Current to voltage converter for grounded loads (CB9338E)

Found in an Electronic Design from the 90s, this circuit uses components from that time.

High impedance preamplifier stage (CB4683E)
In the figure we have a high input impedance stage with a general purpose PNP transistor. An NPN transistor...
Divider by 5 4 or 3 (CB6899E)
We found this circuit in documentation from Ferranti from 1968. The circuit uses transistors from that...
Temperature Indicator (CB14003E)
This thermometer, which uses common diodes as sensors, was found in a 1975 magazine -...