Category Archives: Control Electronics

Featured Posts

MAX1703 Single-Cell Boost Converter Circuit

When you design a circuit with only a single-cell battery, you will need boost-converter to provide enough voltage for most ...

Read More

55MHz Scope Sensitivity Amplifier

Scope sensitivity amplifier is a vital front-end signal processing for every scope instruments. The function of this circuitry is simple: ...

Read More

Two-Band Bxandall Active Tone Control

Using active circuit for tone control means that we can provide cut and boost, maintaining overall amplifying factor of original ...

Read More

Pulse Width (PWM) Controller Circuit

A LM3900 quad operational amplifier can be used to build a pulse width (PWM) controller. The LM3900 was chosen because ...

Read More

Small TV Modulator Using A Motorola MC1374

How can television modulator be small and simple like this? First, it uses integrated circuit, and the second, any TV ...

Read More

Darlington Pair Transistor Configuration

This a circuit of The Darlington Pair, on of popular transistor circuit configurations. Sometimes, this circuit is called the super alpha pair circuit. This circuit is used as power output stage. This circuit can give amplification of 10000 times. Here … Continue reading

Posted in Audio and Music, Control Electronics, Power Supply, Signal Processing | Tagged | Comments Off on Darlington Pair Transistor Configuration

Analog “Watchdog” Timer

The circuit on the following figure is not for power supply management, but serves to prevent lock-up in processor based systems. If the system misses an instruction due to transient hardware or software events, this could be occur. A predictable … Continue reading

Posted in Control Electronics | Tagged , | Comments Off on Analog “Watchdog” Timer

Power Failure Detection Trigger Memory Saving

Sometimes the power goes down and we unable to save memory content. When the power goer down, the memory save circuit can be used to save memory content. This is a very useful circuit because the AC line dropout detection … Continue reading

Posted in Control Electronics, Power Supply | Tagged , | Comments Off on Power Failure Detection Trigger Memory Saving

Power-On-Reset Generator

After supply turn-on, another power related requirement involves generating a system reset pulse. The 5V rail comes up when supply power is applied to figure below. The LT1004 clamps at 1.2V and C1A’s positive input (Trace B) ramps at a … Continue reading

Posted in Control Electronics, Power Supply | Tagged | Comments Off on Power-On-Reset Generator
« 1 2 3 4 5 6 7 8 9 10 11 12 ... 22 »