Krohn-Hite Corporation 3200 R Other
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Model:
3200 R
Date:
unknown
Class:
Type:
SubType:
SOLID STATE VARIABLE FILTER
Information
The Models
3200 and
3202
illustrated in Figure 1, are solid
state variable electronic filters with cutoff frequencies
continuously adjustable over the frequency range from 20 Hz
to 2 MHz. The pass-band gain is unity (0 db), with an
attenuation rate of 24 db per octave outside the pass-band.
Maximum attenuation is greater than 80 db and the output hum
and noise is less than 100 microvolts.
The Model
3200 can function as either a High-Pass or
Low-Pass
Filter. In the High-Pass mode of operation the
maximum input signal is 3 volts rms and the upper 3 db point
occurs >t approximately 10 MHz. In the Low-Pass mode the
Filter is direct-coupled and the combined ac plus dc input
signal should not exceed 4,2 volts peak.
The Model
3202 consists of two Model 3200’s mounted in a
single cabinet isolated from each other with independent
power supplies, and input and output connectors. When these
wo
Filter channels are switched to the same mode of
operation and connected in series with both dials set to the
same cutoff frequency, the Model
3202 will function as a
High-Pass or Low^Pass
Filter with an attenuation rate of 48
db per octave. If the two channels are connected in series,
and one channel is operated in the Low-Pass mode and the
other channel a the High-Pass mode, the Model
3202 will
function as a Band-Pass
Filter with attenuation ' rate of 24
db per octave outside the pass-band.
When the two channels are connected in parallel, as
described in Section 2. 3, the Model ^202 will function as
either a Band-Reject
Filter with cutoff frequency limits
from 20 Hz to 2 MHz or provide a
Sharp null at any frequency
between 40 Hz and 800 kHz.
This
Filter has a maximally flat or Butterworth
characteristic when the RESPONSE switch(s), located on the
rear of the chassis, is in the MAX FLAT position. For
pulse-type waveforms this switch should be in the SIMPLE RC
position, optimum for transent-free filtering.
Manual type:
Service and User Manual
Pages:
56
Size:
1.43 Mbytes (1500197 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2015 09 06
MD5:
975537e7a49fc72d612b1a49b00ebc14
Downloads:
560
Information
OPERATING AND MAINTENANCE MANUAL
GENERAL DESCRIPTION
... 1
OPERATION ... .
... 7
CIRCUIT
DESCRIPTION ...
10
MAINTENANCE ... ... . . 13
CALIBRATION AND ADJUSTMENT ...
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