IO-Port Expanders Offer Flexibility in MCU-Based Designs
On 2023-02-24 14:17:20 in IC Chips
IO Port Expander ICs provide flexibility in MCU system designs by allowing easy external access to high density of IO channels, enabling adjustments to features such as pull-up/down resistors and drive strengths. ...
Frequency response of audio transformer and high frequency transformer
On 2018-08-23 11:11:57 in Sensor
The nominal power of the output transformer is generally greater than the nominal power of the transformer, and the shape structure and circuit symbols are similar to the transformer. ...
MCU-Crystal Reset Circuit and Power Supply
On 2023-03-15 13:26:20 in Generally electronic semiconductor
A crystal reset circuit with a carefully chosen power supply is used for providing an exact clock frequency for MCU and filter applications, ensuring accuracy and reliability. ...
Identification and detection of active resistance elements
On 2018-08-22 11:08:45 in Relays
Resistance is one of the most common and basic electronic components. ...
Do you know how is the green laser produced?
On 2021-04-12 10:44:40 in Crystals Oscillators/Resonators
This article describes the characteristics of the green laser. ...
Why increase the electromagnetic compatibility of medical electronic devices?
On 2019-08-01 11:30:47 in Technology
This article describes the characteristics of the electromagnetic compatibility. ...
Notes on FPGA pin adjustment
On 2023-03-18 11:50:26 in IC Chips
Adjusting FPGA pins is essential for creating functional IC chips, reducing costs and improving reliability. It is important to remember various points before adjusting the pins, such as current, impedance, temperature, direction and performance testing. ...
How to detect positive temperature coefficient thermistor PTC.
On 2019-06-04 16:23:31 in Resistors
This article briefly introduces the method of detecting positive temperature coefficient thermistor PTC. ...
How to use the OTC700 series automobile digital multimeter correctly.
On 2019-04-18 14:24:01 in Knownlege
This article briefly introduces the use of OTC700 series automobile digital multimeter. ...
Function of digital multimeter diode block.
On 2019-04-13 14:33:53 in Knownlege
This article briefly introduces the function of digital multimeter diode block. ...
What are the principle,types and main technical parameters of a switch?
On 2019-01-08 10:56:57 in Generally electronic component
This article describes the principle,types and main technical parameters of a switch ...
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
This article introduces some ways to test and repair the rectifier bridge ...
How does a junction field effect transistor be detected?
On 2018-12-17 14:03:59 in Generally electronic semiconductor
This article describes how to detect a junction field effect transistor. ...
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
This article introduces what is an optical coupler and how to measure it ...
Five.Optocoupler
On 2018-10-31 11:35:12 in Generally electronic semiconductor
Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...
How to measure the optocoupler?
On 2018-10-27 10:43:42 in Photoelectric
Because the way of the optical coupler is not the same,so the test should be based on different structures for measurement and judgment. ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
Common field effect transistor Slice field effect transistor
On 2018-08-28 17:24:04 in Relays
Low power field effect transistor, low power field effect transistor, high input impedance, low driving current, with low noise characteristics ...
What is the structure of the moving coil microphone and how to detect it?
On 2019-01-02 15:05:41 in Knownlege
This article describes the structure and detection of the moving coil microphone ...
What are the methods for reducing errors in resistance detection with a pointer multimeter?
On 2019-02-14 10:47:00 in Resistors
This article describes the methods for reducing errors in resistance detection ...
Combinational Logic Circuit Analysis
On 2023-03-17 14:11:18 in IC Chips
IC chips are electronic components composed of transistors, diodes and logic gates used in electronic systems for various operations. ...
What is the effect of RS-485 in communication cables?
On 2023-05-16 12:00:35 in IC Chips
This article describes the characteristics of the cables. ...
Simple function generator circuit
On 2018-12-27 11:22:15 in Knownlege
This article describes the Simple function generator circuit ...
What are the common faults of the digital multimeter and how to fix it after the fault?
On 2019-01-27 15:09:34 in Technology
This article writes about the digital multimeter common faults and maintenance. ...
Effect of resistance
On 2018-12-03 13:42:35 in Technology
This article describes the effect of resistance ...
How to detect and replace the solenoid valve?
On 2019-01-08 10:12:19 in Technology
This article describes the method of detect and replace the solenoid valve ...
What is the main parameters and model naming method of inductors?
On 2019-01-07 16:57:59 in Inductor
This article describes the main parameters and model naming method of inductors ...
How to detect and repair ceramic filters?
On 2018-12-20 14:47:43 in Generally electronic component
This article describes how to detect and repair ceramic filters ...
What is the structure and main parameters of the electromagnetic relay?
On 2018-12-18 15:17:36 in Relays
This article describes the structure and main parameters of the electromagnetic relay ...
Identification and detection of semiconductor triode.
On 2018-12-14 13:40:36 in Generally electronic semiconductor
This article describes the identification and detection of semiconductor triode. ...
The type and technical index of the moving-coil microphone
On 2018-11-01 14:13:26 in Generally electronic component
The type and detection method of microphone is a device that converts sound energy into an audio Telecom number,also called a microphone ...
Identification and detection of semiconductor triode
On 2018-10-30 10:53:09 in Generally electronic semiconductor
The triode transistor, also called a semiconductor triode, also called a bipolar transistor and a crystal triode ...
Electrical parameters and CMOS circuit of TTL circuit
On 2018-08-23 11:21:20 in Sensor
the load capacity of the circuit, that is, the fan out coefficient, should be considered so as not to affect the normal operation of the circuit. ...
Main parameters of inductors
On 2018-08-22 12:34:29 in Relays
The main parameters of inductors include inductance, permissible deviation, quality factor, sectional capacitance and rated current. ...
How to reduce errors in detecting DC currents?
On 2019-02-13 11:44:47 in Technology
This article describes the method of reducing errors in detecting DC currents. ...
Board soldering considerations
On 2018-12-11 13:46:32 in Technology
This article describes the board soldering considerations ...
Multi-turn potentiometer and single-turn potentiometer
On 2018-12-10 11:01:32 in Knownlege
This article briefly introduces multi-turn potentiometer and single-turn potentiometer ...
What are the RS-422 and RS-485 serial interface standards?
On 2022-02-24 11:00:56 in Connector
This article describes the characteristics of the RS-422 and RS-485 serial interface. ...
How to repair and replace the potentiometer?
On 2018-12-18 16:32:39 in Resistors
This article describes the repair and replace of the potentiometer ...
What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
This article introduces some common transistors ...