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Home Impedance Controlled PCB 90 Ohm Impedance Controlled | Single End Differential Impedance Printed PCB Board

90 Ohm Impedance Controlled | Single End Differential Impedance Printed PCB Board

This is a type of 10-layer PCB circuit board built on FR-4 substrate with Tg 180°C for the application of signal generator.

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  • Price Range:1 - 50/$99
  • Price Range:1 - 50/$1.9
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Printed Circuit Board with 90 Ohm Impedance Controlled | Single End Impedance Differential Impedance PCB Board

(Printed Circuit Boards are custom-made products, the picture and parameters shown are just for reference)

1.1 General Description:

It's 1.6 mm thick with white silkscreen(Taiyo) on green solder mask (Taiyo) and immersion gold on pads. It's also an impedance controlled PCB with single-end impedance in inner layers and differential impedance controlled on top and bottom layer. The base material is from ITEQ. They're fabricated per IPC 6012 Class 2 using supplied Gerber data. Each 25 boards are packed for shipment.

Impedance table

1.2 Features and Our Advantages:

1) High Tg materials shows excellent thermal reliability and CAF resistance providing long-term reliability for industrial and automobile application.

2) Gold pads have good oxidation resistance and good heat dissipation.

3) UL, ISO14001, IATF16949 certified factories

4) Higher than 98% on-time-delivery rate.

5) Customer complaint rate: <1%

6) No minimum order quantity. 1 piece is available

1.3 Applications:

Modems, Data Logger, Wireless N Router, Modem Router Wireless, 24V Transformer, 3G USB, PLC Program, Embedded Development, Master Module, Computers

1.4 PCB Data Sheet:

PCB SIZE 99.1 x 105.3mm=1PCS
Number of Layers 10 Layers
Surface Mount Components YES
Through Hole Components YES
LAYER STACKUP copper ------- 17.5um(0.5oz)+plate TOP Signal
4mil prepreg 2113
copper ------- 35um(1oz) GND Plane
5mil FR-4
copper ------- 18um(0.5oz) SIG1
5mil prepreg 2116
copper ------- 18um(0.5oz) SIG2
5mil FR-4
copper ------- 35um(1 oz) PWR Plane
13mil prepreg 7628 + 1080
copper ------- 35um(1 oz) GND Plane
5mil FR-4
copper ------- 18um(0.5oz) SIG3
5mil prepreg 2116
copper ------- 18um(0.5oz) SIG4
5mil FR-4
copper ------- 35um(1oz) GND Plane
4mil prepreg 2113
copper ------- 17.5um(0.5oz)+plate BOT Signal
Minimum Trace and Space: 4mil/4mil
Minimum / Maximum Holes: 0.3/5.5mm
Number of Different Holes: 31
Number of Drill Holes: 3532
Number of Milled Slots: 0
Number of Internal Cutouts: 0
Impedance Control Single-Ended Trace Width: L3 / L4 / L7 / L8 --- 4mils --- 56 ohm, L3 / L4 / L 7 --- 6mils --- 49 ohm; Differential impedance: L1 --- 4 mils / 4 mils --- 90 ohm; L10 --- 4 mils / 6 mils --- 100 ohm
Glass Epoxy:  FR-4, ITEQ IT-180 TG>170, er<5.4
Final foil external:  1oz
Final foil internal:  0.5oz
Final height of PCB:  1.6mm ±0.16
Surface Finish Immersion Gold (12.8%) 2µ" over 100µ" nickel
Solder Mask Apply To:  Top and Bottom, 12micon Minimum.
Solder Mask Color:  Green, PSR-2000GT600D, Taiyo supplied
Solder Mask Type: LPSM
Side of Component Legend TOP and Bottom.
Colour of Component Legend White, IJR-4000 MW300, Taiyo Supplied.
Manufacturer Name or Logo:  Marked on the board in a conductor and leged FREE AREA
VIA Plated Through Hole(PTH), Via in Pad and via tented and not be visible.
Outline dimension:   0.0059" (0.15mm)
Board plating: 0.0030" (0.076mm)
Drill tolerance:  0.002" (0.05mm)
TEST 100% Electrical Test prior shipment
TYPE OF ARTWORK TO BE SUPPLIED email file, Gerber RS-274-X, PCBDOC etc
SERVICE AREA Worldwide, Globally.

Impedance Controlled PCB

1.5 Single ended (line) impedance, Differential impedance:

Definition of Characteristic Impedance

At a certain frequency, relative to a reference layer, the resistance of its high-frequency signals or electromagnetic waves in the process of transmission is called the characteristic impedance, which is the vector summation of electrical impedance, inductive reactance, capacitance resistance.

The classification of characteristic impedance

Common characteristic impedance is divided into:(1)Single ended (line) impedance; (2) Differential impedance and (3) coplanar impedance, etc.

Single ended impedancerefers to the measured impedance of a single signal line.Differential impedancerefers to the impedance measured between the two transmission lines with equivalent width and spacing in differential drive.Coplanar impedancerefers to the impedance measured when the signal line is transmitting between its surrounding GND / VCC (the space between the signal line to GND / VCC on both sides is equal).

differential impedance

The Determinant Condition Required for Impedance Control

When the signal is transmitted in the PCB conductor, if the length of conductor is close to the 1/7 of the signal wavelength, then the conductor at this time becomes a signal transmission line, the other general signal transmission lines are required to be done with impedance control. Whether it is required to control the impedance in PCB production is based on the customer's requirement, if the customer requires that a certain line width need to be done with impedance control, it is required to control the impedance of the line width in production.Three basic elements of impedance match are the output impedance (the original active parts), the characteristic impedance (signal line), the input impedance (passive parts) (PCB board)

impedance test coupon

More Displays of Impedance Controlled PCB:

 impedance PCB material  impedance PCB board  impedance PCB circuit board  impedance PCB substrate




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