The JFET in this circuit effectively multiplies the value of R1
| Authors | Julius Foit |
| Main Document | Article «Solve low-frequency-cutoff problems in capacitive sensors» |
| Description | Figure 1 |
| File Format / Size | PDF / 13 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Solve low-frequency-cutoff problems in capacitive sensors»
- Figure 1. The JFET in this circuit effectively multiplies the value of R1
- Figure 2. The second JFET, Q2, in this circuit replaces R2 in the circuit of Figure 1
- Figure 3. An operational amplifier provides yet another means to achieve high impedance for capacitive sensors
