P5011 Datasheet, PDF (2/4 Pages) ETAL Group – ULTRA-LOW COST, LOW DISTORTION LINE MATCHING TRANSFORMER

SPECIFICATIONS
Electrical
At T = 25ºC and as circuit Fig. 2 unless otherwise stated.
Parameter
Conditions
Min
Typ
Insertion Loss
f = 2kHz, R_L = 600Ω
-
-
Frequency Response
Return Loss⁽⁵⁾
Transhybrid Loss⁽⁵⁾
LF -3dB cutoff
HF -3dB cutoff
100Hz – 4kHz
200Hz – 4kHz
200Hz – 4kHz
-
10
-
30
-
-
20
-
-
-
Third Harmonic
150Hz -3dBm in line
-
-
Distortion⁽¹⁾
Balance
Voltage Isolation⁽²⁾
DC – 5kHz
Method TG 25
50Hz
DC
80
-
2.12
-
3.0
-
Operating Range:
Functional
Storage
0
-
-40
-
Lumped equivalent circuit parameters as Fig. 1
DC resistance ⁽³⁾ R_DC
Primary resistance R_DCp
120
-
Secondary resistance R_DCs
117
-
Leakage inductance, ΔL
Shunt inductance, Lp⁽⁴⁾ 200Hz 10mV
3.5
4.5
8
-
Shunt loss, Rp
200Hz 10mV
15
-
Notes:
1. Third harmonic typically exceeds other
harmonics by 10dB.
2. Components are 100% tested at 3.25kVDC.
3. Caution: do not pass DC through windings.
Telephone line current must be diverted using
semiconductor line hold circuit or choke.
4. At signal levels greater than 100mV, Lp will
increase and Rp will decrease slightly but the
effect is usually favourable to the return loss
characteristic.
5. Return loss and transhybrid loss can be
improved to 30dB in improved matching circuit.
The values shown relate to the simplest
configuration, Fig. 2.
Equivalent Circuit
Fig. 1
½L
ETALDOC 777/5
Page 2 of 4
P5011
Max
Units
2.0
dB
-
Hz
-
kHz
±0.1
dB
-
dB
-
dB
-76
dBm
-
dB
-
kVrms
-
kV
+70
ºC
+85
ºC
149
Ω
143
Ω
5.5
mH
-
H
-
kΩ
½ L ^IDEAL
1:1
June 2005