BRUEL & KJAER 2021 Filtration System Manuals

Manuals and User Guides for BRUEL & KJAER 2021 Filtration System. We have 1 BRUEL & KJAER 2021 Filtration System manual available for free PDF download: Instructions And Applications

BRUEL & KJAER 2021 Instructions And Applications (167 pages)

Heterodyne Slave Filter

Brand: BRUEL & KJAER | Category: Water Filtration Systems | Size: 42.76 MB

Table of Contents
4
Feedback Loop with Vibration Programmer Type 4411
7
Introduction
9
General
9
Feedback Loop with Vibration Programmer Type 4411
9
Arrangement of this Manual
10
Controls
12
Front Panel
12
Rear Panel
16
Description
20
Introduction
20
Reference Oscillator
22
Input Amplifier & Attenuator
22
15Khz CUT-OFF FILTER
22
Heterodyne Slave Filter
22
Principle of Operation
22
Filter Tuning Frequencies
24
Input Mixer
25
60Khz Band-Pass Filter
25
DC Mixer
26
DC Channels
27
Summation Amplifier
28
60Khz Amplifier and Filter
28
Output Modulator
29
15 Khz Output Fi Iter
29
Rejection Amplifier
29
30Khz Low Pass Filter
30
Unity Gain Amplifier
30
Of the Filter
31
Bandwidth Compensation
31
Bandwidth Programming
31
Meter and Recorder Amplifier
32
Ouasi-RMS Detector
33
Operation with Automatic Vibration Exciter Control Type 1025
35
General
35
High Frequency Tuning Connections to 2021
36
Connection of a Single 2021 to 1025
36
Connection of more than One 2021 to 1025
37
Phase Locking Two 2021 S
37
Remote Bandwidth Control Connections
38
Operation Without 3000 Hz Cross-Over
38
Rewiring RELAY CONTROL B Socket to Provide 3000 Hz Cross-Over
39
Separate Connecting Lead for 3000Hz Cross-Over
40
Calibration
40
Frequency Calibration of the Exciter Control
41
Modulator Adjustment of the 2021
42
Rejection Adjustment of the 2021
43
Adjustment of 2021 Meter Sensitivity
43
Applications
44
Frequency Analysis
44
Distortion Measurements
47
Use in a Simple Feedback Loop
47
Use of Multiple 2021 S with Control Signal Selector
51
Type4410
51
Use of both 4410 and 4411 in Selective Feedback Loops
54
Cables Used with 1025/2021 Combinations
57
Operation with Sine-Random Generator Type 1042
60
General
60
High Frequency Tuning Connections to 2021
61
Connection of a Single 2021 to 1042
61
Connection of more than One 2021 to 1042
62
Remote Bandwidth Control Connections
64
Operation Without 3000Hz Cross-Over
65
Rewiring RELAY CONTROL Socket to Provide 3000Hz Cross-Over
66
Separate Connecting Lead for 3000 Hz Cross-Over
67
Calibration
67
60 Khz Signal Adjustment
67
Frequency Calibration of the Sine-Random Generator
69
Rejection Adjustment of 2021
70
Adjustment of 2021 Meter Sensitivity
71
Applications
72
Frequency Analysis
72
Distortion Measurements
73
Use in a Simple Feedback Loop
74
Feedback Loop with Vibration Programmer
76
Type 4411
76
Use of Multiple 2021 S with Control Signal Selector
78
Type4410
78
Use of both 4410 and 4411 in Selective Feedback Loops
81
Cable Used with 1042/2021 Combinations
84
Operation with Exciter Control Type 1026
87
General
87
High Frequency Tuning Connections to 2021
87
Remote Bandwidth Control Connections
88
Calibration
88
Modulator Adjustment of the 2021
88
Rejection Adjustment of the 2021
89
Adjustment of 2021 Meter Sensitivity
90
Applications
91
Frequency Analysis
91
Distortion Measurements
92
Operation with Automatic Vibration Exciter
93
Control Types 1008 & 1019
93
General
93
High Frequency Tuning Connections to 2021
94
Connections of a Single 2021 to 1008 or 1019
94
Connections of more than One 2021 to 1008/1019
95
Phase Locking Two 2021S
95
Remote Bandwidth Control Connections
96
Operation Without 3000 Hz Cross-Over
96
Re-Wiring RELAY CONTROL B Socket to Provide 3000Hz Cross-Over
97
Separate Connecting Lead for 3000Hz Cross-Over
99
Calibration
99
Frequency Calibration of the Exciter Control
99
Modulator Adjustment of the 2021
100
Rejection Adjustment of the 2021
101
Adjustment of 2021 Meter Sensitivity
101
Applications
102
Frequency Analysis
102
Distortion Measurements
104
Use in a Simple Feedback Loop
104
Use of Multiple 2021 S with Control Signal Selector
109
Type 4410
109
Use of both 4410 and 4411 in Selective Feedback Loops
111
Cables Used for 1008 and 1019 Combinations with 2021
115
Operation with Sine-Random Generator
118
Type 1040 and 1041
118
General
118
High Frequency Tuning Connections to 2021
119
Connections of a Single 2021 to 1040 or 1041
119
Connections of more than One 2021 to 1040/1041
120
Remote Bandwidth Control Connections to 1040
122
Operation Without 3000Hz Cross-Over
123
Re-Wiring RELAY CONTROL Socket to Provide 3000Hz Cross-Over
123
Separate Connecting Lead for 3000Hz Cross-Over
125
Remote Bandwidth Control Connections to 1041
125
Operation Without 3000Hz Cross-Over
125
Connection of RELAY CONTROL Socket to Provide 3000Hz Cross-Over
126
Calibration
126
60Khz Signal Adjustment
127
Frequency Calibration of the Sine-Random Generator
128
Modulator Adjustment of the 2021
128
Rejection Adjustment of the 2021
129
Adjustment of 2021 Meter Sensitivity
130
Applications
131
Frequency Analysis
131
Distortion Measurements
132
Use in a Simple Feedback Loop
133
Feedback Loop with Vibration Programmer Type 4411
136
Use of Multiple 2021 S with Control Signal Selector
139
Use of both 4410 and 4411 in Selective Feedback Loops
143
Cables Used for 1040 and 1041 Combinations with 2021
148
Appendix
153
Error Due to Rate of Sweep in Rejection Measurements
153
Random Signal Averaging
157
Filter Definitions
160
Ideal Filter
161
Bandwidth
161
Specifications
162

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BRUEL & KJAER 2021 Filtration System Manuals

BRUEL & KJAER 2021 Instructions And Applications (167 pages)

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