Q2
Figure 1. Outputs of
49
Phase Amplifiers
Oscilloscope Settings
Vertical
0.05
V/Div
AC
Horizontal
0.05
ps/Div
Probe
1O:l
Analyzer Settings
INSTR PRESET
Table 2. Phase Amplifier Voltage Levels
Voltage Levels
Ql
Q2
Emitter
-8.0
-8.0
Base
-7.4
-7.4
Collector
-3.6
-3.6
Limiting Amplifier
@
The Limiting Amplifier shapes and amplifies the 10 MHz reference from the Frequency
Standard (A22). Typical voltage levels for
Ul
are shown in Table 3.
Table 3. Limiting Amplifier Voltage Levels
Ul Pin Number dc Voltage Level
I
I
1
I
+5.0