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、温度和工艺变化偏置稳定性,避免了由此引起的RF性能下降所需的校准过程。
产品选型表

RF Amplifiers Bias Controllers

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SortOrderPart#RF 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)
Price (100-499)
($ US)
1AD7293 PA Drain Current Controller -4.5 5.5---- -10m 10m -4 10 $10.44 (AD7293BCPZ)
2HMC980LP4E PA Bias Controller 5 16.5 5 16.5 0.05 1.6 -4m 4m -2.46 2.04 $34.60 (HMC980LP4E)
3HMC980-Die PA Bias Controller 5 16.5 5 16.5 0.05 1.6 -4m 4m -2.46 2.04 $35.85 (HMC980)
4HMC981LP3E PA Bias Controller 4 12 4 12 20m 200m -0.8m 0.8m -2.5 2 $20.09 (HMC981LP3E)
5HMC981-Die PA Bias Controller 4 12 4 12 20m 200m -0.8m 0.8m -2.5 2 $21.02 (HMC981)
6HMC920 PA Bias Controller 5 16.5 3 15 0m 500m -4m 4m -2.5 2 $45.21 (HMC920LP5E)