The original Roberts antenna used two coaxial cables with their jacket removed
and the two shields were seam soldered together. That formed the balun of the
first generation reference antennae.
Hans
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No. The EFTA (European Free Trade Association) was the balance of the European
Countries not in the original EC-12. The EEA is the total of the EFTA plus EC
(EU) countries. Now the EC is 15 countries with Sweden, FInland and Austria
having joined as full members. Norway is not part of the EC but
Don't forget that proper HALT testing is to test to failure, i.e., if the
product doesn't fail the HALT test was not performed properly. You do not
pass a HALT test. You learn from the failures.
Hans
15 yrs ago, I tested some gaming equipment. There were some unique test specs,
including those to emulate catle prods. One of the specs was around 35kV with
some strange C and R value equivalents. They (gaming mfgs) are very aware of
the neccessity for hard equipment.
Hans
Obviously it is not the logic circuits I am refering to! The front end of the
power supply has many types of scenarios that can cause high (30 MHz)
frequency emissions. To name a few. Switcher pulse risetime and fall-off. As
semiconductors get better adn smaller, their ft also better (to other
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