The Littlest Giant: Transistors... Mighty Mites of Electronics! - Well transistors are solid devices, Unlike vacuum tubes. A remarkable Metal called germanium does the job. The transistor amplifies current by Adding electrons as electricity flows Through its germanium crystal. There Are no filaments to burn out, no
Glass to break.
Resi and Transi Banish the Mysteries of Electronics. they explain how to build a few practical circuits, a continuity tester, a morse-code beeper and an amplifier. Even an extremely useful gadget, 'The Resimeter'.
Archie And The History Of Electronics, 1990, Radio Shack. Archie and friends, in traditional 90s style, speak of the history for electronics; revolutionary devices that made calling, texting and the like possible.
Supplementary to EMI/RFI/EMC Immunity of an Equipment. Many Installations are subject to Highly Disruptive Electrical Environment not just EMI. Depending on the budget and the situation a solution has to be found. Sometimes a CVT or an Isolation Transformer can do a lot of good.
Converting all Energy inputs to battery energy and having a Isolated Synthetic Sine Supply may be an expensive but good solution. Either way the devices that face the harsh environment have to be over rated along with these protections.
- delabs design Notes
An Excellent way to expand your A/D convertors I/O capability. Multiple Analog Inputs can be routed to a single Opamp or Analog Input of a uC or uP System. Use protection Zeners or clamping inputs.
This is a booklet published by National Semiconductor that lists many applications for their various "quad" - 4 circuits in one chip - devices.
Voltage Controlled Oscillators, up-down staircase generator, time delays, limit comparators, and so on, all made with quads containing amplifiers or comparators. Here is a new concept of not only using the advantages shown for the digital world, but the ability to use simple quad linear devices to build more complex circuits.
These devices consist of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible, as long as the difference between the two supplies is 2 V to 36 V, and VCC is at least 1.5 V more positive than the input common-mode voltage.
Lab Experiments using A/D and D/A cards. PC Interface. Using Matlab, Learning PID control. DC Motor control. Hovercraft project with PWM and Fans as Actuator of control system, Uses NIDAQ Interface.
"The goal is a site where the learning of electronics is hands-on and fun. And the SPICE circuit simulator is a great software tool to achieve that goal. It hit me the first time I used SPICE - simulating is fun! And because it's easy to use, I've spent a lot of time building and exploring circuits." - Rick
These devices are low cost, high speed, dual JFET input operational amplifiers with an internally trimmed input offset voltage. They require low supply current yet maintain a large gain bandwidth product and fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents.
LF353 - Wide Bandwidth Dual JFET Input Operational Amplifier
OSHW Draft Definition 0.3 is based on the Open Source Definition for Open Source Software and draft OSHW definition 0.2, further incorporating ideas from the TAPR Open Hardware License.
Open Source Hardware (OSHW) is a term for tangible artifacts - machines, devices, or other physical things - whose design has been released to the public in such a way that anyone can make, modify, distribute, and use those things.
The set 4N35, 4N36, 4N37 are popular and versatile optocouplers for isolation of circuit blocks. The most important feature is the Isolation test voltage 5000 VRMS that means 5KV. But PCB Design is very important to get this isolation for your products too.
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