a low cost scheme for capacitance measurement of a varactor diode operating at high reverse bias voltage using a capacitor network adaptor coupled to a standard LCR meter. With this scheme it is possible to measure the capacitance of the varactor diodes ranging from few pico farads to several ...
Stabilization of Class E amplifiers with a diode network Diode in the stabilization network is used to linearize the varactor effect seen on the output capacitance of the transistor. It stabilizes the amplifier ... A Eroglu - 《International Journal of Electronics & Communications》 被引量: 6发表...
电容值C Diode capacitance8.5pF @反向电压VR @Reverse Voltage3V 电容比 Capacitance ratio5.1 Description & ApplicationsHyperabrupt Tuning Varactors Description The SMV1247–SMV1255 series of silicon hyperabrupt junction varactor diodes are designed for use in VCOs with low tuning voltage operation. This ...
A varactor diode includes a junction 5 between a first region 4 of metal or semiconductor material and a higher resistivity second region 2 of semi-conductor material which surrounds the junction, and opposite to the junction an interface between the second region 2 and an insulating region 8, ...
VARACTOR DIODE HAVING A STEPPED CAPACITANCE-VOLTAGE PROFILEnot available for EP0722619Geddes, John J.Singh, Ronald R.
电容值CDiode capacitance 3.00pF-3.60pF @反向电压VR@Reverse Voltage 1V 电容值CDiode capacitance 1.8pF @反向电压VR@Reverse Voltage 3V 电容比Capacitance ratio 1.5-1.9 Description & Applications Hyperabrupt Tuning Varactors Description The SMV1232–SMV1237 series of silicon hyperabruptjunction varactor dio...
In this method, the capacitance of the varactor diode is changed by voltage. 文章详细介绍了一种225MHz-400MHz压控调谐滤波器的实现方法,该方法主要是通过电压改变变容二极管的电容,从而改变带通滤波器的中心频率,从而实现压控滤波。 3. In this paper,the design principles and methods of the super-abrupt...
A circuit is provided whereby varactor diode is placed in parallel with a capacitance of either the sample or reference cell of a dielectric constant detector. At least the circuitry for applying a voltage to the varactor diode is located outside of the oven in which a dielectric constant detec...
The back-to-back diode filter has a 1-dB bandwidth of 4.9 plusmn0.5% and an insertion loss of 2.9-1.25 dB (resonator Q of 56-125). The back-to-back diode filter was designed for improved linearity characteristics using two uniformly doped varactor diode and biased with a high impedance ...
Characteristics of an area-variable varactor diode Theoretical or Mathematical, Experimental/ capacitanceequivalent circuitsmicrowave diodessemiconductor device modelsvaractors/ area-variable varactor diode... DW Kim,JJ Lee,YS Kwon,... - 《IEEE Transactions on Microwave Theory & Techniques》 被引量: 10发...