Keysight N9040B Option 508 - Page 258

UXA RF BLOCK DIAGRAM (Options 508, 513, 526) (Highband Path #1 - Input signals 3.6 to 13.6 GHz)
UXA RF (Mid Freq)
BLOCK DIAGRAM
A9 INPUT
ATTENUATOR A
A15 FRONT END CONTROLLER
A10 INPUT
ATTENUATOR B
A11 LOWBAND
SWITCH
SWITCH 3
(Option LNP)
A12 YTF
SW2
(Option MPB)
SW1
(Option MPB)
A13A1 FRONT END
30 dB
2 dB
2 dB
6 dB
1
1
C
C
2
2
10 dB
-30 dBm
-38 dBm
20 dB
6 dB
0 - 24 dB
Cal Signal
From A16 Reference
4800 MHz, -28 dBm or
50 MHz, -25 dBm
13.6 GHz - 26.5 GHz Path
J7
J9
J8
J13
J1
3.6 GHz - 13.6 GHz Path
4.8 GHz
-51 dBm
If the A12 YTF
is bypassed,
-52 dBm
3.6 GHz - 26.5 GHz
3 Hz - 3.6 GHz
4 GHz
+30 dB
Preamp
Electronic Attenuator
3.8 GHz -
8.7 GHz
+18 dBm
1st LO OUT
2nd LO
4800 MHz
3 - 15 dBm
Switch position shown
for input signals
3.6 - 8.4 GHz
W18
from A16
Reference Bd
260 MHz - 400 MHz
120 MHz
LPF
8.3 - 14 GHz
J1
W3
W2
W4
W8
J900
J901
J902
IF In
Ext
IF In
W16
1
IF OUT
322.5 MHz
-31 dBm
EXT IF OUT
W22
J903
J102
J301
J1300
to A2J100
Analog IF Out
322.5 MHz, -32 dBm
W25
Burst
Trigger
J1100
W5
W55
W7
W12
W11
W51 W53
J800
J802
J700
J801
J300 J302
1
4
2
3
W54
W13
W14
W10
Preselector
W15
W52
J3
ATTENUATOR CONTROL
LOW BAND SWITCH BYPASS CONTROL
LOW BAND SWITCH CONTROL
PRESELECTOR BYPASS CONTROL
PRESELECTOR DRIVER CONTROL
X2
LOG
DET
J
RF
Input
VCO
+10 to
-10 mA
DAC
DAC
SWITCHED FILTER CONTROL
IF OUT from A13A1J7
NOTE: Power levels based on these settings:
Mode: Spectrum Analyzer unless otherwise noted
RF Calibrator 4.8 GHz
Center Frequency 4.8 GHz
Span 0 Hz
Input Attenuation 10 dB
Preamp OFF
Auto Align OFF after initial Auto Align
Signal levels above 3 GHz include cable loss
of measurement system
FOOTNOTES
1
IF Path IF Freq.
10 MHz
25 MHz
40 MHz
255 MHz
322.5 MHz
322.5 MHz
250 MHz
750 MHz
BIAS
TEE
MIXER BIAS, AMP BIAS,
PREAMP BIAS, E-ATTEN CONTROL,
SWITCH CONTROL, 1st LO POWER OPTIMIZATION,
YTF TUNE RAMP
J2
J4
J12
J2
SWEEP
RAMP
A13A2 SWITCHED FILTER
+20 dB
J3J5
J10
J11
J6
ALIGNMENT
THERMOMETER
IQ
Modulator
BP F1
BP F2
LO
DISTRIBUTION
W19
W33
W48
W58
W49
W28
IF
Out
Aux LO In
J2
J1
J6
J3 J4
J5
ECAL In
IF INIF OUT
255 MHz BPF
5.1 GHz
5122.5 MHz
0 dBm
J4
IM
Generator
J2
W29
EXT
MIXER
W17
Preamp
W30
Mixer #3
Mixer #2
Mixer #1
A20 YTO A14 LO SYNTH
3.8 - 8.73 GHz
YTO
Driver
W20 W21
W23
YTO Main and
FM coil current
drive from A14
5122.5 MHz
+13 dBm
5122.5 MHz
+10 dBm
AUX
IF OUT
(Rear Panel)
1
W27
(2nd IF, -33 dBm)
W26
to A3J15
Digital IF
(Std, Opt B25, B40)
or
W41
to A21J17
Wideband Analog IF Out
W32
7200 MHz
from FL1
J1
J2
J8 J35002
blockuxa_rf_mid
4-07-2016