June 7th, 2009
Home Theater Products Datasheet consist of two major component, there are AV Receivers and DVD Receivers. Nowadays, new digital audio formats have a great deal to offer consumers in terms of higher fidelity. But it presented engineering dillemas concerning digital connectivity, content protection, compatibility with new decoding standards and the need for higher data rates throughout the entire audio chain (click to enlarge the image). [...]
October 7th, 2009
July 12th, 2009
June 7th, 2009
June 8th, 2009
NE-555 timer IC was being introduced around May 1971 by the Signetics Corporation, to become known as the NE-555 / SE-555, and was also the very first very mass-produced commercially produced timer IC available at that time. Philips semiconductor was then introduced this 555 timer in mid 1972. Its characteristics for versatility, stability, low cost, simplicity to produce long time delays in a variety of applications, make Electronic Engineers, Circuit Designers from mechanical timers, op amps, and various discrete circuits into the ever increasing ranks of timer users. [...]
August 17th, 2012
The TDA5140A device is a bipolar integrated circuit which commonly used to draw 3-phase brushless DC motors in full-wave mode. This Brushless DC motor drive device is sensorless using the back-EMF sensing technique to sense the rotor position. This device used to be apply in applications such as VCR, laser beam printer, fax machine, blower, automotive. [...]
August 15th, 2012
A: Apply momentary ground to reset hours to zero.
B: When using the MTH6 with inductive loads, we recommend installing a suppression diode across all coils.
C: Terminals 4 and 8 may be grounded on negative ground power supply.
D: Alternator must be equipped with a tach terminal (auxiliary AC terminal).
E: Connecting full battery potential to terminal 9 can cause damage
to the switchgage. Shutdown circuit is rated for 300 mA continuous. Circuit grounds out at set point. [...]
August 14th, 2012
Integrated laser drivers is recommended for fast switching, since signal changes will move faster because of reduced wiring line inductance and capacitance. The use of integrated laser driver circuit gives some benefit such as: output power stability improvement, board space reduction, error monitoring, better dynamic performance, and MTBF reliability improvement. [...]
August 10th, 2012
By controlling the size of the resistor in one of the four filters the frequency could be adjusted. In order to get the correct size signal, the we must use a potentiometer to be placed to the one of the resistors while also measuring oscilloscope’s output. This will be used to know what size of resistor should be worked at 60Hz. [...]
August 8th, 2012
The schematic diagram shows NCP1034 demo board which is designed with many options. You can see such a linear regulator which has function for powering the IC with Zener diode, compensation circuit of second or third type, ceramic or electrolytic output capcitors and various input capacity. [...]