Multi-stage amplifier (T443E)

This circuit was found in MIT documentation. The multi-stage circuit is designed to amplify weak signals for analysis on an oscilloscope.

Frequency Divide-by-10 TTL - Circuit Using the 7490 (CB253E)
TTL square signals can be divided by 10 using this circuit. The maximum frequency depends on the...
Analog/Digital Switch Using the 4016/4066 (CB185E)
The 4066 is better than the 401 B because the 401 B has a lower internal resistance when the...
Voltage Controlled Ramp Generator with PUT (CB1539E)
We find this circuit in a 1974 Motorola PUTs (Unijunction Programmable Transistors) documentation. The circuit...