Picotest
Picotest J2130A DC Bias Injector
Picotest J2130A DC Bias Injector
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Key Features
- Easily measure varactors, junction capacitance
- Measure X5R capacitor voltage sensitivity
- Bias low power transistor amplifiers and diodes for parameter extraction
Overview
Provides a DC bias to a device being tested. This is often necessary when using a Vector Network Analyser to measure impedance, capacitance and the capacitor's ESR.
When using the network analyzer to measure impedance, such as the capacitance and ESR or a capacitor, or the DCR of an inductor, etc., it is often necessary to provide a voltage bias to the device being tested. This is true of semiconductor junction capacitances, varactors, and some ceramic capacitors (especially X5R). In these cases the impedance is a function of the DC bias on the device. The Picotest DC bias injector (J2130A) is used for this purpose during impedance measurements.
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