产品详情
- Ideal for systems with 高 SNR 要求
- 20dB typical maximum 获得
- 31dB 获得 control 范围
- 5-bit control
- 1.0dB 获得 步s
- Excellent noise figure ~ 4.0dB
- 5mm x 5mm 32-pin 包裹
- 200? differential matched input
- 200? differential matched output
- No termination resistor required
- NF degrades < 2dB at 10dB reduced 获得
- 10MHz to 500MHz 频率范围
- Ultra-linear: IP3O +47dBm typical
- Excellent 2nd harmonic rejection
- Parallel control
- External current setting resistors
- Very fast settling < 15nsec
- Individual Power-Down modes
- Extremely low power consumption: 79mA/Ch
The F1241 IF VGA featuring FlatNoise™ technology improves system SNR, especially at lower 获得 settings. By keeping both IP3O and NF flat while 获得 is 后退ed off, the system SNR is improved significantly under 高-level interferer conditions, especially when considering alias noise in an IF sampling receiver. The fast-settling, parallel mode 获得 步 of 1.0dB coupled with the excellent differential non-linearity allows for SNR to be maximized further by targeting the minimum necessary 获得 in small, accurate increments. The matched output does not require a terminating resistor, thus the 获得 and distortion performance are preserved when driving Bandpass Anti-Alias filters.
- Base station 2G, 3G, 4G, TDD radio cards
- Repeaters and E911 systems
- Digital pre-distortion
- Point-to-Point 基础设施
- Public safety 基础设施
- WiMAX receivers and transmitters
- Military systems, JTRS radios
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Design & Development (Boards and Kit)
Evaluation Board for F1241 Dual Intermediate Frequency Digital Variable 获得 Amplifier
The F1241EVBI is a fully populated evaluation board which allows the customer to easily evaluate the F1241 Dual Intermediate Frequency Digital Variable 获得 Amplifier. Attenuation may be set using either the F1241’s parallel control input or its serial control input by setting Vmode to the appropriate value.
The F1241EVS is a complete hardware and software solution that allows customers to digitally control the F1241EVBI with the USB output on a computer. The kit includes the F1241EVBI board, as well as a USB Digital Control Board and interface cables. The software, guides , and instructional videos are available for download/查看ing on this page.
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