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GL6965 Datasheet, PDF (7/23 Pages) Hynix Semiconductor – Telephone Speech Network with Dialer Interface
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Test Circuit (continued)
1. VL , VCC
A
L1
L2
VL V VCC V
VL
VCC
GND
R1
R2
R
T(+)
55nF
GL6965
2. VL , VCC (UP)
A
L1
L2
VL V VCC V
VL
VCC
GND
R1
R2
R
T(+)
55nF
3. VREF
A
L1 IL
VREF V
L2
VL
R1
R2
R
VREF
T(+)
UP
SWUP
55nF
7
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