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STD JEFT_Tester
License: Public Domain
Mode: Editors' pick
- 1
Update time：
2020-10-22 10:48:56
Creation time：
2020-10-19 11:07:16
Description
This circuit allows the Idss & Vp to be obtained from a JFET.
Please refer to the drawing to operate the Tester.
Idss current is obtained by measuring the current through R2, the voltage measurement across this resistor (100Ω) multiplied by 10 equals the current in milliamps.
The voltage developed across R1(1MΩ) creates the Vp voltage and corresponds directly to the Vp of the device.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | DC-006-165A | DC1 | DC-IN-TH_DC-006-165A | 1 |
| 2 | SK-12D02-VG5 | SW1,SW2 | SW-TH_SK-12D02VG3 | 2 |
| 3 | LED-0603_R | LED1 | LED0603_RED | 1 |
| 4 | JFET | DUT | SOT54 | 1 |
| 5 | HDR-M-2.54_1x1 | J5,J4,J3,J1,J2 | HDR-M-2.54_1X1 | 5 |
| 6 | 820 | R3 | R0603 | 1 |
| 7 | 100 | R2 | R0603 | 1 |
| 8 | 1M | R1 | R0603 | 1 |
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