Test Circuits (Continued)
DS100314-8
Notes:
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=
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−4.5V, V
TTL
V
0V, V
+5V
CC
EE
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L1 and L2 equal length 50Ω impedance lines
=
R
50Ω terminator internal to scope
T
Decoupling 0.1 µF from GND to V , V and V
CC EE TTL
All unused outputs are loaded with 500Ω to GND
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=
Fixture and stray capacitance 50 pF
C
L
FIGURE 3. AC Test Circuit for 50 pF Loading
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