The F1456 is a High-Gain/High-Linearity 2100MHz to 2950MHz TX Variable Gain Amplifier used in transmitter applications. The F1456 TX VGA provides 32.1dB maximum gain with +38dBm OIP3 and 3.9dB noise figure. Up to 31.5dB 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 215mA 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.
特性
- Broadband 2100MHz to 2950MHz
- 32.1dB max gain
- 3.9dB NF @ max gain (2650MHz)
- 31.5dB total gain control range, 0.5dB step
- < 2 dB overshoot between major gain transitions
- +38dBm OIP3
- Maintains +21.5dBm output P1dB over 13dB gain adjustment range
- SPI interface for DSA control
- Single 5V supply voltage
- ICC = 215mA
- Up to +105 °C TCASE operating temperature
- 50Ω input and output impedance
- Standby for power savings
- Pin compatible 700–1100MHz and 1400–2300MHz versions
- 6 × 6 mm, 28-QFN package
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| 类型 | 文档标题 | 日期 |
| 数据手册 | PDF 8.75 MB | |
| 指南 | PDF 2.24 MB | |
| 指南 | PDF 2.83 MB | |
| 概览 | PDF 1.15 MB | |
| 产品变更通告 | PDF 32 KB | |
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设计和开发
软件与工具
开发板与套件
评估
F1456EVSK
有效
Evaluation Kit for F1456 TX VGA
The F1456EVBK is a fully populated evaluation board that allows the customer to easily evaluate the F1456 TX RF Digital Variable Gain Amplifier. Attenuation is set using SPI.
The F1456EVSK is a complete hardware and software solution that allows customers to digitally control the F1456EVBK...
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视频和培训
Constant Linearity (KLIN) RF Technology by IDT
IDT’s KLIN (constant linearity) RF technology extends both OIP3 and output 1 dB compression point (P1dBO) amplifier gain settings. This is particularly valuable in transmitter designs where the gain of the device is maintained within a normal gain setting window about 6 dB below maximum gain.
KLIN refers to Constant High Linearity Inner Amplifiers as the gain is adjusted. This technology extends the compression performance over a wide range of input powers, and also extends output third order intercept and corresponding inner modulation distortion performance over a wide range of output powers.
This technology is particularly advantageous in transmitter designs, where the gain of the device is maintained within a normal gain setting window.
This technology applies to some of IDT's high-gain, high-linearity transmitter variable gain amplifiers (VGAs). For more information, visit: http://www.idt.com/products/rf-products/variable-gain-amplifiers-vga.
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