Theory of operation
TekFlex™ conne
ctor. The new TekFlex connector technology combines a high
speed signal path with low speed control signaling in a single, easy to connect
accessory connector. The TekFlex connector has a pinch-to-open design that
when open requires minimal force to attach an accessory tip. When the TekFlex
connector is closed, it provides a secure connection to the accessory to avoid
accidental disconnections.
The connector provides a light-weight electrical and mechanical interface
between a P7700 Series probe and a P7700 Series active probe tip. It contains
a spring-l
oaded set of electrical contacts that connect between the main cable
wiring and contact patterns on the attached probe tip. There is a differential,
high-frequency contact pattern on the top of the probe tip that connects the probe
tip dual signal inputs and grounds to the probe main cable coaxial pair. There is
also an eight-finger contact pattern on the bottom of the probe tip that connects
the probe tip power and control signals to a ribbon wire in the main cable. The
TekFlex
connector provides mechanical alignment between a keyed hole pattern
on the probe tip and a pair of pins inside the spring loaded connector housing.
With th
e TekFlex connector, the P7700 series probes offer a set of active probe
tips with the probe's buffer amplifier only millimeters from the input connections.
The short signal path enabled with the active tips provides high fidelity and a high
impedance input. It minimizes signal loss, capacitance, and additive noise.
P7700 Series TriMode Probes Technical Reference 3
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