Introbotics High Frequency Testing Services.

INTROBOTICS SERVICES

Experts in High Frequency Test and Measurement of PWB
(Impedance, Propagation Velocity, Dielectric, and Loss)

High Frequency PWB Test and Measurement Services

Introbotics provides a Test and Measurement Service utilizing our CI1000™ Automated Controlled Impedance Tester and ACCU-Prober™ hand held tester. Tests can be conducted on sample coupons or on the actual image traces within the boards.

Please read our paper High Frequency PWB Test Guidelines for Design Verification and Vendor Qualification.pdf for important answers to test and measurement service capability.

Introbotics Test and Measure Service can be utilized for many objectives:

	Fine tuning of passive models
	Verification of PWB design impedance and propagation delay
	Understanding of PWB vendor capability
	Understanding of PWB material variance thru Effective Er data
	Ability to calibrate product’s critical interconnects
	Automation of measurement system brings confidence in data collected

Raw Data Available from Automated TDR Data Collection:

	Interconnect impedance on single-ended and differential structures (also assembled connectors, daughter cards, etc.).
	Interconnect signal flight time (propagation delay, Effective Er)
	Interconnect Bandwidth (interconnect insertion loss)
	Impedance, delay, bandwidth on both sides of differential pair
	Signal profile (TDR Waveform) for via characterization, etc.

Information and Analysis Available on New Designs

	Impedance of critical PWB interconnects
	Bandwidth (insertion loss) for all critical nets
	Average Impedance by board layer
	Impedance variance across the board
	Maximum high speed bus skew
	Flight time on critical nets
	Average propagation delay per layer
	Average propagation delay variance across the board
	Affects of vias and stubs on impedance and delay
	Affects of close trace spacing on impedance and delay
	Differential trace impedance
	Differential trace pair skew due to routing differences
	Variance between image area board impedance and “TDR coupon” trace impedance

Test system specifications:

	Impedance
	Absolute values – Estimated at +/-0.2 ohms
	Repeatability – 0.05 ohms
	Interconnect Signal Flight Time
	Absolute values – 1 psec + 1% of time interval
	Repeatability – 4 psec
	Test System Risetime (Incident pulse) : 25 psec (Approx. equivalent test bandwidth of 14 GHz)
	Test Speed: 800-2000 data points per hour

Please read Introbotics CI1000 Metrology Capability Assesment.pdf for more detailed information on our test equipment capability.

Would you like to see a sample of the Testing Service output report?

Introbotics uses a Tektronix DSA8200 oscilloscope along with our CI1000™ Tester to deliver fast and accurate test results. Each test job is calibrated against 28 and 50 ohm NIST airlines. Introbotics can test panels up to 36"x28.5".

Introbotics also offers software to allow waveform viewing and screen capture. We call this our WaveForm Viewer™.

If you would like a quote on a testing job please compete our on-line Quote form.

INTROBOTICS CORPORATION
4208 Balloon Park Road NE Albuquerque, NM 87109
Tel: (505) 345-7785 Fax: (505) 345-7790 Email: info@introbotics.com