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Two gates of a Quad 4093 are utilized in an astable multivibrator configuration. CI is a three-gang 365 pF variable capacitor with its sections connected in parallel. Additionally, S3 and S4 serve to switch in optional extra capacitors. The described...
For simple electronic circuits, it may be sufficient to gain qualitative insights on dedicated electrical signals. This interface circuitry allows the line-in input of a standard PC sound card to be utilized as a 2-channel oscilloscope. Although this setup...
This process can be simplified by utilizing a display kit from PJRC, which includes the appropriate firmware installed on the display, a functioning pushbutton board, and the necessary cables. The PJRC display features a 4-pin connector compatible with the...
A 1500A-7V phase thyristor power regulator circuit is designed for plating applications. It consists of three major components: the main circuit, the control circuit, and the protection circuit. The control circuit includes a trigger circuit, a synchronous power supply,...
Figure 1-42 (a) is a voltage/current conversion circuit that converts a 0-10V input voltage into a 4-20mA output current. Adjusting resistor RP2 can set the input voltage (Ui) to 0V, resulting in an output current (I) of 20mA; similarly,...
The circuit depicted in Figure 5-60 and Figure 6 utilizes an operational amplifier (op-amp) configured as a channel pre-amplifier to address the signal loss introduced by the tone control circuit. Additionally, another group of op-amps forms a channel-driven stage...
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