P3357
Improved matching and hybrid
600Ω
Fig. 6
600
22
μ
F
1k
560
European CT
R21/(Australia, etc.)
F 7
ig.
270
(220)
150nF
(120nF)
22
μ
F
1k
10nF
10k
1nF
100nF*
120
T
XA1
LINE
10nF
10k
1nF
T
XA1
750
(820)
750
R
XA
T
XA2
R
XA
T
XA2
LINE
* Note: 100nF c apac itor should have a temperature stable dielectric
Insertion Loss (Line to RXA): 2.8dB @ 2kHz
Frequency Response : ±0.2dB 30Hz – 10kHz
Return Loss: 20dB 200Hz – 4kHz
Transhybrid Loss: 30dB 50Hz – 10kHz
600
Ω
Instrumentation
Insertion Loss (Line to RXA): 2.2dB @ 2kHz
Frequency Response : ±0.5dB 50Hz – 4kHz
Return Loss: 20dB 200Hz – 4kHz
Transhybrid Loss: 18dB 200Hz – 4kHz
CERTIFICATION
Certified under the IEC CB scheme (Certificate
DK-8570) to IEC 60950-1-2001, sub-clauses 1.5,
1.5.1, 1.5.2, 1.7.1, 2.9, 2.9.1, 2.9.2, 2.9.3, 2.10,
2.10.1, 2.10.2, 2.10.3, 2.10.3.1, 2.10.3.3, 2.10.4,
2.10.5, 2.10.5.1, 2.10.5.2, 2.10.5.4, 4.7, 4.7.1
(classV-1), 4.7.3, 4.7.3.1, 4.7.3.4, 5.2, 5.2.1, 5.2.2,
6.1.2.1 (Finland, Norway, Sweden national
deviations) for a maximum working voltage of
250Vrms, nominal mains supply voltage not
exceeding 300Vrms and a maximum operating
temperature of 70ºC in Pollution Degree 2
environments.
Recognized under the Component Recognition
Program of Underwriters Laboratories Inc. to US and
Canadian
requirements
CAN/CSA
C22.2
No. 60950-1-03/UL60950-1, First Edition, based on
IEC 60950-1, First Edition, maximum working
voltage 180Vrms (creepage), 420V peak
(clearance), Pollution Degree 2, supplementary
insulation.
UL File number E203175.
Additionally, Profec Technologies certifies all
transformers as providing voltage isolation of
2.12kVrms, 3kV DC minimum. All shipments are
supported by a certificate of conformity to current
applicable safety standards.
600
Ω
Fig. 8
47
μ
F*
47
μ
F*
6.8nF
600
Ω
6.8nF
600
Ω
* If no DC block required, one of these c apac itors can be removed and
the other set to 22
μ
F or, if preferred, both capa citors c an be eliminated.
,
Insertion Loss: 1.5dB @ 2kHz
Frequency Response : ±0.2dB 20Hz – 20kHz
Return Loss: 16dB 20Hz – 20kHz
SAFETY
Constructed in accordance with IEC 60950-1,
EN 60950-1 and UL 60950-1, supplementary
insulation, 250Vrms maximum working voltage,
flammability class V-0.
Patented
ETALDOC 724/7
Page 4 of 5
April 2005
ETAL [ ETAL Group ]
