DS05- 7B (seven tube) superheterodyne radio debugging
On 2019-01-14 17:26:09 in Knownlege
This article writes about the DS05- 7B (seven tube) superheterodyne radio debugging ...
What are the main parameters of the varistor?
On 2019-01-09 13:22:09 in Resistors
This article describes the main parameters of the varistor. ...
What are the characteristics and parameters of the photosensitive resistor?
On 2019-01-08 15:44:42 in Generally electronic semiconductor
This article briefly introduces the characteristics and parameters of thephotosensitive resistor. ...
One of the special resistor:thermistor
On 2019-01-07 16:33:18 in Resistors
This article briefly introduces the thermistor ...
What are the common diodes?
On 2019-01-07 15:51:31 in Generally electronic semiconductor
This article describes three types common diodes ...
What is a varactor and how to detect it?
On 2019-01-04 10:52:48 in Generally electronic semiconductor
This article describes the basic principles of the varactor and detection of varactor ...
What are the performance characteristics of the piezoelectric ceramic buzzer and how to detect it?
On 2018-12-25 10:39:23 in Generally electronic component
This article briefly introduces the performance characteristics and detection of the piezoelectric ceramic buzzer. ...
What are the resistors functions,parameters and how to identify the resistance of the resistor?
On 2018-12-17 13:58:35 in Resistors
This article describes what are the resistors functions,parameters and how to identify the resistance of the resistor? ...
What are the main parameters of FET?
On 2018-12-15 12:01:33 in Generally electronic semiconductor
This article introduces the main parameters of FET. ...
Characteristics of White LED
On 2018-12-01 11:07:51 in Photoelectric
This article describes the characteristics of White LED ...
how to detect a two-way trigger diode?
On 2018-10-26 17:02:25 in Memory
use the multimeter to place the multimeter in the RX1~RX10kQ gear and measure the positive and reverse resistance of the bidirectional trigger diode ...
Variable capacitance diode, step recovery diode, bidirectional trigger diode
On 2018-08-24 10:57:12 in Relays
It is usually used to trigger bidirectional thyristors, or to form an overvoltage protection circuit. ...
What is the difference between resonant capacitor and filter capacitor?
On 2021-05-18 10:45:29 in Generally electronic semiconductor
This article describes the characteristics of the capacitor. ...
What are the basics of synchronizing RS triggers circuit and synchronous D flip-flops?
On 2019-11-30 10:48:06 in IC Chips
This article describes the characteristics of the triggers. ...
Do you know how to design printed boards and system wiring?
On 2019-08-24 11:42:49 in Generally electronic component
This article describes the characteristics of the printed boards and system wiring. ...
How to use a mechanical multimeter?
On 2019-01-27 14:43:12 in Technology
This article introduces how to use a mechanical multimeter. ...
Headphones and piezoceramic buzzers
On 2019-01-05 13:30:31 in Generally electronic component
This article describes the headphones and piezoceramic buzzers ...
How to detect a transformer?
On 2018-12-20 11:11:48 in Generally electronic component
This article describes how to detect a transformer. ...
Headphones and piezoceramic buzzers
On 2018-11-03 15:17:06 in Memory
Headset is also an electro-acoustic conversion device,which is similar in structure to an electric speaker,it is also composed of magnet,voice coil,vibrating diaphragm, etc,but the voice coil of the earphone is mostly fixed ...
How to detect leakage of electrolytic capacitors
On 2019-11-11 10:27:55 in Capacitors
This article describes the characteristics of detecting leakage of electrolytic capacitors ...
IO chip and clock chip on the computer motherboard
On 2019-02-14 10:55:13 in IC Chips
This article writes about the IO chip and clock chip on the computer motherboard ...
The surface components welding points
On 2019-01-15 13:25:53 in Knownlege
This article describes the surface components welding points ...
How to disassemble electronic component?
On 2019-01-15 10:39:49 in Knownlege
This article describes how to disassemble electronic component ...
How to disassemble electronic component?
On 2019-01-12 15:53:31 in Knownlege
This article describes how to disassemble electronic component ...
What is the main process technology of RF power amplifier?
On 2020-03-13 09:59:43 in IC Chips
This article describes the characteristics of the RF power amplifier. ...
What is the main process technology of RF power amplifier?
On 2020-01-11 10:50:21 in IC Chips
This article describes the characteristics of the RF power amplifier. ...
Integrate the clock generator into the microcontroller
On 2019-05-07 16:33:50 in Knownlege
Accurate clock signals are a prerequisite for reliable communication - whether by radio or by wire. With the ever-increasing demand for data transmission, the previous approach has reached its limit. ...
How to Identify True and Fake Electronic Components
On 2018-12-20 13:16:43 in Knownlege
This article introduces how to identify true and fake electronic components ...
Welding of printed circuit boards
On 2018-12-13 10:45:44 in Technology
This article briefly introduces the welding of printed circuit boards ...
Specific use of multimeter in ATX power maintenance.
On 2019-04-18 14:50:01 in Knownlege
This article briefly introduces the specific use of multimeter in ATX power maintenance. ...
Operational Amplifier Bias Resistor Calculation
On 2023-03-09 12:08:28 in Resistors
Calculating bias resistor for operational amplifiers involves determining input signal, desired gain and input impedance to get the most out of op amp circuit. ...
What is the reverse protection circuit and the anti-reverse protection circuit?
On 2019-08-13 10:28:29 in Generally electronic component
This article describes the characteristics of the Circuit Protection. ...
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 quartz crystals and make emergency repairs?
On 2018-12-28 15:51:07 in Generally electronic component
This article introduces some ways to detect quartz crystals and make emergency repairs ...
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 a relay?
On 2018-12-15 15:06:06 in Relays
This article briefly introduces the classification of relays ...
Two,bi-directional thyristor
On 2018-10-31 11:22:11 in Generally electronic semiconductor
Bidirectional thyristor is a new semiconductor device developed on the basis of unidirectional thyristor ...
Transistor FET
On 2018-08-24 11:08:36 in Relays
The appearance of the public field effect transistor is shown in Fig.First, the classification of FET. ...
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. ...
What are the design challenges and effective solutions for high-voltage battery packs?
On 2021-07-28 10:45:01 in Photoelectric
This article describes the characteristics of the battery. ...