Current to voltage converter for grounded loads (CB9338E)

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

High Speed Circuit Breaker (CB6077E)
This circuit is from a 1980s Motorola documentation. The circuit can be made with modern...
Shadow Relay (CB1305E)
This well-known circuit triggers a relay when light striking the phototransistor is cut off. The...
CMOS Intermittent Siren (CB19231E)
This circuit generates a pulsed tone whose frequency depends on C2 and whose flashing depends on...