Agilent Technologies E8241A Service Guide

se990a
X2
Doubler
3-10
10-20
5-10
3-20
Limiter
3-10
3-10
3-10
A29 20 GHz Doubler
750 MHz
16-20
13-16
10-13
A6 Frac-N (Fine Tune)
RF
Detector
Power
To
Analog Bus
RF Out
To A8 Pre Level Drive
To A 8
LPF_SELECT
6
6
8.5 GHz
2 / 4 / 8 / 16
Multi Modulus
Divider
¸
DIVIDER_CONTROL
J4 to A5 Sampler
3.2 - 10 GHz
-7 dBm>
J3 250 kHz - 3.2 GHz 21 dBm>
J2 250 kHz - 3.2 GHz 18 dBm
> 3.2 GHz - 20 GHz 18 dBm, Option 1EA 23 dBm
>
>>
J3
3.2 - 10 GHz
-7 dBm>
J2
>3.2 - 20 GHz
14 dBm>
J4
10-20 GHz
20 dBm
Option 1EA
25 dBm
>
>
J1
J3
ALC
Pulse
A30 Modulator Filter
MODF_AMP_ON_H
MODF_PATH
6
5-8
13-20
8-13
3-5
10-20
MODF_PLS_ENB_L
3.2
A26 Micro Interface Deck
DBL20_AMP_ON_H
DBL20_PATH
6
Block Diagram for the RF Path
S
S
Audio 1
Audio 2
External 1
External 2
F_GEN1
F_GEN2
FM1_MUX
FM2_MUX
MOD_MUX
AM1_MUX
AM2_MUX
FM_OFFSET2
_DAC
FM2_SCALE_DAC
LF_OUT_DAC
AM1_DAC
AM2_DAC
FM_OFFSET1
_DAC
LFO
Front Panel
ABus
A Bus
A Bus
FM
AM
-
+
-
+
+
+
AM
FM
50 ohm
AM_OFFSET
_DAC
-
VIDEO_OUT_EN_L
RED_PULSE_SEL
RED_VREF_DAC
PULSE_ED_SEL
FED_PULSE_SEL
FED_VREF_DAC
SYNC_OUT_EN_L
PULSE IN SEL
Sync Out
Gate / Pulse /
Trigger Input,
Front Panel
PULSE_OUT_SEL
Internal Pulse Generator
_
+
Vref
A Bus
A Bus
A Bus
L Pulsed
RF Off
50 ohm
PG_PULSE_REP_INTERVAL
PG_MODE
PG_TRIGGER_INVERT
PG_VIDEO_BEGIN
PG_PULSE_REP_INTERVAL
PG_VIDEO_END
PG_SYNC_BEGIN
PG_SYNC_END
Video Out
ABus
50 ohm
A Bus
33.554 MHz
NS Clock
10 MHz
A11 Pulse / Analog Modulation Generator
EXT1_AC_H
EXT1_50_
OHMS_H
FGEN1_OFFSET_
DAC
FGEN2_OFFSET_
DAC
CNTOUT
S
S
A Bus
NSCLK_ON_H
Rin = 600
or 50 ohms
NSCLK Out
of Lock L
"Elsie" NS
OCA
ODBUS
OCC
Data
Latch
Clock
Data
DAC
Clock
Latch
DAC
NS_CLK
NS_Reset
NS_Address
NS_Data
12
12
12
ABUS
NSCLK
TUNE
-
-
-
-
100 MHZ IPG
Clock
10 MHz
IPGCLK_ON_H
IPGCLK Out
of Lock L
IPG_CLK
ABUS
IPGCLK
TUNE
Ext 1,
Front
Panel
A Bus
Peak
Detect
EXT1_PEAK_V
REF_DAC
Abus
Ext1_High_H
Ext1_low_H
-10Vref
EXT2_50_
OHMS_H
Rin = 600
or 50 ohms
Ext 2,
Front
Panel
EXT2_AC_H
Peak
Detect
EXT1_PEAK_V
REF_DAC
Abus
Ext2_High_H
Ext2_low_H
-10Vref
10 MHz
Digital
Data
Clock
Data
Clock
12
X2
X2
F_Gen 1
External 1
External 2
F_Gen 2
0-3.2 GHz
0-3 GHz
A8 Output
Gain
Adj.
1200
MHz
850 to
1150
MHz
400
MHz
6dB
3dB
250 MHz
to 4 GHz
Bypass Mode
Prelevel Detector
Prelevel
Drive
ALC
Mod
1 GHz
Ref
GAIN_ADJUST_DAC
ALC_MOD_DRIVER_
BIAS/GAIN_DAC
MOD_
OFFSET_DAC
MODLIN_DAC
MOD_DRIVER_
BIAS/GAIN_DAC
OUTPUT_LP_FILTER_SELECT
ALC_MOD_OFFSET_DAC
L_EN_LIN/LOG
L_MODE
L_HOLD_ALC
L_RF_OFF_MOD
BB_FILTERED
MOD_L_BW
H_BYPASS
BB_THRU
HET_SELECT_L
H_BYPASS
PRE_
LEVEL_
REF_DAC
ALC
Pulse
A23 Low Band
Coupler / Detecter
0-2 GHz
A27 40 GHz Doubler
Doubler
30 or 40
0-20
GHz
20-40
GHz
20-26
32-40
26-32
X2
DBL40_BIAS
2
DBL40_PATH
3
J2
250 kHz - 3.2 GHz 17 dBm
> 3.2 - 20 GHz 15.5 dBm
> 20 GHz 13 dBm
Option 1EA
250 kHz - 3.2 GHz 17 dBm
> 3.2-20 GHz 20.5 dBm
20 GHz 18 dBm
>
>
>
>
>
>>
ATTEN
5
A24 Coupler
A25 Detector
2-20 or 2-40 GHz
Optional
Attenuator
5/10/40/20/40
RF
Out
AT1
Attenuator
From A7 Reference
2k
VSWP_DAC
V_GHZ_DAC
FM_GAIN_DAC
FM_FREQ_COMP
A9 YIG Driver
PRETUNE_DAC
H_SPEEDUP_EN
HOLD_DAC
COMP_DAC
Pretune
Speedup
FM
Coil
YIG
+32 V
Main
Coil
LYO Loop Hold 1
800k
230
FM_ATTEN
FM_FREQ_COMP_L
FM_FREQ_COMP_H
FM_ATTEN_L
FM_ATTEN_H
230: :1k
::
:
:4k
>
>
3.2 GHz to
10 GHz
+ 13 dBM
A6 Frac-N
YTO_FM
YTO_FM from
A6 Frac-N
_
+
H_DEEP_AM
L Pulsed RF Off
L ALC Hold
AM Input
ALC Ref
-66mV/dBm
Deep
AM
Comp
Exponential
Modulation Driver
L_20MOD
_OFF
L_20/
H_40DIG
ALCMOD_LIN_DAC
ALCMOD_BIAS_DAC
_
+
H_RF_OFF
Dual Slope Log Amp
HIPWRCAL_DAC
LOG_BRKPT_DAC
DET_OFS_DAC
H_DET_LPF
L_DETLVLX25
H_SM_MODE
-10v
_
+
L Unlvl
Interrupt
+66mV/dB
Det level
SM Input
Open =
Hold
x25
1 kHz
Hiband
Detector
Loband
Detector
External
Detector
0
1
2
3.2to20GHz
ALC Mod
Loband ALC Mod
A10 ALC
ALC
FeedFwd
L_ALC_HOLD_LATCHED
ADC
ADC
MUX
H_BELOW_3.2GHZ
ALCMODGAIN_DAC
_
+
ALC_BW_SEL
L_OPENLOOP
Int Out
+10dB/V
+V
all open = 0
1
2
3
Cx1000
Cx100
Cx10
C
6.8 volts
DETECTOR_SEL
SOURCE_SETTLED_H
FM_OFF_H
_
+
Log
S
S
I/H
Delay
Burst
Comp
H_EXP_AM
L ALC Hold
L_Open Loop
H_LIN_AM
H_BURST
LVL_DAC
Delay
+V
S
DBL40_AMP
DBL40_LPF

Agilent Technologies E8241A Specifications

General

Brand	Agilent Technologies
Model	E8241A
Category	Portable Generator
Language	English