Keysight N5227A Service Manual page 114

N5227A 2-Port Overall Block Diagram
(Includes Options 200-Standard; 201-Configurable
Test Set; and 219-Attenuators and Bias Tees)
Service Guide: N5227-90001
A55 A21 CPU
HARD DISK
DRIVE
A20
1 2 3 4 5 6
Mixer (1) (2) (3) (4) (5) (6) POWER A19 MIDPLANE
Brick L.O. SUPPLY
Band A4/A17 Source A7/A8/A12/A13 A60/A61/A62/A63
Harmonic A15 Synthesizer A25 HMA26.5 A5/A10 Source AC LINE IN
Synthesizer Frequency 40 GHz Doubler 70 GHz Doubler
Number Frequency (GHz) Frequency (GHz) Frequency (GHz)
(GHz) Frequency (GHz) Frequency (GHz)
A22
1 - - - - - - - GPIB
2 1 0.01083 to 0.05383 0.01083 to 0.05383 0.010 to 0.053 0.010 to 0.053 0.010 to 0.053 0.010 to 0.053
3 1 0.06044 to 0.18244 0.06044 to 0.18244 0.053 to 0.175 0.053 to 0.175 0.053 to 0.175 0.053 to 0.175
4 1 0.18244 to 0.25744 0.18244 to 0.25744 0.175 to 0.250 0.175 to 0.250 0.175 to 0.250 0.175 to 0.250
5 1 0.25744 to 0.50744 0.25744 to 0.50744 0.250 to 0.500 0.250 to 0.500 0.250 to 0.500 0.250 to 0.500
6 1 0.50744 to 1.0074 0.50744 to 1.0074 0.500 to 1.000 0.500 to 1.000 0.500 to 1.000 0.500 to 1.000
7 1 1.0074 to 2.0074 1.0074 to 2.0074 1.000 to 2.000 1.000 to 2.000 1.000 to 2.000 1.000 to 2.000
8 1 2.0074 to 3.0074 2.0074 to 3.0074 2.000 to 3.000 2.000 to 3.000 2.000 to 3.000 2.000 to 3.000
9 1 3.0074 to 3.2074 3.0074 to 3.2074 3.000 to 3.200 3.000 to 3.200 3.000 to 3.200 3.000 to 3.200
10 1 3.2074 to 4.0074 3.2074 to 4.0074 3.200 to 4.000 3.200 to 4.000 3.200 to 4.000 3.200 to 4.000
11 1 4.0074 to 5.3394 4.0074 to 5.3394 4.000 to 5.332 4.000 to 5.332 4.000 to 5.332 4.000 to 5.332
12 1 5.3394 to 6.7594 5.3394 to 6.7594 5.332 to 6.752 5.332 to 6.752 5.332 to 6.752 5.332 to 6.752
13 1 6.7594 to 8.0074 6.7594 to 8.0074 6.752 to 8.000 6.752 to 8.000 6.752 to 8.000 6.752 to 8.000
14 1 8.0074 to 10.6714 8.0074 to 10.6714 8.000 to 10.664 8.000 to 10.664 8.000 to 10.664 8.000 to 10.664
15 1 10.6714 to 13.5174 10.6714 to 13.5174 10.664 to 13.510 10.664 to 13.510 10.664 to 13.510 10.664 to 13.510
16 1 6.7587 to 7.7037 13.5174 to 15.4074 6.755 to 7.700 13.510 to 15.400 13.510 to 15.400 13.510 to 15.400
17 1 7.7037 to 8.0037 15.4074 to 16.0074 7.700 to 8.000 15.400 to 16.000 15.400 to 16.000 15.400 to 16.000
18 1 8.0037 to 9.5037 16.0074 to 19.0074 8.000 to 9.500 16.000 to 19.000 16.000 to 19.000 16.000 to 19.000
19 1 9.5037 to 10.0037 19.0074 to 20.0074 9.500 to 10.000 9.500 to 10.000 19.000 to 20.000 19.000 to 20.000
20 1 10.0037 to 10.6677 20.0074 to 21.3354 10.000 to 10.664 10.000 to 10.664 20.000 to 21.328 20.000 to 21.328
21 1 10.6677 to 12.0037 21.3354 to 24.0074 10.664 to 12.000 10.664 to 12.000 21.328 to 24.000 21.328 to 24.000
22 1 12.0037 to 13.2537 24.0074 to 26.5074 12.000 to 13.250 12.000 to 13.250 24.000 to 26.500 24.000 to 26.500
23 3 8.8358 to 9.0051 8.8358 to 9.0051 13.250 to 13.504 13.250 to 13.504 26.500 to 27.008 26.500 to 27.008
24 3 9.0051 to 10.6691 9.0051 to 10.6691 6.752 to 8.000 13.504 to 16.000 27.008 to 32.000 27.008 to 32.000
25 25 3 3 10.6691 to 13.3358 10.6691 to 13.3358 10.6691 to 13.3358 10.6691 to 13.3358 8.000 to 10.000 8.000 to 10.000 16.000 to 20.000 16.000 to 20.000 32.000 to 40.000 32.000 to 40.000 32.000 to 40.000 32.000 to 40.000
26 3 13.3358 to 13.5025 13.3358 to 13.5025 10.000 to 10.125 20.000 to 20.250 20.000 to 20.250 40.000 to 40.500
27 3 6.7512 to 7.1106 13.5025 to 14.2211 10.125 to 10.664 20.250 to 21.328 20.250 to 21.328 40.500 to 42.656
28 3 7.1106 to 7.7012 14.2211 to 15.4025 10.664 to 11.550 21.328 to 23.100 21.328 to 23.100 42.656 to 46.200
50 OHM
29 3 7.7012 to 8.0012 15.4025 to 16.0025 11.550 to 12.000 11.550 to 12.000 23.100 to 24.000 46.200 to 48.000 LOAD
W69
0.01 - 26.5 GHz
30 3 8.0012 to 8.3346 16.0025 to 16.6691 12.000 to 12.500 12.000 to 12.500 24.000 to 25.000 48.000 to 50.000
31 3 8.3346 to 9.0039 16.6691 to 18.0078 12.500 to 13.504 12.500 to 13.504 25.000 to 27.008 50.000 to 54.016 50 OHM
LOAD W66
32 3 9.0039 to 10.0012 18.0078 to 20.0025 6.752 to 7.500 13.504 to 15.000 27.008 to 30.000 54.016 to 60.000 3.2 - 19 GHz
33 3 10.0012 to 10.6679 20.0025 to 21.3358 7.500 to 8.000 15.000 to 16.000 30.000 to 32.000 60.000 to 64.000
34 3 10.6679 to 11.1679 21.3358 to 22.3358 8.000 to 8.375 16.000 to 16.750 32.000 to 33.500 64.000 to 67.000
35 3 11.1679 to 11.6679 22.3358 to 23.3358 8.375 to 8.750 16.750 to 17.500 33.500 to 35.000 67.000 to 70.000
A14 FREQUENCY REFERENCE
W88 J3 10 MHz
10 MHz
REF OUT
10 MHz
HIGH ST AB
OCXO
DAC
Test Node Error Description Assembly Frequency Band
W89 10 MHz
A5 0.01 - 13.5 GHz J2
10 MHz
REF IN
8 Unleveled, Source 1, Out 1 A7 13.5 - 40 GHz
A29 40 - 70 GHz
A5 0.01 - 13.5 GHz
9 Unleveled, Source 1, Out 2 A8 13.5 - 40 GHz
A32 40 - 70 GHz
A23 TEST SET MOTHERBOARD
10 Unleveled, Source 1 Synthesizer A4 Full Range
BIAS 1 IN
A10 0.01 - 13.5 GHz
11 Unleveled, Source 2, Out 1 A12 13.5 - 40 GHz
A30 40 - 70 GHz
BIAS 3 IN
A10 0.01 - 13.5 GHz
12 Unleveled, Source 2, Out 2 A13 13.5 - 40 GHz
A31 40 - 70 GHz
BIAS 4 IN
13 Unleveled, Source 2 Synthesizer A17 Full Range
14 Unleveled, LO Drive A25 Full Range
15 Unleveled, LO Synthesizer A15 Full Range
16 Unlocked, Source 1 Synthesizer, Integrator Low BIAS 2 IN
A4 Full Range
17 Unlocked, Source 1 Synthesizer, Integrator High
A4 Full Range
19 Unlocked, Source 2 Synthesizer, Integrator Low
A17 Full Range
20 Unlocked, Source 2 Synthesizer, Integrator High
A17 Full Range
22 Unlocked, LO Synthesizer, Integrator Low
A15 Full Range
23 Unlocked, LO Synthesizer, Integrator High
A15 Full Range
25 Unleveled, Doubler 1 Prelevel
A7 13.5 - 70 GHz
26 Unleveled, Doubler 2 Prelevel A8 13.5 - 70 GHz
27 Unleveled, Doubler 3 Prelevel A12 A12 13.5 - 70 GHz 13.5 - 70 GHz
28 Unleveled, Doubler 4 Prelevel A13 13.5 - 70 GHz
29 Unleveled, Source 1, P4 A5 13.5 - 70 GHz
30 Unleveled, Source 2, P4 A10 13.5 - 70 GHz
20 Feb 2014
N5227A_blk
A3 A2
DISPLAY USB BD
A16 SIGNAL PROCESSING
ADC MODULE (SPAM)
USB
HUB
9 MHz
DISPLAY INVERTER KEYPAD
PROCESSOR POWER
FLASH
15 MHz
SPEAKER
9 MHz
A1 FRONT PANEL INTERFACE BOARD
15 MHz
PCI BUS
9 MHz
15 MHz
9 MHz
15 MHz
9 MHz
15 MHz
A18
SYSTEM
POWER BUS
MOTHERBOARD
LOCAL DIGITAL BUS
DITHER PULSE
NOISE
DRIVE
DIRECT CONNECT 10 MHz REF
TO A4, A5, A7, A8, A23
HIGH DENSITY DATA BUS
A10, A12, A13, TEST SET
A14, A15, A17
MOTHERBOARD
POWER BUS
LOCAL DIGITAL BUS
MIXED POWER AND CONTROL SIGNALS
FROM THE A23 TEST SET MOTHERBD
SERIAL TEST BUS NODES
10 MHz REF
Bx = ACTIVE SOURCE BAND
EXT TEST SET DRIVE LO OUT
EXT TEST SET DRIVE RF1 OUT
A15 13.5 GHz LO SYNTHESIZER B15,
6.75-8.0 GHz 21-23, 10.66-13.51 GHz
B13,16-17, B14-15, 28-31
2-4 GHz 24,32-33 18-23,
25-31,
34-35
B12,15, 5.33-6.75 GHz X2
B11-35 21-23,28-31 8.0-10.66 GHz
MAIN X2
22,23 B14,
B11,14, 4.0-5.33 GHz 18-20,
18-20,
25-27,34-35 25-27,34-35
ƒ Frac-N
Logic
B2-35
3.0-4.0 GHz 0.011-13.517 GHz
B9-10
-10 to +10 dBm
50 MHz
REF B11-13,
2.0-3.0 GHz 16-17,24,32-33 J1207
J5 B8
15
10 MHz B6-10 ALC
10 MHz REF W84
1.0-2.0 GHz
B7
J4 2
50 MHz W85 B5 B2-4
50 MHz REF 0.5-1.0 GHz
2 B6
J5
W86 250 MHz
J6 LOCAL DDS
DIGITAL 0.25-0.5 GHz
BUS B5
100 MHz
J7 POWER B2-4
10
215 ƒ BUS
NC DDS=Direct Digital Synthesizer
J8
200 Hz 211
J541 DC BIAS 1 TO A42
J542 DC BIAS 3 TO A43
DC BIAS 4 TO A44
J543
J544 DC BIAS 2 TO A45
A4 13.5 GHz SOURCE 1 SYNTHESIZER B15,
B13,16-17, 6.75-8.0 GHz 21-23, 10.66-13.51 GHz
2-4 GHz B14-15, 28-31
24,32-33 18-23,
25-31,
34-35
5.33-6.75 GHz X2
B12,15, 8.0-10.66 GHz
B11-35 21-23,28-31
MAIN X2
16,17 B11,14, B14,
18-20, 4.0-5.33 GHz 18-20,
25-27,34-35 25-27,34-35
Frac-N
POWER ƒ
Logic B2-35
BUS 3.0-4.0 GHz
0.01-13.51 GHz
B9-10 -10 to +10 dBm
TO
A34 THRU A37, 50 MHz
REF B11-13,
A42 THRU A49 2.0-3.0 GHz 16-17,24,32-33 J1207
J5 B8
LOCAL
DIGITAL BUS B6-10 10
ALC
1.0-2.0 GHz
B7 2
B5 B2-4
0.5-1.0 GHz
B6
250 MHz
LOCAL DDS
DIGITAL B5 0.25-0.5 GHz
BUS
POWER B2-4
BUS
DDS=Direct Digital Synthesizer
A24 IF MULTIPLEXER
IF = 0.826 MHz for CW Freq < 53 MHz
IF = 7.438 MHz for CW Freq > 53 MHz
Main IF A
10.7 MHz P1
PulseA PULSE
GATES
W79
P3 EXT IF IN A
AUX R4
W99
Main IF B
10.7 MHz P201
Pulse B PULSE
GATES
W81 EXT IF IN B R1
P203
P411
AUX R3
R2
W100
P412
Main IF R
10.7 MHz R3
W83 Pulse R PULSE P413
P403 GATES
EXT IF IN R
R4
P414
Main IF C
10.7 MHz P601
Pulse C PULSE
GATES
P603 EXT IF IN C
AUX R2
Main IF D
10.7 MHz P801
Pulse D PULSE
GATES
EXT IF IN D
P803
AUX R1
PULSE
MODULATION
LOGIC
SOURCE
PULSE
DRIVE OUT
A7 40 GHz
W66 W65
DOUBLER P5
ALC
Modulator
W5 P4
25
W6
A25 LO MULTIPLIER/AMPLIFIER 26.5 (HMA26.5)
P3
B16-18
20.0-26.5 GHz
2
B20-22,
33-35
1
B16-22, 15.4-20.0 GHz 10 MHz - 13.5 GHz
26 GHz 0.011 -
27-35 X2 W62 P1
B17-19, 26.507 GHz
29-32
13.5-15.4 GHz
W61
B16,
511 14
27-28
13 GHz
B2-15,23-26
0.011-13.517 GHz FROM
A19
J402 P4
A5 26.5 GHz SOURCE (SOURCE 1)
B16-35
20-26.5 GHz
B26-28 29
50 OHM
A8 40 GHz
16-20 GHz
DOUBLER P5
X2 B18,25,34-35
B16-18, B10-15
3 B16-17,24, 13.5-16 GHz
24-28,32-35 32-33 ALC B2-15
Modulator 8 ALC
Pulse 0.01-13.5 GHz Modulator
OUT 1 W3
W1 Modulator W6 P4
B10-15,19-23,29-31
P1 P5
B2-9
50 OHM 26
B10-15 LOAD
B2-15 9 4
B2-9 B2-15 P3
ALC 0.01-13.5 GHz
OUT 2 W4 B16-18
Modulator
P3
LOCAL 3.2 GHz
DIGITAL BUS B2-9 B2-9
P2 P6
POWER 10 MHz - 13.5 GHz
BUS
ALC ALC Pulse Pulse P1
Modulator Modulator Modulator Modulator
A27 MIXER BRICK (1)
OPTION 200 OR 210
W71 70.0 MHz A68 ATTEN
A I R A W127
Direct
L
Connection
to A27 R1 3 dB
W72 R1 70.0 MHz R1
I R OPTION 201 OR 219
L
W53
Direct
Connection
to A27 R1
W73 70.0 MHz
R2 R2
I R
L
W74 70.0 MHz
B B
I R
L
W69
EXT TSET DRIVE LO OUT
RECEIVER LO DRIVE
W11 W12
3.2 - 19 GHz
P2 B26-35 A60 70 GHz DOUBLER
20-35 GHz
40-50 GHz
32-50 GHz 40-50 GHz
B25 B26-30 10 MHz
W13 W14 35 GHz to 40 GHz
B25, 32-40 GHz B2-25
34-35 19 - 50 GHz 26.5-32 GHz X2
50-70 GHz
B23-24 8
X2 B31-35
B22-24 24-32 GHz ALC 40-70 GHz
Modulator Pulse
30-33 19.5-26.5 GHz 5 Modulator
ALC 19-50 GHz B19-22
Modulator Pulse
Modulators P6
B19-21, 19-24 GHz
26-29
20 GHz
13.5 - 19 GHz
8
W91
10 MHz
13.5-19.5 GHz J401 J2 to 70 GHz
Pulse W92
Modulator
J500 J4
W23 W24
LOAD P2 B26-35 A63 70 GHz DOUBLER
20-35 GHz
40-50 GHz
32-50 GHz 40-50 GHz
B25 B26-30 10 MHz
W25 W26 35 GHz to 40 GHz
B25, 32-40 GHz B2-25
34-35 19 - 50 GHz 26.5-32 GHz X2
50-70 GHz
B23-24 9
X2 B31-35
B22-24 24-32 GHz ALC 40-70 GHz
Modulator Pulse
30-33 19.5-26.5 GHz 5 Modulator
ALC 19-50 GHz B19-22
Modulator Pulse
Modulators P6
B19-21, 19-24 GHz
26-29
20 GHz
13.5 - 19 GHz
9
W97
10 MHz
13.5-19.5 GHz J401 J2 to 70 GHz
Pulse W98
Modulator
J500 J4
OPTION 200 OR 210
TO A27 A TO A27 A
W135
FROM A33
OPTION 200 OR 210
OPTION 201 W47 RCVR A IN
W127
TO A27 A W34
FROM A33
OPTION 201 OR 219 CPLR ARM
OPTION 219 A46 STEP
ATTEN
A37 REF
SWITCH W118 W117 RCVR A IN
W52 RCVR R1 IN
W53 TO A27 A
W60 REF 1 0-50 dB
W34
CPLR ARM
W51 SOURCE OUT FROM A33
W33
OPTION 200 OR 210
TO A27 B TO A27 B
W138
FROM A36
OPTION 200 OR 210
OPTION 201 W50
RCVR B IN
W130
TO A27 B
W46
FROM A36
OPTION 201 OR 219 CPLR ARM
W56 RCVR R2 IN
OPTION 219
A49 STEP
W60 REF 2 ATTEN
W123 RCVR B IN
W45 SOURCE OUT
TO A27 B
0-50 dB
W46
CPLR ARM
FROM A36
Port 1
SOURCE OUT
CPLR THRU
OPTION 201
W31 W32
A29 RECEIVER A33
COUPLER TEST PORT
OPTION 200
COUPLER
W27 W131
PORT 1
OPTION 210
A64 ATTEN
W139
Direct
Connection
6 dB to A33
OPTION 219 To Port 1
DC BIAS 1
W60
A38 STEP
A42
ATTEN
BIAS TEE
W102 W103
W101 W104
0-50 dB
Port 2
SOURCE OUT
CPLR THRU
OPTION 201
W43 W44
A32 RECEIVER A36
COUPLER TEST PORT
OPTION 200
W134 COUPLER
W30
PORT 2
OPTION 210
A67 ATTEN
W142
Direct
Connection
6 dB to A36
OPTION 219 To Port 2
DC BIAS 2
W60
A41 STEP
A45
ATTEN
BIAS TEE
W113 W114 W115 W116
0-50 dB
W60 Port 1
W60 Port 1
W60 Port 2
W60 Port 2
W60
W60