Unit Gain Stage (CB6157E)

This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms output. Input impedance is 1 M ohm.

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Voltage Divider for Dual Supply (CB400)
This circuit split the voltage of a Power supply allowing it to be used as dual supply. The limit...
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In the figure we have a simple timer with two voltage comparators of the four of an LM339. The...
TTL Optical Sensor Shield (CB6031E)
This circuit allows coupling optical signals to a TTL input with excellent performance. Among the...