Op-amp solution requires four amplifiers comprising two Howland current pumps, a differential amplifier, and a boatload of precision resistors; it is also DC coupled
| Authors | Stephen Woodward |
| Main Document | Article «Simultaneously control gain on two independent channels with a single element pot» |
| Description | Figure 1 |
| File Format / Size | PDF / 12 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Simultaneously control gain on two independent channels with a single element pot»
- Figure 1. Op-amp solution requires four amplifiers comprising two Howland current pumps, a differential amplifier, and a boatload of precision resistors; it is also DC coupled
- Figure 2. Discrete solution consists of four transistors comprising three current sources and a differencing stage and is AC coupled
