F1240 Description
The F1240 is a dual channel IF variable gain amplifier for diversity basestation receivers. Each channel has 31.5dB of total attenuation and a 0.5dB attenuation step. The device offers significantly better noise and distortion performance than currently available devices.
F1240 Key Features
- Ideal for systems with high SNR requirements
- 20dB typical Maximum Gain
- 31.5dB gain control range
- 6 bit control via serial or parallel control
- 0.5dB Gain Steps
- Excellent Noise Figure : 4.0dB
- NF degrades just 1.3dB @ 10dB below Max Gain
- 200Ω Differential Matched Input
- 200Ω Differential Matched Output
- No termination resistors required