Jensen CI-RJ2R Bruksanvisning
Jensen
audio/video-omvandlare
CI-RJ2R
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Jensen...The Worlds Finest Audio Transformers
Jensen Transformers Inc., 9304 Deering Ave. Chatsworth, CA 91311
P: (818) 374-5857 F: (818) 374-5856 info@jensen-transformers.com
jensen-transformers.com
Applications
CI-RJ2R
CI-R
J
2R Two channel RCA to CAT-5 exender
• Stereo audio ‘baluns’ for RCA inputs using CAT-5/6 cable
• Lets you run cables to 100 meters (350’) without loss
• Ruler-at frequency response from 5 Hz to 20 kHz
• Superior noise rejection from ground loops & magnetic elds
The Iso•Max CI-RJ2R is a two channel input isolator that lets you extend
unbalanced signals to 100 meters (350’) using standard CAT-5 or CAT-6 bal-
anced twisted pair Ethernet cable.
Sold as a ‘transmit and receive’ set, the design begins with two rugged
anged steel enclosures for easy mounting under a desk or inside a rack or
NEMA enclosure. Each end is equipped with RCA inputs and outputs with
a standard Ethernet RJ45 type connector in between. One merely connects
the source and destination devices using the RCAs and bridges the two
units using o the shelf CAT-5 or CAT-6 cable. This enables the system de-
signer to employ pre-wired network cable to run analog audio throughout a
facility without having to sh new wires.
Plug and play easy to use, this passive interface does not require any
power to work. Inside the receive module are two Jensen high performance
transformers that are able to withstand signal levels to +19 dBv at 20 Hz
without any discernible distortion. These provide galvanic isolation between
the input and output to eliminate hum and buzz caused by ground loops,
rejecting noise by as much as 124 dB. Once installed, the CI-RJ2R will quietly
go to work without introducing distortion, phase shift or artifact of any kind.
L R
IN
MODEL CI-RJ2R
EXPAND
Connecting a laptop computer
The CI-RJ2R makes it easy for presenters to play audio tracks from
their computer to a PA system. Connect the audio output from
the computer to RCA inputs on the CI-RJ2R transmitter and the CI-
RJ2R receiver will deliver the audio without distortion or artifact.
Connecting a CD player
Certain installations require connecting unbalanced consumer
audio devices that may be distanced apart. The CI-RJ2R lets you
use pre-existing CAT-5 network cable in between the transmit
and receive modules and send the signal up to 100 meters (350’)
without noise.
1.45”
(36.8mm)
3.63”
(92.2mm)
2.6”
(66mm)
.75”
(19mm)
2”
(50.8mm)
4.32”
(109.7mm)
Dimensions
( FRONT )
( BOTTOM )
( TOP )
( REAR )
.710”
(18.0mm)
CAT 5/6T R CAT 5/6
LONG CABLE LONG CABLE
CI-RJ2R-T CI-RJ2R-R
T R
Jensen...The Worlds Finest Audio Transformers
Jensen Transformers Inc., 9304 Deering Ave. Chatsworth, CA 91311
P: (818) 374-5857 F: (818) 374-5856 info@jensen-transformers.com
jensen-transformers.com
All minimum and maximum specica-
tions are guaranteed. Unless noted
otherwise, all specications apply at
25
°C. Specications subject to change
without notice. All information herein
is believed to be accurate and reliable,
however no responsibility is assumed
for its use nor for any infringements of
patents which may result from its use.
No license is granted by implication or
otherwise under any patent or patent
rights of Jensen Transformers, Inc.
CI-RJ2R
PARAMETER CONDITIONS MINIMUM TYPICAL MAXIMUM
Input impedance, Zi
1 kHz, -10 dBV 22 kΩ
Voltage gain 1 kHz, -10 dBV
-2.0 dB
-1.65 dB -1 dB
Magnitude response, ref 1 kHz
20 Hz, -10 dBV -0.15 dB -0.03 dB ±0.0 dB
20 kHz, -10 dBV -0.35 dB -0.20 dB ±0.0 dB
Deviation from linear phase (DLP) 20 Hz to 20 kHz, -10 dBV +1.4/-0° ±2.0°
Distortion (THD)
1 kHz, +2 dBV <0.001%
20 Hz, +2 dBV 0.04% 0.10%
Maximum 20 Hz input level 1% THD +14 dBV +17 dBV
Common - mode rejection ratio (CMRR)
60 Hz 115 dB
3 kHz 80 dB 90 dB
Output impedance, Zo 1 kHz 5.3 kΩ
Cable length effect on 20 kHz response in dB
(cable at 15 pF per foot)
8 m (25’) / 375 pF 0 dB
15 m (50’) / 750 pF 0 dB
30 m (100’) / 1.5 nF -0.2 dB
80 m (250’) / 3.75 nF -1.0 dB
100 m (350’) / 5.25 nF -1.7 dB
Temperature range operation or storage 0°C 70°C
Breakdown voltage*
transmitter to receiver ground references, 60 Hz, 1 minute
test duration
250 V RMS
Low frequency data
augmented with use of
Hewlett-Packard 332A
Frequency Synthesizer
THD at FIXED INPUT LEVELS
REFERENCE LEVEL RESPONSE AMPLITUDE (dB) vs FREQUENCY (Hz) DEVIATION (Deg) vs FREQUENCY (Hz)DEVIATION FROM LINEAR PHASE
THD+N (%) vs FREQUENCY (Hz) THD at FIXED FREQUENCIES
1.01.0
+1
REF
-1
-2
-3
-4
-5
-6
0.1
0.1
0.01
0.01
0.001
0.001
+5
+4
+3
+2
+1
0
-1
-2
-3
-4
-5
-2520
0.2 2 20 20200 2002K 2K20K 20K
200K
200 2K 20K -20 -15 -10 -5 -0 +5 +10 +15 +20 +25
THD+N (%) vs INPUT LEVEL (dBU)
+19 dBu
+4 dBu
+10 dBu
20Hz
30Hz
50Hz
* IMPORTANT NOTE: THIS PRODUCT IS
NOT INTENDED FOR USE IN CIRCUM-
STANCES WHERE THE DC OR PEAK AC
VOLTAGE BETWEEN INPUT AND OUT-
PUT CONNECTIONS EXCEEDS 34 VOLTS
OR WHERE ITS FAILURE COULD CAUSE
INJURY OR DEATH.
-T and -R units connected by 15 m (50’) CAT-5 cable, source = 600
Ω, Load = 22 kΩ unless noted
Produktspecifikationer
| Varumärke: | Jensen |
| Kategori: | audio/video-omvandlare |
| Modell: | CI-RJ2R |
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