Model 3364 - Krohn-Hite

Model 3364 - Krohn-Hite
DC Source/Calibrators, Tunable Electronic Filters,
Wideband Power Amplifiers
Precision Phasemeters, Distortion Analyzers
Function Generators, RC Oscillators
“Quality” in Test and Measurement Since 1949
Model 3364
0.1Hz to 200kHz
Four Channel 4-Pole Filter
• Four Independent Filter Channels
•
•
•
•
•
•
Two Independent Band-Pass Channels
Attenuation: 24dB/Octave
Functions: High-Pass, Low-Pass, Band-Pass
Response: Butterworth and Bessel
Input: Differential and Single-Ended
Input Gain: 0dB to 50dB in 10dB steps
Output Gain: 0dB to 20dB in 0.1dB steps
DESCRIPTION
The Krohn-Hite Model 3364 Four Channel Filter provides ease of
operation and the reliability Krohn-Hite has been known for since
1949; along with a price that will fit any budget.
The 3364 four independent channels provide a tunable frequency
range from 0.1Hz to 200kHz; and with the 002 option, the range is
extended to 0.005Hz. The frequency response characteristic is
selectable to either maximally flat (Butterworth) for clean filtering
in the frequency domain, or linear phase (Bessel) for complex
filtering.
Each channel of the 3364, also offers selectable functions of
low-pass and high-pass 4-pole filtering with selectable input gains
to 50dB in 10dB steps, and output gains to 20dB selectable in
0.1dB steps. The 3364 will accept input signals to ±10V peak at
0dB gain and has selectable ac or dc coupling. Memory is
available for storing a set-up of the instrument which can be
recalled with a simple command.
Low-Pass Amplitude Response
BAND-PASS/BAND/REJECT OPERATION
With the Model 3364 the user can simply connect two channels in
series to achieve band-pass operation or connect the two in
summed parallel for band-reject operation. A total of two
band-pass/band-reject channels are available in the 3364.
APPLICATIONS
Applications of the Model 3364 are anti-aliasing, ultra-sound
measurements, random noise testing, sound recording,
suppressing interference in audio communications and related
fields of medical, geological, geophysical, oceanographic,
military and many more.
High-Pass Amplitude Response
Krohn-Hite Corporation, 15 Jonathan Drive, Unit 4, Brockton, MA 02301
Tel: 508-580-1660; Fax: 508-583-8989; www.krohn-hite.com; email: sales@krohn-hite.com
Page 1 of 2
3364Data.vp
0.1Hz to 200kHz Four Channel Filter
SPECIFICATIONS
Specifications apply at 25°C, ±5°C.
Model 3364
Output:
Post-Filter Gain: 0dB to 20dB in 0.1dB steps, ±0.2dB.
FUNCTIONS
Low-pass filter, high-pass filter. Provides two channel of
band-pass or band-reject via external connections.
Maximum Voltage (open circuit): ±10V peak.
FILTER CHARACTERISTICS
Type: 4-pole, selectable Butterworth and Bessel.
DC Offset: Adjustable to zero volts.
Attenuation Slope: 24dB/octave.
Tunable Frequency Range fc: 0.1Hz to 200kHz; (option
002, 0.005Hz).
Frequency Resolution: 0.001Hz, 0.1Hz to 0.999Hz; 3
Digits, 1Hz to 200kHz, (option 002, 0.001Hz from 0.005Hz
to 0.1Hz).
Cutoff Frequency Accuracy: ±3%.
Relative Gain at fc: –3dB, Butterworth; –7.58dB, Bessel.
High-Pass Bandwidth (0dB Gain): >2MHz.
Stopband Attenuation: >80dB.
Wideband Noise (2MHz bandwidth detector): 0dB gain,
<400µVrms. Max. gain, <25µVrms RTI.
Harmonic Distortion (1V input, 0dB gain): –60dB (0.1%)
to 10kHz; –50dB (0.3%) to 100kHz.
Maximum Current: ±80mA peak.
Impedance: 50 ohms.
GENERAL
Crosstalk Between Channels ( input source £50 ohms):
–80dB for fsig £200kHz, –70dB for fsig >200kHz.
Memory: 9 stored set-ups.
Self-Test Diagnostics: MPU checks unit upon power-up.
Display indicates failure mode.
Displays: 7 segment, green, LED; 0.3" high.
Operating Temperature: 0°C to 50°C.
Isolation to Chassis: ±200Vdc.
Input/Output Connectors: BNC.
Power Requirements: 90-132/180-264 volts ac,
50Hz-400Hz, 10 watts (3361), 15 watts (3362), 30 watts
(3364).
DC Stability: Typically ±1mV/°C.
Dimensions and Weights: 3.5“ (9cm) high, 14" (36cm)
wide, 12.5” (32.13cm) deep; 12 lbs (5.4kg) net, 14 lbs
(6.3kg) shipping.
Input: Differential or single-ended.
Accessories: 3-terminal line cord; operating manual.
Pre-Filter Gain: 0dB, 10dB, 20dB, 30dB, 40dB, 50dB,
±0.2dB.
Impedance: 1 megohm in parallel with 25pf.
Maximum Input: ±10V peak at 0dB gain, reduced in
proportion to gain setting.
OPTIONS
002: extends low end cutoff to 0.005Hz.
BK-330: Line/battery operation.
CMRR: >60dB to 10kHz; >50dB to 100kHz.
Rack Mount Kit: Part No. RK-314, permits installation of
the Model 3364 into a standard 19" rack spacing.
Coupling: ac (0.16Hz) or dc.
Extended 1 Year Warranty: Part No. EW3364.
Sensitivity: 3mV peak with 70dB total gain for 10V
peak output.
OPTIONAL ACCESSORIES
CAB-025: Cable, BNC, 3ft, Low Noise
Maximum DC Component: ±100V in ac coupled
mode.
Specifications subject to change without notice.
Krohn-Hite Corporation, 15 Jonathan Drive, Unit 4, Brockton, MA 02301
Tel: 508-580-1660; Fax: 508-583-8989; www.krohn-hite.com; email: sales@krohn-hite.com
Page 2 of 2
3364Data.vp
4-Pole Low-Pass Butterworth
Theoretical Transfer Characteristics
f/fc
(Hz)
Amp
(dB)
Phase
(Deg)
Delay (1)
(sec)
0.00
0.10
0.20
0.30
0.40
0.50
0.000
0.000
0.000
0.000
-0.003
-0.017
0.00
-15.00
-30.10
-45.50
-61.40
-78.00
0.416
0.418
0.423
0.433
0.449
0.474
0.60
0.70
0.80
0.85
0.90
-0.072
-0.243
-0.674
-1.047
-1.555
-95.70
-115
-136
-147
-158
0.511
0.558
0.604
0.619
0.622
0.95
1.00
1.10
1.20
1.30
-2.210
-3.010
-4.970
-7.240
-9.620
-169
-180
-200
-217
-231
0.612
0.588
0.513
0.427
0.350
1.40
1.50
1.60
1.70
1.80
-12.000
-14.300
-16.400
-18.500
-20.500
-242
-252
-260
-266
-272
0.289
0.241
0.204
0.175
0.152
1.90
2.00
2.25
2.50
2.75
-22.300
-24.100
-28.200
-31.800
-35.100
-277
-282
-291
-299
-304
0.134
0.119
0.091
0.072
0.059
3.00
3.25
3.50
4.00
5.00
-38.200
-41.000
-43.500
-48.200
-55.900
-309
-313
-317
-322
-330
0.049
0.041
0.035
0.027
0.017
6.00
7.00
8.00
9.00
10.00
-62.300
-67.600
-72.200
-76.300
-80.000
-335
-339
-341
-343
-345
0.012
0.009
0.007
0.005
0.004
Note (1)
Normailzed Group Delay: is normailzed to
a frequency of 1.0Hz. The actual delay is the
normalized delay divided by the actual corner
frequency (fc).
4-Pole Low-Pass Bessel
Theoretical Transfer Characteristics
f/fc
(Hz)
Amp
(dB)
Phase
(Deg)
Delay (1)
(sec)
0.00
0.10
0.20
0.30
0.40
0.50
0.000
-0.028
-0.111
-0.251
-0.448
-0.705
0.000
-12.100
-24.200
-36.300
-48.400
-60.600
0.336
0.336
0.336
0.336
0.336
0.336
0.60
0.70
0.80
0.85
0.90
-1.020
-1.410
-1.860
-2.110
-2.400
-72.700
-84.800
-96.800
-103.000
-109.000
0.336
0.336
0.335
0.334
0.333
0.95
1.00
1.10
1.20
1.30
-2.690
-3.010
-3.710
-4.510
-5.390
-115.000
-121.000
-133.000
-144.000
-156.000
0.332
0.330
0.325
0.318
0.308
1.40
1.50
1.60
1.70
1.80
-6.370
-7.420
-8.540
-9.710
-10.900
-166.000
-177.000
-187.000
-195.000
-204.000
0.295
0.280
0.263
0.246
0.228
1.90
2.00
2.25
2.50
2.75
-12.200
-13.400
-16.500
-19.500
-22.400
-212.000
-219.000
-235.000
-248.000
-259.000
0.211
0.194
0.158
0.129
0.107
3.00
3.25
3.50
4.00
5.00
-25.100
-27.600
-30.000
-34.400
-41.900
-267.000
-275.000
-281.000
-291.000
-305.000
0.089
0.076
0.065
0.049
0.031
6.00
7.00
8.00
9.00
10.00
-48.100
-53.400
-58.000
-62.000
-65.700
-315.000
-321.000
-326.000
-330.000
-333.000
0.021
0.016
0.012
0.009
0.008
Note (1)
Normailzed Group Delay: is normailzed to a frequency
of 1.0Hz. The actual delay is the normalized delay
divided by the actual corner frequency (fc).
DOC# KHFDAT02
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