Datasheet Summary
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Preliminary product Information
FET BIAS CONTROLLER AND TONE DETECTION
Features
- Provides bias for GaAs and HEMT FETs
- Drives up to 3 FETs with Dynamic FET protection
- Regulated negative rail generator requires only 2 external capacitors
- Drain current set by external resistor
- 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-20 surface mount package
Description
The AT1512 includes bias circuits to drive up to 3 external FETs. A control input to the device selects either one of two FETs as...