RF放大器偏置控制器

RF放大器偏置控制器可生成调节漏极电压并主动调整外部放大器的栅极电压,从而实现恒定的偏置电流。它可用于为A级区(指定漏极电压(VDRAIN))的增强和耗尽型放大器提供合适的偏置。这些器件实现了出色的电压、温度、工艺偏置稳定性,避免了由此引起的射频性能下降所需的校准过程。
产品选型表

RF Amp Bias Controllers

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SortOrderPart#Power Primary FunctionVs+
(min)
(V)
Vs+
(max)
(V)
Vs Drain
(min)
(V)
Vs Drain
(max)
(V)
Idrain
(min)
(A)
Idrain
(max)
(A)
Igate Drive
(min)
(A)
Igate Drive
(max)
(A)
Vgate
(min)
(V)
Vgate
(max)
(V)
Over/Under Idrain AlarmLow Vsupply Alarm
1HMC980LP4E RF Amp Bias Controller 5 16.5 5 16.5 0.05 1.6 -4m 4m -2.46 2.04 Yes No
2HMC980-Die RF Amp Bias Controller 5 16.5 5 16.5 0.05 1.6 -4m 4m -2.46 2.04 Yes No
3HMC981LP3E RF Amp Bias Controller 4 12 4 12 20m 200m -0.8m 0.8m -2.5 2 No No
4HMC981-Die RF Amp Bias Controller 4 12 4 12 20m 200m -0.8m 0.8m -2.5 2 No No
5HMC920 RF Amp Bias Controller 5 16.5 3 15 0m 500m -4m 4m -2.5 2 Yes Yes