Installation guide

LEXTERNAL_OVERRIDE
1 GHz STW
/100
+
Sampler
Pulse
Generator
XTAL
LINE
MUXING
LOGIC
+
10 MHz
Detector
LTIMEBASEDAC
DAC_ADDR
Fine and Coarse
Tune DAC
Reference
Divider (/2)
5 MHz = SD_CLK
FM
IN Band
OFFSET
DAC
HSIG_DEL_FM
FM_INV_H
1GHZ_VCO_ON/OFF
Unlock
Detector
L_1GHZ_OUT_OF_LOCK
Beat Note
Detector
L_10MHZ_OUT_OF_LOCK
10_MHZ_OK
Oven
Cold
Timer
L_OVEN_COLD
10 MHz OCXO / TCXO
LEXT_REF_TUNE_CNTL
SER_IO_SHIFT
EXT_DET
MOD1_OPAMP
FM
IN Band
DAC
LOOP
GAIN
CONTROL
DAC
FM Input
620 - 1000 MHz
396 - 628 MHz
250 - 396 MHz
1.6 - 2.0 GHz
1.26 - 1.6 GHz
1.0 - 1.26 GHz
2.0 - 2.52 GHz
2.52 - 3.2 GHz
3.2 - 4.0 GHz
x 2
x 2
Div 2
620 - 1000 H
396 - 620 H
256 - 396 H
500-1000 H
250 - 500 H
.25 - 1 H
1 - 4 H
1 - 2 H
2 - 4 H
1 - 2 H
2 - 2.52 H
2.52 - 3.2 H
3.2 - 4 H
1.6 - 2 H
1.26 - 1.6 H
1.0 - 1.26 H
2. - 2.52 H
2.52 - 3.2 H
3.2 - 4 H
ABUS_FM
500 - 1000 MHz VCO
Modulus
Prescaler
Frac-N
+
VCO_TUNE
SD
VCO_FM
k*(dV/dt)
k*V
L_FM
L_10MHz_PM
L_1MHz_PM
L_0.1MHz_PM
FM
Out of Band
DAC
SET
_57
_46
_11
_23
_22
RST
_57
_46
_11_23_22
L_SIG_DEL_ENABLE
Lag
Lead
L_SWEEP
L_WIDELBW
OUT-OF-LOCK
DET
OUT_OF_LOCK(L)
RELOCKED_VCO/N
L_SIG_DEL_ENABLE
L_SWEEP
SWPSTART
L_FM_OFF
L_SD_OFF
SER_DATA
3
SWPSTART
+2.5V
SOURCE_SETTLED
+
10 MHz In
FM In
Frequency Synthesis Block Diagram for Option 501, 502, 503, and 504
blk_02
A18 Reference
10 MHz Ref
P1-17
P1-5 P3-15
A17 Synthesizer
From A18
Reference
P3-11
P1-11
To A13 Output
P1-19
P1-19
P3-17
From A13
Output
P3-4
J6
To A13
Output
J4
10 MHz Out
Rear Panel
Internal
Generator
DAC
Internal
Generator
DSP
10 MHz Ext.
Ref. IN
Rear Panel
A23 Motherboard
J1-26 J1-91
To A7
Baseband Generator
To A18
Reference
J10-50
INT
MOD
J9
10 MHz Ref
From A18 Reference
P1-7
J10-99
P1-7
J8
10 MHz External Ref In
To A18 Reference
P1-17
J10-97
10 MHz
NEG
10 MHz
POS