MH88510/11
AC Gains Table - MH88510
Characteristics
1
2
3
4
Gain 2-Wire to Junctor
Frequency Response Gain
(relative to gain at 1kHz)
Gain Junctor to 2-Wire
Frequency Response Gain
(relative to gain at 1kHz)
Sym
Min
1.05
0.42
-0.3
0.96
-0.35
-0.3
1.00
0.0
Typ
‡
1.12
0.98
Max
1.19
1.51
0.3
1.04
0.35
0.3
Preliminary Information
Units
V/V
dBV
dB
V/V
dBV
dB
Test Conditions
Input 0.5V 1kHz
Input 0.5V 1kHz
200Hz - 3400Hz
Input 0.5V 1kHz
Input 0.5V 1kHz
200Ηz
- 3400Hz
‡ Typical figures are at 25°C with nominal + 5V supplies and are for design aid only.
AC Gains Table - MH88511
†
Characteristics
1
2
3
4
Gain 2-Wire to Junctor
Frequency Response Gain
(relative to gain at 1kHz)
Gain Junctor to 2-Wire
Frequency Response Gain
(relative to gain at 1kHz)
Sym
Min
1.15
0.21
-0.3
1.04
0.34
-0.3
1.08
0.67
Typ
‡
1.19
1.50
Max
1.22
1.72
0.3
1.11
0.91
0.3
Units
V/V
dBV
dB
V/V
dBV
dB
Test Conditions
Input 0.5V 1kHz
Input 0.5V 1kHz
200Hz - 3400Hz
Input 0.5V 1kHz
Input 0.5V 1kHz
200Hz - 3400Hz
† AC Electrical Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C with nominal + 5V supplies and are for design aid only.
Note1: All of the above test conditions use 754Ω connected between JUNC and GRD, and 600W connected between Tip and Ring unless
otherwise stated.
Note 2: All of the above test conditions use 200Hz to 6400Hz unless otherwise stated.
PROTECTION CIRCUIT
TIP
RV2
1
MH88510/11
TIP
RV3
3
RING
RV1
RING
AGND
7
Notes
RV1,2,3 = 175VAC, 225VAC, 15J
GE V175LA2 or similar
EARTH GROUND
SYSTEM
GROUND
Figure 6 - Typical Protection Circuit
2-60
MITEL [ MITEL NETWORKS CORPORATION ]
