Product Details
- 200? differential inputs and 100? outputs
- Dual VVA+VGA with output RMS detectors
- SPI configurable VGA gain range
- 24dB gain range for each VVA
- Switchable dual inputs for VGA2
- Power-down feature
- Supply voltage: +4.75V to +5.25V
- Total supply current: 145mA
- 5mm x 5mm, 32-VFQFPN package
- -40 °C to +105 °C exposed pad operating temperature range
The F1280 is a highly integrated 0.001MHz to 1200MHz dual VVA+VGA with integrated RMS detectors. The two independently controlled VVA+VGAs each provide 24dB of gain range with four different selectable gain ranges. The VGA gain ranges and switchable VGA2 inputs are controlled through an SPI interface with a 10MHz maximum clock operating frequency.
- Wireless infrastructure
- Medical devices
- General RF
Design & Development (Boards and Kit)
F1280 Dual Variable Gain Amplifier Evaluation Kit
The F1280EVK is a fully populated evaluation board that allows the customer to evaluate the F1280 dual VVA+VGA with integrated RMS detectors. The F1280 VGA gain ranges and switchable VGA2 inputs are controlled with serial communication input using a USB digital interface board that connects to the PC.
The F1280EVK consists of the following:
- F1280 Evaluation Board
- USB Digital Interface Board
- USB Cable (USB-A to USB-B micro)
The F1280 Evaluation Board consists of the following:
- SMA connectors for RF IOs and power supply connection
- Header pins for power supply and digital interface connection
- Jumper configurable power supply connection
- Clip-on test point access for voltage sense
- RF Balun SMD modules for unbalanced to balanced and balanced to unbalance conversion of RF IOs
Part Number (3)
RA81F1280STGNH#BD0
RA81F1280STGNH#HD0
RTKA81F1280ST000RU
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