Agilent Technologies PSA Series Service Manual page 195

E4440A/E4443A/E4445A OPTION 110 AND 123 BLOCK DIAGRAM
A14 INPUT ATTENUATOR A
5 GHz, -25 dBm
2 dB
RF-INPUT
DC COUPLED 3Hz to f max
W7
AC COUPLED 20MHz to f max
(Coupling not automatic)
f max:
E4440A= 26.5 GHz
E4445A= 13.2 GHz
E4443A= 6.7 GHz
W20
Calibrator Signal
50 MHz CW, -25 dBm
Note -
POWER LEVELS BASED ON THESE SETTINGS:
Mode: Spectrum Analysis
Center Frequency: 5 GHz
Span: 0 Hz.
Input Attenuation - 10 dB (Attenuator switches to 40 dB
when Preamp is enabled)
Note 1. Measured with Preamp On and Preselectors On
Note 2. Measured with Preamp Off and Preselectors Off
block_110_123_40_43_45
A15 INPUT ATTENUATOR B
Note 1:
-65 dBm
Note 2:
5 GHz
2 dB W8 10 dB 6 dB 20 dB 30 dB
-35 dBm
W109
W114
W30
W29
A38 OPTION DRIVER
J3
SWITCH CONTROL
P1
PREAMP CONTROL
SW6
Note 1:
-39 dBm
Note 2:
W111
-35 dBm
CONTROL
W112
W113
A36 PREAMP
AT4
(OPT 110)
4 dB
Note 1:
-39 dBm
10
W106 9
14
Pre Sel Out
(rear panel)
7
W85
W47 10 10
(97) W26
J5 J6 J3 J4 J11
A13 FRONT END DRIVER
10 kHz
ATTENUATOR
10 Mhz
16 CONTROL
REF.
COUNTER BIT
1/N 1/N
DAC
32 32
N=1-2 N=1-2 UNPRESELECTED
MIXER CONTROL
DELAY RYTHM
COMP. BIAS/CTRL
YTF TUNE RAMP GENERATOR
THERMOMETER
FROM LO VIA
10 kHz
48
N=1-2 MOTHERBOARD
16
COUNTER BIT
1/N TO 3rd CONVERTER
DAC
VIA MOTHERBOARD
SLODA
VARIABLE GAIN RAMP GENERATOR
LEVELING LOOP
+32v
OPTION 1DS
LOWBAND
28v PREAMP
REGULATOR BIAS/CONTROL
BIAS/CTRL
J8 J9
W31
TO REAR PANEL
28v (SWITCHED)
Bottom Switch
SW1
A19 RYTHM
(OPTION 123)
YTF
Odd/Even IF
2
C
W81
1
5 GHz J1
YTF Coil
Driver
LO 3-7 GHz
(5.3214 GHz, 14 dBm
FL4 A34 MIXER (OPTION 123)
No cable
direct
HB Out 321.4 MHz
connect
W115
3 GHz Mixer Control
LO
W83
ELECTRONIC J13 A21 SLODA
W53
ATTENUATOR
LO DISTRIBUTION AMPLIFIER
CONTROL
A18
INT. SENSE
5.3214 GHz, 12-17 dBm
YTO
J7 W25
MAIN COIL
FM COIL
10
PASS THRU W35
3-7 GHz YTO
EXT. SENSE
PIN ATTEN. SAMPLER
J2
W28
OUT
10
3-7 GHz
-3 TO -8 dBm
W24
GATE BIAS
HI/LO SWITCH
BIAS
Front Panel
RF Input Frequency
To Lowband
Top
W51 SW2
Switch
(OPTION 123)
2
C 10
W87
W86
321.4 MHz
321.4 MHz to
-49 dBm
A10 3rd Converter J1
(preselector On)
1
321.4 MHz
± 3 dB)
-51 dBm
W84
W38
HIGH/LOW W88
HI
LO
FIRST LO OUT
5.3214 GHz
+ 15 dBm
W41
[3.9714 GHz
14.5 dBm ± 1 dB]
To A20 Lowband
E4440A/E4443A/E4445A
OPTION 110 AND 123 BLOCK DIAGRAM
February 02, 2006