Keithley 6514

11-14 Digital I/O, Analog Outputs, and External Feedback
B. Equivalent Circuits
Preamp Out
Solder Lug
To 6514
input
6514 Input
Amp
Input LO (Inner Shield)
To Preamp Out
Feedback Element
GND
+
-
Input HI (Center Conductor)
From Signal
GND
HI
LO
S
7078-TRX-3
Cable
HI
LO
2
To Ranging
Amp and A/D
5
3
2
4
1
A. Construction
HI
LO
Shielded
Fixture
237-ALG-2
Cable
Feedback
Element
Parts List
Item Description
MFR Part Number
1 Shielded Fixture
2 Female Triaxial
3 Banana Jack
4 Triaxial Cable
5 Triaxial Cable
Pomona #2390
Keithley 7078-TRX-TBC
Keithley BI-9-2
Keithley 237-ALG-2
Keithley 7078-TRX-3
Figure 11-8
Shielded fixture
construction