Agilent Technologies ESG-D Series - Page 38

A9 OUTPUT BLOCK DIAGRAM
DAC
DAC
DAC
DAC
ABUS
ABUS
ABUS
I/Q
MODULATOR
+
VBLO QUAD Q I
I DET Q DET
AUX OUT
TO: COHERENT CARRIER
RF IN
250 to 4000 MHz
>+10 dBm
FROM:
SYNTHEIZER
ASSY J6
J4
PRELEVEL DET
PRELEVEL
PRELEVEL REF
PRELEVEL MOD DRIVE
P3-4
TO: SYNTHESIZER
ASSY
P3-17
GAIN ADJUST
ALC MOD BURST MOD
ALC MOD
DRIVE
BURST MOD
DRIVE
MIXER
700 - 1000 MHz
BPF
300 MHz
LPF
1 GHz REFERENCE
P1-19
FROM: REFERENCE
ASSY P1-19
J6
I MOD DRIVE
Q MOD DRIVE
QUAD DAC
QUAD
VBLO DAC
ENABLE/INTERRUPT
P2-25
DIGITAL
INTERFACE
SELECT
DATA
CLK
CLK
DATA
ENABLE/INTRPT
INT 1
INT2
INT3
INT4 (Serial Data)
SERIAL I/O
DIGITAL
CONTROL
EEPROM
CLK P2-24
P1-2
EN LIN AM
LIN_AM_ MOD
DATA P2-11
+5V
+5V
L UNLEVELED
+5V
ABUS
ABUS
POWER SUPPLIES INPUTS
P2-6,21
P2-5,20
P2-14,29
P2-3,18
P2-1,17
P2-1,16
P2-15,30
+15V
+9V
+5.2V
-6V
-15V
ANALOG COMMON
DIGITAL COMMON
TEMPERATURE
COMPENSATION
POWER SUPPLY
PTAT
GND
+PTAT
P1-15
8.5 TO 9.9V
ABUS
ABUS
I OFFSET
DET OFFSET
Q OFFSET
DAC
DAC
DAC
DAC
DAC
I GAIN
Q GAIN
I MOD DRIVE
ALC DETECTOR
INPUT
ALC REFERENCE
REFERENCE+ AM
ALC MOD DRIVE
AM IMPUT
Q MOD DRIVE
I MOD SELECT
FROM: REFERENCE
ASSY P6
Q MOD SELECT
P3-6
INT_I_MOD
EXT_I_MOD
EXT_Q_MOD
INT_Q_MOD
EXT_Q_MOD
EXT_I_MOD
CAL
VOLTAGES
CAL
VOLTAGES
REF
REF
I
STEP
ATTENUATOR
LOG
AMP
AMP
LOG
BURST
MOD
DRIVER
Q
STEP
ATTENUATOR
Q MOD DRIVE
ABUS
I MOD DRIVE
ABUS
ABUS
ABUS
2400 MHZ LPF
1550 MHZ LPF
1000 MHZ LPF
628 MHZ LPF
396 MHZ LPF
DAC
DAC
DAC
DAC
DAC
DAC
DAC
GAIN DETECTOR
F >250 MHz
F < 250 MHz
F <250 MHz
F >250 MHz
250 MHz TO 4000 MHz
0 dBm + -5dB
DET BW
SEL
DET
VOLTAGE
RF OUT
.250 TO 4000 MHz
MAX POWER >17 dBm
P3-15
P3-19
DET
VOLTAGE
ALT ALC REF
ALC REF
&
&
BURST MOD DRIVE
ALC HOLD
BURST MOD OFFSET
BURST MOD BIAS
OPEN =
HOLD MAIN INT
CLOSED =
RF OFF ALT INT
CLOSED =
RF OFF MAIN INT
OPEN =
HOLD ALT INT
-6V
CLOSED =
RF OFF
(BURST MOD)
L RF OFF (BURST MOD)
PULSE MOD
P2-23
FROM: REFERENCE ASSY
P3-7
FROM: BASEBAND
GENERATOR ASSY
P301-31
+V
+V
ABUS
LOOP INT
ALC MOD BIAS
ABUS
ALC MOD
ALC UNLEVELED
DETECTOR
+
+
_
_
-15V
OPEN
OPEN LOOP
CLOSED =
RF OFF (ALC MOD)
ALC MOD
DRIVER
ALT POWER
SELECT LOGIC
BW SELECT
ALT POWER SELECT
BW SELECT
FROM: BASEBAND GENERATOR
ASSY P301-80
L ALT PWR SEL
P2-10
FEED FORWARD AM
ALT POWER SELECT
L UNLEVELED
ALC
MOD
DRIVE
ALC REF SELECT
L ALC HOLD
L HOLD ALC
DEEP AM LEVEL DETECTOR
REF + AM
DEEP AM MOD
L RF OFF ALC MOD
HOLD MAIN
INT
HOLD ALT
INT
BULK R
ADJUSTMENT
LOG DET
ALC DET
ALC REF
SELECT
OPEN=
OPEN LOOP
IN BAND AM
PWR REF
REF + AM
REF AM
LOG OFFSET
FEED FORWARD AM
BURST
MOD
DRIVE
BURST MOD
BURST EN
BURST GAIN
REF
EN LIN BURST
EN LOG BURST
FADE ENVELOPE
(NOT USED)
BURST ENVELOPE
P1-17
P1-6
FROM: BASEBAND
GENERATOR ASSY
P301-57
FROM: REFERENCE
ASSY
P3-17
P2-22
RF PATH
J5
TO: STEP ATTENUATOR
ASSY J2
A9 OUTPUT BLOCK DIAGRAM
sk797a
EXT Q MOD
EXT I MOD
P3-8
FROM: Q INPUT
FROM: I INPUT