SWG30 ARTESYN [Artesyn Technologies], SWG30 Datasheet - Page 3

• Manufacturer Part Number: SWG30
• Description: DC/AC single output ring generator
• Manufacturer: ARTESYN [Artesyn Technologies]

Application notes
1
Data Sheet © Artesyn Technologies® 2000
The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising
from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
PAGE 174
Examples of DC biased operation.
30VA DC/AC
30VA
DC/AC ring generator
+48Vin
+48Vin
1.1
1.2
1.3
-48Vin
0V
0V
0V
Non-biased operation.
Negative DC Biased operation.
Positive DC biased operation.
Fuse
Fuse
Fuse
|
TELEPHONE RING GENERATORS
Vin
Vin
Vin
Vin
Vin
Vin
Vout
Return
Vout
Return
Vout
Return
-48Vin
0V
0V
+48Vin
0V
power factor =
power factor =
R
1
C
R
R
C
R
2
capacitive loading
(See note 5 for DC biased current condition)
(See note 5 for DC biased current condition)
1 +
capacitive loading
1 +
C
(
(
Resistive / capacitive loading
2 fCR
2 fCR
1
1
1
+
1
)
(1 + R
1
2
2 fCR
1
/R
2
2
)
)
2