The D7343 phase-locked loop stereo decoding circuit is similar to the D3361 internal circuit. The difference is that the D7343 uses a trigger to control the stereo switch to be turned on. When the composite signal is small, the flip-flop does not flip, and then becomes mono. This way is controlled. The signal-to-noise ratio of the stereo decoder of the switch is better than that of the same type of decoder. The S/N is greater than 74DB.D7343. Because the internal circuit adopts measures, the peripheral circuit does not need to separate and adjust the potentiometer, as long as the voltage and phase of the oscillation are controlled. Get the ideal resolution, the resolution is also 2~3DB higher than the similar decoder, D7343 input signal dynamic range is large, input
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Aluminum PCB , it's the PCB that use Aluminum as the base material and very commonly used in LED products and other electronics products since aluminum is the material have high heat dissipation.
PCB = printed circuit board and PCBA = printed circuit board assembly. For PCB, it means the copper circuits be printed on a board, and so the main composition of PCB are copper and board.
The copper is the circuits material and the circuits designed by the PCB designers. Depends on the current in the circuits, the PCB copper thickness could be done with 0.5oz-10oz. But the PCB designers need be noted that the copper track width/space need be enlarged with the thickness. For example, the minimum copper track width/space could be 3mil/3mil with 0.5oz, but would be 4mil/4mil with 1oz.
The PCB board could be rigid PCB, could be flex PCB and also could be Flex-Rigid PCB. And the materials could be FR4, PI, Aluminum, Copper-based, Rogers, Teflon, etc. They have different applications. For example, FR4 PCB is the most commonly used for rigid PCB and almost good for all electronics products; PI is the most commonly used for flex PCB; Aluminum and copper-based have good thermal diffusivity and always used for LED PCB ; Rogers PCB and Teflon PCB are always used for High Frequency PCB, etc.
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PCB Manufacture Capabilities
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Features |
Capabilities |
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Layers |
1-36 layers |
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Material |
FR-4, Aluminum, Copper, Polyimide, high frequency (Rogers, PTEE, PI), etc. |
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PCB Type |
FR-4 Standard PCB , Aluminum PCB, Copper-based PCB, HDI PCB , Rigid-Flex PCB, Flex PCB, Thick Copper PCB and Rogers PCB, etc. |
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Board Thickness |
0.1mm-6.0mm |
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Copper Thickness |
1/2oz-6oz(18um-210um) |
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Biggest Board size |
600mm*1200mm |
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Min Tracing/Spacing |
0.075mm/0.075mm (3mil/3mil) |
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Min drilling Hole diameter |
0.15mm(6mil), 0.1mm(4mil)-laser drill |
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Solder Mask |
Green, Black, White, Red, Yellow, Blue and Purple, etc. |
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Silkscreen color |
White, Blue, Black, Red, Yellow |
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Surface finish |
HASL Lead free, Immersion Gold (ENIG), Immersion Tin, Immersion Silver, OSP, Carbon oil, etc. |
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Special Techniques |
Impedance Control, Gold Fingers, Blind/Buried vias, Peelable solder mask, Half holes, Via-in-Pad and Countersink hole, etc. |
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Aluminum PCB
Aluminum PCB,Aluminum PCB Prototyping,Aluminum Clad PCB,Aluminum Base PCB
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