产品详情
- Ideal for systems with 高 SNR requirements
- 20dB typical maximum gain
- 31dB gain control 范围
- 5-bit control
- 1.0dB gain 步s
- Excellent noise figure ~ 4.0dB
- 5mm x 5mm 32-pin package
- 200Ω differential matched input
- 200Ω differential matched output
- No termination resistor required
- NF degrades < 2dB at 10dB reduced gain
- 10MHz to 500MHz frequency 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 gain settings. By keeping both IP3O and NF flat while gain 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 gain 步 of 1.0dB coupled with the excellent differential non-linearity allows for SNR to be maximized further by targeting the minimum necessary gain in small, accurate increments. The matched output does not require a terminating resistor, thus the gain 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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