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Part Number Description LNA Bias Stages Mixer Bias Stages VOUT (V) Maximum Total Load (mA) VPOL (V) FTONE (kHz) LNA VDRAIN (V) LNA IDRAIN (mA) Mixer IDRAIN (mA) VG OFF (V) VNEG (V) Status Pin/Package
AT4200 3 - - - 15.5 22 2 15 -2.5 -3 *


       The AT4200 is a single-chip solution that provides power management and control for LNBs. It provides the bias, control and detection, local oscillator switches, and stable power and other power supplies for IF amplifiers that are necessary for LNBs and mixers Features. The AT4200 is a 16-pin miniature package that requires only three external components to provide a compact solution. As the most critical part of LNB, the AT4200 can exert stable performance to eliminate the effects of misoperation and overload in terms of control monitoring and power management.


LNB Bias, Control and Power Management Single-Chip Integration

Integrated LNB regulated power supply

Zero-Gate Voltage FET Switch

Provides voltage detection for polarity switching

22 kHz tone detector with signal rejection for band switching

Programmable mixer and FET bias

Single pin provides power and control

No external filtering required

FET bias with temperature compensation protection

Application range

Single and Single Universal LNBs

Mono-Block LNB ’s


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