20 MHz filter (CB6735E)

This 20 MHz bandwidth circuit was suggested by the National Semiconductor in 1970 documentation. Modern equivalent operational can be used.

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Signal Level Shifter (CB4931E)
The purpose of this circuit is to match two operational amplifiers that operate with different...
330 V power supply (CB6420E)
This low current circuit is suitable for powering the previous circuit and other strobe lamp...
LED Test Using the Oscilloscope (MSB008)
The LEDs act as diodes, so if good they will show the same characteristic curve. Arrangment shown...