Test Coupon

Gigafirm TEST Coupon "GT"

GT-4 TEST Coupon

At the time of the FPGA board development which equips high-speed wiring, Test coupon is designed by the same Substrate and a wiring configuration. 

GT4 is imitating the conditions of PCI express. It is applicable to FPGA, SFP+, SATA, SAS, CLOCK, LVDS, and LVPECL. AMF2013 session. 

E5071C TDR measurement result .Single end   Coaxial structure VIA . differential wiring GSSG impedance matching 

GT4 / OKI TANAKA PCB design / BD 

GT4 / ADS MOMENTUM / TRANGENT

GT-3 TEST Coupon

GT3 TEST-Coupon No.1 L1-L8-L8-L1

GT3 TEST-Coupon PCB


GT3 TEST-Coupon SMA CABLE & TEST POINT

ADS LAYOUT GT3 Stripline L1--L8-L8-L1


VIA Model

GT3 Stripline L1--L8-L8-L1  S-Parameter (ADS)

 

Stripline L1--L8-L8-L1  10 Gpbps Eye Pattern(ADS) MicroStripline L1--L3-L3-L1 10 Gpbps Eye Pattern(ADS)


GT-2 TEST

-GT1-KAIZEN Improvement design 

GT-1 TEST

 -A SMA connector is used for FPGA SerialIO, CLK, ADC, and DAC on a substrate. 

 -The composition of Single End VIA was analyzed.

 -Substrate   Layer composition 

 -layout image


-An analysis result is next time. 

Gigafirm Research and development

From the developer viewpoint, the simulation of the subject which was a question is carried out, and the test coupon is created and verified. The contents will be exhibited from now on.

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