Keysight E8257D/67D - Page 121

+
-
62.5 MHz or 187.5 MHz
+
-
1-2 GHz
62.5 to
125 MHz
YIG
3187.5 to 1062.5 MHz
(N x 500 +/- 62.5/187.5 MHz)
50 MHz
+
-
ESOT
VCO
16
Offset Loop
FN Loop
YIG Loop
20
X2
2.5-5 GHz
Step Generator
X2
2-4 GHz
PRESTO
FM
ADC
FM
DAC
A9 YIG
DRIVER
BOARD
A45 FRAC-N BOARD
FM Input
from MOD
GEN
BOARD
(A11)
F
COMB
F
YIG
F
STEP
Mode A
Mode B
F
FN
3200 to 10000 MHz
A46 OFFSET BOARD
VCO/Multiply
F
OSL_REF
F
YOL_REF
2
8
X2
X2
X2
DC
2GHz
4GHz
0.5GHz
1.5GHz
8GHz
1 GHz
1.0 GHz
From
REFERENCE
BOARD (A7)
F
OSL_IF
F
YOL_IF
Mode A
Mode B
Block Diagram for Option UNY, Service Guide E8251-90359
(prefix >
US5042/MY5042/SG5042)
A28