Datasheet Summary
..
Preliminary product Information
FET BIAS CONTROLLER AND TONE DETECTION
Features
- Provides bias for GaAs and HEMT FETs
- Drives up to three FETs
- Dynamic FET protection
- Drain current set by external resistor
- Regulated negative rail generator requires only 2 external capacitors
- Choice in drain voltage
- Wide supply voltage range
- Polarisation switch for LNBs
- supporting zero volt gate switching topology.
- 22kHz tone detection for band switching
- pliant with ASTRA control specifications
- SSOP surface mount package
Description
The AT1511 includes bias circuits to drive up to three external FETs. A control input to the device selects either one of two FETs as...