There are a number of different Logic Analyser modules that can be installed in the TLA714 :-
- TLA 7N1 (34 channels)
- TLA 7N2 (68 channels)
- TLA 7N3 (102 channels)
- TLA 7N4 (136 channels)
Full details of these modules can be found in the Tektronix Logic Analyser Module Datasheet. Each of these modules takes up a double slot in the TLA714 chassis, leaving a double slot available for an additional Logic Analyser, Pattern Sequence Generator, or Digitizing Oscilloscope Module.
When I read that a Digitizing Oscilloscope Module was available, I initially thought that installing one of those would be a good way to add an oscilloscope to my test kit. However, Inaki has advised me that the TLA 'scope modules are very basic storage scopes and not really a replacement for a good quality oscilloscope. Just as well really, as even used ones on ebay currently range from £600 for a two channel TLA7D1 to over £1000 for a four channel TLA7E2. Instead, I will try to pick up a good, second hand, stand alone oscilloscope.
Analyser Probes Instruction manual
provides a useful description of the
P6417 & P6418 logic probes.
The Logic Analyser requires a least one 17 channel probe to connect the analyser module to the equipment under test (EUT) - the probes alone cost in the region of $100-$200 (used) and seem to be mainly available from the US.
The probes can be attached to the EUT either through the "podlet" connectors on the end of the probe cables or through lead sets.
|Photo of a P6418 logic probe kit,
showing the IDC connection to the logic
analyser, the smaller "podlet"
connectors at the end of the probe cable
and the flying leads used to connect to
individual test points.
The P6417 has more flexibility than the P6418 - the 8 channel "podlet" can be split apart into separate channels.
|The podlet connectors are 1 or 8
channel connector blocks that can be
directly attached to mating connectors
on the EUT, however, it is more usual to
use flying leads connected between the
podlet connectors and individual test
NB: very few of the second hand probes available on ebay include the flying lead sets with the probe cables, I was able to pick up a couple of lead sets from the US for £75, including shipping to the UK.
|Close up of the flying leads used to connect to individual test points. A "grabber" is fitted at each end of the flying lead to connect to the equipment test point.|