Test Report HHD High Density 75 Ohm BNC Series

Web Test Report, WKC01
WKC Engineering
Engineering Report
HHD High-Density
75 Ohm BNC Series
P/N HHD361A714-TL
P/N HHD364HDE704
Change History
REV
01
Reason
Electrical Report
Date
MAY 2015
Author
WKC ENG
NON-DISCLOSURE STATEMENT:
This document is the exclusive property of Winchester Electronics
Corporation; its contents shall not be copied, communicated or reproduced in
any form, without prior specific authority in writing from Winchester
Electronics Corporation.
Winchester Electronics Corporation
199 Park Road Extension, Suite 104
Middlebury, CT 06762
HHD361A714-TL; HHD364HDE704
Web Test Report, WKC01
WKC Engineering
Index
Change History ...............................................................................................................1 Non-Disclosure Statement ................................................................................................ 1 1 Abstract ................................................................................................................. 3 2 Summary................................................................................................................ 3 3 Testing/Validation ................................................................................................... 4 3.1 Measurement Setup ......................................................................................... 4 3.2 Measured Results ............................................................................................ 5 4 Conclusion .............................................................................................................. 6 Winchester Electronics Corporation
199 Park Road Extension, Suite 104
Middlebury, CT 06762
HHD361A714-TL; HHD364HDE704
Web Test Report, WKC01
WKC Engineering
1 ABSTRACT
This report summarizes the validation procedure of the 75-Ohm HHD-BNC Right-angle
Bulkhead and Straight Receptacles for PCB high-speed video applications. Simulation analysis
was first used to predict the electrical performance of the connectors on a customized board
and layout with the recommended footprint.
Measurements on various prototypes mounted on the test boards were then evaluated using
the Agilent 50 Ohm PNA E8364B and appropriate 75 Ohm calibration kit and adapters.
KEYWORDS: HHD-BNC PCB 12Gbps
2 SUMMARY
The main objective was to meet or exceed the SMPTE 424M Return Loss specification for
1080p/60 Hz and 1080p/5 Hz HD-SDI (and 3G-SDI) video signals. However, with the future
transition to 4K and 8K UHD signals, the performance is evaluated to 6, 12 and 18 GHz as
indicated on the SMPTE 2081-1 (6Gbps) and 2082-1 (12Gbps) standards.
Two main versions of the HHD-BNC connector have been validated. The table, below,
summarizes these two versions and displays the maximum return loss for the connector alone
from DC to 18 GHz.
HHD-BNC PCB
MOUNT STR JACK
R/A BKHD JACK
HHD361A714-TL 1.5
GHz -30 HHD364HDE704 -30 P/N Winchester Electronics Corporation
199 Park Road Extension, Suite 104
Middlebury, CT 06762
RETURN LOSS (dB)
3.0
6.0
12
GHz GHz GHz -25 -20 -15 18
GHz
-10 -22 -17 -10 -7
HHD361A714-TL; HHD364HDE704
Web Test Report, WKC01
WKC Engineering
3 TESTING/VALIDATION
One-port frequency domain measurements were conducted on various samples of the
connectors as those are mounted on the test boards. One 50/75 Ohm minimum loss pad and
two N-HDBNC (M) adapters were also used in the testing setup, one on each side of the DUT.
The end side of the one N-DIN adapter is terminated to a 75 Ohm load.
3.1 Measurement Setup







50 Ohm PNA E8364.
50 Ohm – 75 Ohm Minimum Loss Pad
N-HDBNC Adapters
FR4 Evaluation Board
One-port calibration using 75 Ohm N-Type Cal Kit 85036B (Option H12)
Frequency: 10 MHz to 12 GHz
Points: 1601
Winchester Electronics Corporation
199 Park Road Extension, Suite 104
Middlebury, CT 06762
HHD361A714-TL; HHD364HDE704
Web Test Report, WKC01
WKC Engineering
3.2 Measured Results
Below are screenshots from measured results on samples of the DUT. The measurement
also includes the PCB via launch and a length of the 75 Ohm transmission line.
HHD361A714-TL
PROPERTY OF WKC ENGINEERING
HHD364HDE704
PROPERTY OF WKC ENGINEERING
Winchester Electronics Corporation
199 Park Road Extension, Suite 104
Middlebury, CT 06762
HHD361A714-TL; HHD364HDE704
Web Test Report, WKC01
WKC Engineering
4 CONCLUSION
Both measurement and simulation results give excellent RF performance from DC to 12 GHz,
exceeding compliance to SMPTE specifications.
The Winchester solution provides an optimum and superior performance as opposed to other
available connectors, and guarantees sufficient headroom for a reliable 75 Ohm passive
channel to the maximum 3rd harmonic frequency (18 GHz).
Winchester Electronics Corporation
199 Park Road Extension, Suite 104
Middlebury, CT 06762
HHD361A714-TL; HHD364HDE704