Keysight Technologies N9030B Service Manual page 345

PXA RF BLOCK DIAGRAM (Options 503, 508, 513, 526) (Lowband Path - Input signals 3 Hz to 3.599 GHz)
A9 INPUT A10 INPUT
RF
ATTENUATOR A ATTENUATOR B
Input
2 dB 2 dB 30 dB 20 dB 6 dB 10 dB
W2
W4
50 MHz
-25 dBm
W3
Cal Signal
J
From A16 Reference
50 MHz, -25 dBm or
4.8 GHz, -28 dBm
A20 YTO
YTO Main and
3.8 - 8.73 GHz
FM coil current
drive from A14
YTO
Driver
W23
blockpxa_rf_low
SW2
(Option MPB)
1
C
SWITCH 3
(Option LNP) 2
W51 W53
1 2
W52 W54
4 3
W15
A11 LOWBAND
J4 A13A1 FRONT END
SWITCH
J9
3.6 GHz - 26.5 GHz
J3
-35 dBm
J1
Preamp
+30 dB
J2
3 Hz - 3.6 GHz Path
4 GHz
W8
50 MHz, -35.3 dBm
Electronic Attenuator
J2
0 - 24 dB
Preamp
+20 dB
LO
DISTRIBUTION
ALIGNMENT
J4 THERMOMETER
W20
5172.5 MHz
+10 dBm
J5 J3 J6
ECAL In W33
W21
SYNTH OUT
To A14
5172.5 MHz
Synthesizer
+10 dBm
3
IF IN
J2
5122.5 MHz
-34 dBm
W19
Aux LO In J6
5172.5 MHz
+9 dBm
J2 (Opt EXM)
EXT W29 (Opt EXM)
MIXER
SW1
(Option MPB)
W13
6 dB C
1
2
A12 YTF
W14
W10
Preselector
Mixer #3
13.6 GHz - 26.5 GHz Path
J7
W16
IF OUT
322.5 MHz
-22 dBm
3.6 GHz - 13.6 GHz Path
Mixer #2
J8
1st LO OUT
W30
J13
(Opt EXM)
EXT IF OUT
W22
Mixer #1
J12
2nd LO
4800 MHz
+10 dBm
W18
J1
from A16
Reference Bd
X2
8.3 - 14 GHz
J10 J11
IF OUT IF IN 5122.5 zz
-33 dBm
W48 W49
A13A2 SWITCHED FILTER
160 MHz BPF
5.1 GHz
W58
BP F1
BP F2
IF
J3 J4
J5
Out
IQ
Modulator
W28
IM
J1
Generator
W17 (Opt EXM)
A15 FRONT END CONTROLLER
J800
W5
ATTENUATOR CONTROL
J802
W55
LOW BAND SWITCH BYPASS CONTROL
J700
W7
LOW BAND SWITCH CONTROL
J801
W12
PRESELECTOR BYPASS CONTROL
J300
PRESELECTOR DRIVER CONTROL
W11
IF In
J902
1
Ext
IF In
BIAS
TEE
J903
+10 to
260 MHz - 400 MHz
-10 mA
DAC
VCO
MIXER BIAS, AMP BIAS,
PREAMP BIAS, E-ATTEN CONTROL,
SWITCH CONTROL, 1st LO POWER OPTIMIZATION,
J102
YTF TUNE RAMP
SWITCHED FILTER CONTROL
J1300
FOOTNOTES
1
IF OUT from A13A1J7
NOTE: Power levels based on these settings:
IF Path IF Freq.
Mode: Spectrum Analyzer unless specified differently
RF Calibrator 50 MHz, -25 dBm
10 MHz 322.5 MHz
Center Frequency 50 MHz
322.5 MHz
25 MHz
Span 0 Hz
250 MHz
40 MHz
Input Attenuation 10 dB
300 MHz Preamp OFF
140 MHz
Auto Align OFF after initial Auto Align
2 AUX IF OUT is only available Signal levels above 3 GHz include cable loss
with Option CR3, CRP, and ALV of measuring system
3 See Low Band troubleshooting
section warning message
J302
W25
J900
to AIF
322.5 MHz
-23 dBm
W26
Option B40
to Digital IF
Mode = I/Q Analyzer
IF Path 40 MHz
J901
250 MHz, -30 dBm
or
W41
Burst
Option B1X
Trigger
to WB AIF
DAC
Mode = I/Q Analyzer
IF Path 140 MHz
300 MHz, -30 dBm
LOG
DET
AUX 1,2
IF OUT
W27
J1100
to rear
panel
120 MHz Option CR3
LPF 2nd IF
-30 dBm
SWEEP
RAMP
J301
PXA RF (Low Freq)
BLOCK DIAGRAM