Installation guide

Frequency Synthesis Block Diagram for Option UNJ and Option 506 (Page 2 of 2)
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1 GHz RF
250 MHz LO
750 MHz
750 MHz A
750 MHz B
750 MHz C
1/2 1/P
FM_MODE_A_B
Mode A
Mode B
14 dB
LO
RF
YO PLL
Unlock
Detector
YOLGAIN
YO_UNLOCK_CTRL
YO_PREDAC
M/256
M = 5 to 51
-
+/ 1
+
+
Unlock
Detector
L CRS PLL
UNLK
+15V
HIGH_LOW
Bias
ABUS +5V ABUS
900 MHz
900 MHz
S
750 MHz
150 MHz
150 MHz
80 MHz
80 MHz
LO
RF
RF
LO
Sampler IF
30 to 70 MHz
Mixer IF
14 to 150 MHz
1 GHz In
MULTR
FNDIV
4
Sampler IF
30 to 64 MHz
H_PRESET_EN
1 - Shot
0.2 mS
(from YO Driver) LYOSLEW
YOLGAIN STROBE
1 - Shot
1.0 mS
FN_DIV, FM MODE, &
MULTR STROBE
(from FRAC-N) LFNSWP
L_YOPLL_OPEN
+
+
ABUS
618 to 905 MHz
VCO
1 - Shot
L_CRSPLL_Pretune
MULTR LATCH
STROBE
66
Vtune
L YOPLL Preset
L_HOLD
L YOL UNLK
A15 Sampler
YIG
+5 dB @
10 MHz
0, 12, 24,
36 dB
0 to -2.2 dB
@ 10 MHz
Vernier
6 dB Range
0 to 66
by 6 dB
230
800k
1 k
4k
230
2k
FM
Coil
Main
Coil
+32v
Pretune
Speedup
To A15 Sampler
12 GHz
FM_GAIN_DAC
FM_FREQ_COMP
HOLD_DAC
COMP_DAC
H_SPEEDUP_EN
PRETUNE_DAC
PRETUNE_DAC
YTO OUT
4-6 GHz
A21 YTO Driver
YTO Output
4 to 8 GHz
J8
To J3
A15 Sampler
4 to 8 GHz
To J4
A14 Extended
Frequency
Output
(Option 506)
J6
A22 Coupler (Option 506)
J3
From
P1-10
A16
Frac-N
J4
P1-2, 12
J1
From
A18
Reference
J6
From A16 Frac-N
500 - 1000 MHz +5 dBm
J3
To A16 Frac-N
J7
LYO Loop
Hold 1