Keysight N8973B User Manual

N8976B NFA RF BLOCK DIAGRAM
(Highband Path #2 - Input signals 17.1 to 34.5 GHz)
N8976B
RF (Highband Path #2)
BLOCK DIAGRAM
A9 INPUT
ATTENUATOR A
A15 FRONT END CONTROLLER
A13A1 BANDPASS FILTER
A10 INPUT
ATTENUATOR B
A11 LOWBAND
SWITCH
A13 FRONT END
10 dB
2 dB
2 dB
6 dB
20 dB
-40 dBm
30 dB
0 - 24 dB
+20 dB
Cal Signal
From A16 Reference
50 MHz, -25 dBm or
4.8 GHz, -28 dBm
17 to 34.5 GHz
34.4 to 44 GHz
20 Ghz
-54 dBm
J7
J9
J8
J13
3.6 to 17.1 GHz
3.6 GHz - 44 GHz
9 kHz - 3.6 GHz Path
4 GHz
+30 dB
Preamp
Preamp
Electronic Attenuator
Mixer #1
Mixer #3
Mixer #4
Mixer #2
2nd LO
4800 MHz
+10 dBm
W5
from A16
Reference Bd
260 MHz - 400 MHz
120 MHz
LPF
14 GHz
LPF
17 GHz
LPF
Center: 5.1 Ghz
3 dB BW: 150 MHz
J1
W9
W19
W10
W11
-27 dBm
W3
J900
J901
J902
IF In
Ext
IF In
W36
1
IF OUT
322.5 MHz
-30 dBm
EXT IF OUT
W17
W26
(Opt EXM)
J903
J102
J301
to AIF
322.5 MHz
-32 dBm
W37
Burst
Trigger
J1100
W16
W18
J800
J700
J300 J302
J3
J3J5
J10
J11
J6
ATTENUATOR CONTROL
LOW BAND SWITCH CONTROL
PRESELECTOR DRIVER CONTROL
LOG
DET
J
ALIGNMENT
THERMOMETER
RF
Input
VCO
+10 to
-10 mA
DAC
DAC
LO
DISTRIBUTION
SWEEP
RAMP
NOTE: Power levels based on these settings:
Mode: Spectrum Analyzer unless specified differently
Input Signal 20 GHz, -25 dBm
Center Frequency 20 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 measuring system
BIAS
TEE
MIXER BIAS, AMP BIAS,
PREAMP BIAS, E-ATTEN CONTROL,
SWITCH CONTROL, 1st LO POWER OPTIMIZATION,
YTF TUNE RAMP
W20
ECAL In
A13W1
A13W2
J2
J4
W4
From A14
LO Synthesizer
IF
Out
Aux LO
+10 dBm
Aux LO
+3 dBm
J2
IF INIF OUT
block_nfab_rfmmW_hi2
+15 dBm
J4
J12
J2
X2
J1
A12 YTF
W22
W8
W7
Preselector
FOOTNOTES
1
IF OUT from A13
IF Path IF Freq.
10 MHz
25 MHz
322.5 MHz
322.5 MHz
7-19-2017

Keysight N8973B Specifications

General

Brand	Keysight
Model	N8973B
Category	Measuring Instruments
Language	English