Keysight Technologies N5224A Service Manual page 121

N5224A/25A 2-Port Overall Block Diagram
(Includes Options 200-Standard; 201-Configurable
Test Set; 217-Attenuators; and 219-Bias Tees)
Service Guide: N5225-90001
A55 A21 CPU
HARD DISK
DRIVE
A20
(1) 1 (2) 2 (3) 3 4 (4) 5 (5) POWER
Mixer A19 MIDPLANE
SUPPLY
Brick L.O.
Band A7/A8/A12/A13
Harmonic A15 Synthesizer A25 HMA26.5 A4/A17 Synthesizer A5/A10 Source AC LINE IN
50 GHz Doubler
Number Frequency (GHz) Frequency (GHz) Frequency (GHz) Frequency (GHz) A22
Frequency (GHz)
GPIB
0 - - - - - -
1 - - - - - -
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
25 3 10.6691 to 13.5025 10.6691 to 13.5025 8.000 to 10.125 16.000 to 20.250 32.000 to 40.500
26 3 6.7512 to 7.1106 13.5025 to 14.2211 10.125 to 10.664 20.250 to 21.328 40.500 to 42.656
27 3 7.1106 to 7.2512 14.2211 to 14.5025 10.664 to 10.875 21.328 to 21.750 42.656 to 43.500
50 OHM
LOAD W59
28 3 7.2512 to 7.7012 14.5025 to 15.4025 10.875 to 11.550 21.750 to 23.100 43.500 to 46.200 0.01 - 26.5 GHz
29 3 7.7012 to 8.0012 15.4025 to 16.0025 11.550 to 12.000 23.100 to 24.000 46.200 to 48.000
50 OHM
LOAD W56
30 3 8.0012 to 8.3346 16.0025 to 16.6691 12.000 to 12.500 24.000 to 25.000 48.000 to 50.000 3.2 - 19 GHz
A14 FREQUENCY REFERENCE
10 MHz
W78 J3
10 MHz
REF OUT
10 MHz
HIGH ST AB
Test Node Error Description OCXO
Assembly Frequency Band
DAC
A5 0.01 - 13.5 GHz
8 Unleveled, Source 1, Out 1
A7 13.5 - 50 GHz
A5 0.01 - 13.5 GHz 215
9 Unleveled, Source 1, Out 2
A8 13.5 - 50 GHz 10 MHz
W79
10 MHz J2
10 Unleveled, Source 1 Synthesizer A4 Full Range REF IN
A10 0.01 - 13.5 GHz
11 Unleveled, Source 2, Out 1
A12 13.5 - 50 GHz
A10 0.01 - 13.5 GHz
12 Unleveled, Source 2, Out 2
A13 13.5 - 50 GHz
13 Unleveled, Source 2 Synthesizer A17 Full Range A23 TEST SET MOTHERBOARD
BIAS 1 IN
14 Unleveled, LO Drive A25 Full Range
15 Unleveled, LO Synthesizer A15 Full Range
16 Unlocked, Source 1 Synthesizer, Integrator Low A4 Full Range
17 Unlocked, Source 1 Synthesizer, Integrator High A4 Full Range BIAS 3 IN
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 BIAS 4 IN
23 Unlocked, LO Synthesizer, Integrator High A15 Full Range
25 Unleveled, Doubler 1 Prelevel A7 13.5 - 50 GHz
26 Unleveled, Doubler 2 Prelevel A8 13.5 - 50 GHz BIAS 2 IN
27 Unleveled, Doubler 3 Prelevel A12 13.5 - 50 GHz
28 Unleveled, Doubler 4 Prelevel A13 13.5 - 50 GHz
29 Unleveled, Source 1, P4 A5 13.5 - 50 GHz
30 Unleveled, Source 2, P4 A10 13.5 - 50 GHz
14 Feb 2014
N5225A_blk_2port
A3 A2
DISPLAY USB BD
A16 SIGNAL PROCESSING
ADC MODULE (SPAM)
USB
HUB
DISPLAY INVERTER 9 MHz
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
A23
HIGH DENSITY DATA BUS TO A4, A5, A7, A8,
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
Bx = ACTIVE SOURCE BAND 10 MHz REF
EXT TEST SET DRIVE LO OUT
EXT TEST SET DRIVE RF1 OUT
A15 13.5 GHz LO SYNTHESIZER A25 LO MULTIPLIER/AMPLIFIER 26.5 (HMA26.5)
B13, 6.75-8.0 GHz B15, 10.66-13.51 GHz
2-4 GHz 16-17,26-29 21-22,25
B14-15,
18-25,
30
B12,15, 5.33-6.75 GHz X2
B11-30 21-22,25 8.0-10.66 GHz
MAIN X2
22,23 1
B11,14, 4.0-5.33 GHz B14,
18-20, 18-20,
Frac-N 23-24,30 23-24,30
ƒ
Logic
B2-30
3.0-4.0 GHz
B9-10 0.011-13.517 GHz
-10 to +10 dBm
50 MHz W51
REF
2.0-3.0 GHz B11-13, J1207
16-17,26-29
J5 B8
15
10 MHz B6-10 ALC
10 MHz REF W74
1.0-2.0 GHz
J4 B7
2
50 MHz
B5 B2-4
50 MHz REF W75 0.5-1.0 GHz
2 B6
J5 250 MHz
W76
J6 LOCAL DDS 0.25-0.5 GHz
DIGITAL
100 MHz BUS B5
10 J7 POWER B2-4
ƒ
BUS DDS=Direct Digital Synthesizer
NC
J8
200 Hz 21 1
DC BIAS 1 TO A42
J541
DC BIAS 3 TO A43
J542
DC BIAS 4 TO A44
J543
DC BIAS 2 TO A45
J544
A4 13.5 GHz SOURCE 1 SYNTHESIZER B15, A5 26.5 GHz SOURCE (SOURCE 1)
B13, 6.75-8.0 GHz 10.66-13.51 GHz
21-23,
2-4 GHz 16-17,24 B14-15, 27-30
18-23,
25-30
B11-30 B12,15, 5.33-6.75 GHz X2 8.0-10.66 GHz
21-23,27-30
MAIN X2
16,17
B11,14, B14,
18-20, 4.0-5.33 GHz 18-20,
25-26 25-26
ƒ Frac-N
Logic 3
POWER
BUS 3.0-4.0 GHz B2-30
0.01-13.51 GHz
TO B9-10
-10 to +10 dBm W1
A34 THRU A37, 50 MHz
A42 THRU A49 REF B11-13,
2.0-3.0 GHz 16-17,24 J1207 P1
J5 B8
LOCAL 10
DIGITAL BUS B6-10 ALC
1.0-2.0 GHz
B7 2
B5 B2-4
0.5-1.0 GHz
B6
250 MHz
LOCAL DDS LOCAL
0.25-0.5 GHz DIGITAL BUS
DIGITAL B5
BUS
POWER
POWER B2-4 BUS
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
W69 EXT IF IN A
P3 W61
AUX R4
W149 W62
Main IF B
P201
10.7 MHz
Pulse B PULSE
GATES
W63
P203 EXT IF IN B R1
P411
AUX R3
W64
R2
W150 P412
Main IF R
10.7 MHz R3
Pulse R PULSE P413
W73 P403 GATES
EXT IF IN R
R4
P414
Main IF C
P601
10.7 MHz
Pulse C PULSE
GATES
P603 EXT IF IN C
AUX R2
Main IF D
P801
10.7 MHz
Pulse D PULSE
GATES
EXT IF IN D
P803
AUX R1
PULSE
MODULATION
LOGIC
SOURCE
PULSE
DRIVE OUT
W56 W55
3.2 - 19 GHz
A7 50 GHz
DOUBLER P5
40.5-50 GHz
B26-30
ALC 32-40.5 GHz
Modulator B25
W5 P4
X2
24-32 GHz
B22-24
25
W6 19-24 GHz
B19-21
P3
B16-18 13.5 - 19 GHz
20.0-26.5 GHz
2
B20-22
15.4-20.0 GHz 10 MHz - 13.5 GHz
B16-22,
26-30 26 GHz 0.011 - W52 P1
X2 26.507 GHz
B17-19,
29-30
13.5-15.4 GHz
B16, 14
26-28 511
13 GHz
B2-15,23-25
0.011-13.517 GHz
FROM
A23
J402 P4
20-26.5 GHz
B26-30 29
50 OHM
A8 50 GHz LOAD
16-20 GHz B16-30
B18,25 DOUBLER P5
X2 B10-30 40.5-50 GHz
B26-30
B10-15 B10-15
13.5-16 GHz
B16-17,24 ALC
B16-18, 32-40.5 GHz
24-30 Modulator 8 B2-15 ALC
Pulse 0.01-13.5 GHz W3 Modulator B25
Modulator OUT 1 W6
B10-15,19-23 P4
P5 X2
24-32 GHz
B2-9 B22-24
B10-15 50 OHM 26
B2-15 LOAD
9 4 19-24 GHz
B19-21
B2-9 B2-15 P3
ALC
0.01-13.5 GHz W4 B16-18 13.5 - 19 GHz
Modulator OUT 2
P3
3.2 GHz
B2-9
B2-9
P2 P6
10 MHz - 13.5 GHz
ALC ALC Pulse Pulse P1
Modulator Modulator Modulator Modulator
TO A27 A
A27 MIXER BRICK (1)
OPTION 200 OR 210
70.0 MHz
A68 ATTEN
A A
I R
L Direct W107
Connection
to A27 R1 3 dB
70.0 MHz
R1 R1 OPTION 201, 217, OR 219
I R
L A37 REF
SWITCH W42 RCVR R1 IN
W43
70.0 MHz W36 REF 1
R2 R2
I R
L SOURCE OUT
W41
W21
70.0 MHz
B B
I R
L
W57 EXT TSET DRIVE LO OUT
RECEIVER LO DRIVE
TO A27 B
OPTION 200 OR 210
W110
OPTION 201, 217,
OR 219
W46 - (201)
W47 - (217,219) RCVR R2 IN
W36 REF 2
SOURCE OUT
W33
OPTION 200
A29 RECEIVER OPTION 201,
COUPLER 217, OR 219
P2 A38 STEP
ATTEN
32-50 GHz W81 - (217,219)
B25-30
W107 (200,210)
19 - 50 GHz 26.5-32 GHz W21 (201,217,219)
B23-24 8
OPTION 210
19.5-26.5 GHz 5
ALC 19-50 GHz B19-22
Modulator Pulse P6 W11 W12
Modulators
20 GHz
13.5-19.5 GHz
Pulse
Modulator
OPTION 200
P2
A32 RECEIVER OPTION 201,
32-50 GHz
COUPLER 217, OR 219
B25-30
19 - 50 GHz 26.5-32 GHz
B23-24
9
A41 STEP
19-26.5 GHz
ALC 19-50 GHz 5 ATTEN
B19-22 W18
Modulator Pulse P6 W17
Modulators W93 - (217,219)
W110 (200,210)
20 GHz W33 (201,217,219)
OPTION 210
13.5-19.5 GHz
Pulse
Modulator
OPTION 200 OR 210
TO A27 A
W115
FROM A33
OPTION 201 RCVR A IN
W37
TO A27 A
W36 Port 1
W22
FROM A33
CPLR ARM
OPTION 217
A46 STEP
OR 219
ATTEN
W98 W97 RCVR A IN
TO A27 A
W36 Port 1
0-50 dB
W22 CPLR ARM
FROM A33
OPTION 200 OR 210
TO A27 B
W118
FROM A36
OPTION 201 RCVR B IN
W40
TO A27 B
W36 Port 2
W34
FROM A36
CPLR ARM
OPTION 217
A49 STEP
OR 219
ATTEN
W104 W103 RCVR B IN
TO A27 B
W36 Port 2
0-50 dB
W34 CPLR ARM
FROM A36
Port 1
SOURCE OUT
W36
CPLR THRU
W111
To Port 1 A33
W36 TEST PORT
COUPLER
W19 - (201) W20 - (201,217)
PORT 1
To Port 1 A42 BIAS
W36 DC BIAS 1
TEE
W82 - (217,219) W83 - (219) W84 - (219)
W115 (200,210)
0-50 dB
W22 (201,217,219)
A64 ATTEN
W123
Direct
Connection
6 dB to A33
Port 2
SOURCE OUT
W36
CPLR THRU
W114
A36
To Port 2
W36 TEST PORT
COUPLER
W31 - (201) W32 - (201,217)
PORT 2
To Port 2
W36 A45 BIAS
DC BIAS 2
TEE
W94 - (217,219) W95 - (219) W96 - (219)
0-50 dB W118 (200,210)
W34 (201,217,219)
A67 ATTEN
W124
Direct
Connection
6 dB to A36