Bias Tee指T型偏置器，也可理解为偏置电源，宽带放大器馈电电路高频受寄生电容参数影响，性能急剧下降，所以馈电需要采用偏置器，偏置器由超宽带、接近理想化、没有谐振点的高频电感和电容组成。

（一）Bias Tee  产品明细：




（二）以KU BT 271 N, Bias Tee为列进行解析

KU SG 2.45-200 A, Signalgenerator
技术规格
Frequency range	10..3000 MHz
Insertion loss	0.10..0.10 dB (typ.) @ 150 MHz
Insertion loss	0.50..0.50 dB (typ.) @ 1300 MHz
Insertion loss	1..1 dB (typ.) @ 3000 MHz
Voltage range	0..15 V DC
Current rating	1 A (max.)
max. RF power	20 W @ 144 MHz
max. RF power	5 W @ 435 MHz
max. RF power	1 W @ 2000 MHz
DC-connector	DC socket 2.1 mm
Input connector (DC output) / impedance	N-female, 50 ohms
Output connector / impedance	N-female, 50 ohms
Case	German silver
Dimensions (mm)	37 x 37 x 30
Weight	90 g (typ.)