Fluke 96000 Series Service Manual page 32

96000 Series
Service Manual
Rear Panel
Leveling Head Assembly Leveling, control, and attenuation of the RF Output
27 GHz Control PCA
27 GHz Multiplier PCA
Line Power
Switches
GPIB
RS232
2-2
REAR PANEL
External AM/FM input and Sweep Trigger I/O and 1 mHz frequency counter
External Reference I/O
Power Block
Trapezoid
Generator
Rear
SMPS
Fan
Mains SMPS
Assembly
30V & -8V2
supplies
Digital
supplies
+5V & +12V
Control Data
Interconnection
PCA
Power Supply
PCA
Side
Fans
Figure 2-1. Overall Functional Block Diagram (96040A)
Provides the mounting location for ports, connectors,
and switches needed to externally access and
influence the operation of the Instrument.
Signal.
Controls frequency generation and output level above
4 GHz (96270A).
Generates frequencies above 4 GHz (96270A).
50Mhz
Counter
10 MHz
OCXO
Isolation
Transformer
60Vpp Low-Voltage
Transformer
Optical
Isolators
Digital
PCA
Ground (earth) Referenced
20 kHz - 15.625 MHz
1 GHz - 2.7 GHz
Frequency
Synthesis
2.7 GHz - 4 GHz
62.5 MHz - 125 MHz
(FM only)
10 MHZ Clock
Floating
Power
Power
Supplies
Synthesizer PCA
Data
Output
Routing
Display
Backlight
Keypad
PCA
Front Panel
Assembly
Isolated (floating)
RF Output PCA
Divide Mux,
Filter, &
Amplify
Level Control
Output
Attenuators
60dB
HF/LF
Level
Sense &
Control
Head
Output
Leveling Head
Assembly
(50 or 75 Ohm)
Attenuators
78dB
RF Output
hpn384.eps