Common gate stage (CB7470E)

This circuit for FET was obtained from a 1977 Radio Handbook. The input impedance is 150 ohm. The output is high impedance.

Power Voltage Follower with the 741 (CB11885E)
With this configuration we have a voltage follower, amplifier with unit gain, in which the output...
Sample and Hold (CB11542E)
This circuit is from the Linear Circuits Application of Texas Instruments, using an operational amplifier...
High impedance instrument amplifier (CB15801E)
This amplifier, suggested by National Semiconductor (Now Texas Instruments), has high input...