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Description
ploar CITS880s v22.07
Finer geometries and thinner copper can present a challenge for fabricators measuring impedance on leading edge PCBs. The CITS880s answers that challenge with the introduction of Launch Point Extrapolation (LPE). LPE extrapolates the TDR response back to a point close to the start of the transmission line effectively allowing to users more accurately to measure the instantaneous or incident impedance of the line.
CITS880s supports groundless differential test with Polar's unique groundless differential probes which enable on board test where access to ground points can be a challenge. Groundless differential probes for the CITS feature a single coaxial connection and are easy to handle for operators and have lower ownership costs than traditional differential probes.
The CITS880s is the ninth generation of Impedance test system from Polar and is a development of the CITS880 which is in widespread use across the industry. In addition to LPE the CITS880s is able to test shorter traces – typically 2 to 3 inches shorter than previous generations of CITS. CITS880s also ships with completely re-engineered IPS high speed probes which reassuringly are precision molded with ESD dissipative materials to give maximum protection for your CITS.
Controlled impedance PCBs are used across a broad range of applications to help ensure high frequency signal integrity. Designers invariably specify these types of PCBs whenever the edge speeds of digital signals are faster than 1ns or analog signals climb above 300MHz.
CITS880s – impedance measurement made easy
Designed for PCB production environments
Ideal for CEM inwards inspection
Measures PCBs and test coupons
Groundless differential test
Customer conformance reports
Automatic data logging
Enhanced accuracy for close coupled traces
Multi point traceable calibration
Optional crosstalk test facility
Generate CITS test programs with Speedstack
PolarCare maintenance and support
The characteristic impedance of a PCB trace is determined by the dimensions of the trace and the properties of the PCB material which can vary from batch to batch. To control trace impedance PCB manufacturers usually vary trace width to compensate for different batches of PCB material. Historically, they were then forced to use specialist laboratory equipment such as a time domain reflectometer (TDR) to measure the characteristics of a representative trace etched on the board or a test coupon. This approach was complex, expensive and far from ideal in a production environment.
Finer geometries and thinner copper can present a challenge for fabricators measuring impedance on leading edge PCBs. The CITS880s answers that challenge with the introduction of Launch Point Extrapolation (LPE). LPE extrapolates the TDR response back to a point close to the start of the transmission line effectively allowing to users more accurately to measure the instantaneous or incident impedance of the line.
CITS880s supports groundless differential test with Polar's unique groundless differential probes which enable on board test where access to ground points can be a challenge. Groundless differential probes for the CITS feature a single coaxial connection and are easy to handle for operators and have lower ownership costs than traditional differential probes.
The CITS880s is the ninth generation of Impedance test system from Polar and is a development of the CITS880 which is in widespread use across the industry. In addition to LPE the CITS880s is able to test shorter traces – typically 2 to 3 inches shorter than previous generations of CITS. CITS880s also ships with completely re-engineered IPS high speed probes which reassuringly are precision molded with ESD dissipative materials to give maximum protection for your CITS.
Controlled impedance PCBs are used across a broad range of applications to help ensure high frequency signal integrity. Designers invariably specify these types of PCBs whenever the edge speeds of digital signals are faster than 1ns or analog signals climb above 300MHz.
CITS880s – impedance measurement made easy
Designed for PCB production environments
Ideal for CEM inwards inspection
Measures PCBs and test coupons
Groundless differential test
Customer conformance reports
Automatic data logging
Enhanced accuracy for close coupled traces
Multi point traceable calibration
Optional crosstalk test facility
Generate CITS test programs with Speedstack
PolarCare maintenance and support
The characteristic impedance of a PCB trace is determined by the dimensions of the trace and the properties of the PCB material which can vary from batch to batch. To control trace impedance PCB manufacturers usually vary trace width to compensate for different batches of PCB material. Historically, they were then forced to use specialist laboratory equipment such as a time domain reflectometer (TDR) to measure the characteristics of a representative trace etched on the board or a test coupon. This approach was complex, expensive and far from ideal in a production environment.