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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.
Key features:
Rated data:
| Maximum DC Bias | 50V |
|---|---|
| Bias Resistance | 10kΩ |
| Maximum Bias Current | 5mA |
| Frequency Response | 15Hz…40MHz |
| Temperature range | 0…50°C |
| Maximum Altitude | 1850m |
| Absolute Maximum Differential Voltage | <50V DC |
| Absolute Maximum Voltage | <50V AC and 75V DC |
Connection diagram:

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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.
Key features:
Rated data:
| Maximum DC Bias | 50V |
|---|---|
| Bias Resistance | 10kΩ |
| Maximum Bias Current | 5mA |
| Frequency Response | 15Hz…40MHz |
| Temperature range | 0…50°C |
| Maximum Altitude | 1850m |
| Absolute Maximum Differential Voltage | <50V DC |
| Absolute Maximum Voltage | <50V AC and 75V DC |
Connection diagram:

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