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RF-T-Inverter.php    6198 Bytes    22-03-2022 19:27:16



The assembled prototype

✈ Motivation

This is a Building Block for our Quantum Experimenters. It has turned out, that, unless our Quantum Computer is running at full speed, such Arithmetic Modules still are very useful for some side experiments.

Also a lot of former members ask for such devices - so here it is ...

✈ Functional Description

This is a classical Inverter with Operational Amplifiers. The Inputs are buffered with an OP37 (Ultralow Offset Voltage Operational Amplifier). They present an input Impedance of 100 kΩ (Potentiometer) whilst maintaining a low output Impedance.

If more speed is necessary, they mayst be exchanged. We used sockets for all of the DIL-8 circuits. (This also allows for fast repair - just in case :-)

Finally, another OP37 inverts the buffered and scaled input. Its Gain is 3 to compensate for the voltage divider.

All Inputs and outputs span a range from - 10 V upt to + 10 V. Speed varies with used OPAMP and selected GAIN.

✈ Accessories

• Power Supply, e.g. Leomod
• Lemo Cable, e.g. this or that.

✈ Downloads

✈ Performance

With the assembled OP037 and using small signals, they are fast ...

Increasing amplitude to max, degradation starts above 200 kHz due to Slew Rate limitations.

✈ Share your thoughts

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t1 = 6586 d

t2 = 200 ms

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