PCB Reverse Engineering technology is used to reversely analyze the printed circuit board, and to acquire the Layout Drawing, Gerber File, Bill of materials (BOM), Schematic diagram and designators drawing are restored in the aspect ratio of 1:1, and then these technical documents and production files are used for PCB board remanufacturing, component soldering, flying probe testing, circuit board debugging, and complete replication of the original circuit board.
In a high performance sampled data system a low phase noise crystal oscillator should be used to generate the ADC Sampling Clock in Lambda Control Board Reverse Eng because sampling clock jitter modulates the analog input/output signal and raises the noise and distortion floor. The sampling clock generator should be isolated from noisy digital circuits and…
Digital Ground Plane of PCM PC Board Cloning The buffer register and other digital circuits should be grounded and decoupled to the Digital Ground Plane of PCM PC Board Cloning. Notice that any noise between the analog and digital ground plane reduces the noise margin at the converter digital interface. Since digital noise immunity is…
ADC Digital Output in ECU Board Reverse Engineering ADC Digital Output in ECU Board Reverse Engineering is important for the whole design process, as a result of that, it is always a good idea to place a buffer register adjacent to the converter to isolate the converter’s digital lines from noise on the data bus.…
Analog Ground Plane Design in Cloning PCB Sensitive analog components such as amplifiers and voltage references are always referenced and decoupled to the Analog Ground Plane Design in Cloning PCB. The ADCs and DACs (and other mixed-signal ICs) with low digital currents should generally be treated as analog components and also grounded and decoupled to the analog…
Ground Plane Design in Circuit Board Reverse Engineering Ground planes also allow the transmission of high speed digital or analog signals using transmission line techniques (microstrip or stripline) where controlled impedances are required, as a result of that, Ground Plane Design must be taken into consideration of Circuit Board Reverse Engineering. The use of “buss wire”…
Soldering Integrated Circuit Ground Pin in PCB Reverse Engineering All soldering integrated circuit ground pin in PCB Reverse Engineering should be soldered directly to the low impedance ground plane to minimize series inductance and resistance. The use of traditional IC sockets is not recommended with high speed devices. The extra inductance and capacitance of even…
Shift Light Module Card Cloning Ground planes on Shift Light Module Card Cloning also allow the transmission of high speed digital or analog signals using transmission line techniques (microstrip or stripline) where controlled impedances are required. The use of “buss wire” is totally unacceptable as a ground because of its impedance at the equivalent frequency…
Fuel Cut Defencer PCB Board Reverse Engineeirng Related to the star ground system discussed earlier is the use of a ground plane on Fuel Cut Defencer PCB Board Reverse Engineeirng. To implement a ground plane, one side of a double-sided PCB (or one layer of a multilayer one) is made of continuous copper and used…
Separate AGND & DGND Through Reverse Engineering Circuit Board Note also that many ADCs and DACs have separate analog ground (AGND) and digital ground (DGND) pins through Reverse Engineering Circuit Board. On the device data sheets, users are often advised to connect these pins together at the package. This seems to conflict with the advice to connect…
Restore PCB Board to Separate Analog and Digital Grounds As a fact of life, digital circuitry is noisy. Saturating logic, such as TTL and CMOS, draws large, fast current spikes from its supply during switching. However, logic stages, with hundreds of millivolts (or more) of noise immunity, usually have little need for high levels of…