HP 16600A Series Installation Manual page 29

Probing
Probing
HP Logic Analyzer Modules
Connecting Probes to a Target System Directly
You can connect the logic analyzer cable directly to a 40-pin connector, but you must install the
proper RC network directly onto the target system board. Hewlett-Packard recommends two
types of RC networks which are described in detail in the Application Note:
for HP Logic Analysis Systems.
Suggested On Board RC Network
250 90.9k
ohm ohm
Signal
8.2pF
Ground
CAUTION
Do not exceed 0.33 amps per cable, or the cable will be damaged. The cable ground lines
are chasis (earth) grounds and not "floating" grounds. All the lines are woven into a flat
ribbon that is 4.5 feet long.
For more information, contact your Hewlett-Packard Sales office and ask for the Application
Note:
Probing Solutions for HP Logic Analysis Systems.
web at: http://www.agilent.com/find/LA-AppNotes/ )
16allp25
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Logic Analyzer
Pod
To Logic
Analyzer
Pod
Ground
Includes on board RC network and logic analyzer
28
Probing Solutions
+5V 1 2
CLK1 3 4
N/C 5 6
D15 7 8
D14 9 10 Signal GND
D13 11 12 Signal GND
D12 13 14 Signal GND
D11 15 16 Signal GND
D10 17 18 Signal GND
D9 19 20 Signal GND
D8 21 22 Signal GND
D7 23 24 Signal GND
D6 25 26 Signal GND
D5 27 28 Signal GND
D4 29 30 Signal GND
D3 31 32 Signal GND
D2 33 34 Signal GND
D1 35 36 Signal GND
D0 37 38 Signal GND
+5V 39 40 Power GND
Target Connector Pinout
(Top View)
Equivalent Load
370
ohm
Signal
0.3pF 7.4pF
(Or download from the
Power GND
Signal GND
Signal GND
Signal GND
100k
ohm