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MH88617AT-PI

Programmable SLIC with Ringing Amplification

Mitel Networks 

Advance Information

MH88617

+5V

1K -48V +5V -5V +90V

R1

Z2

R2

LCA LR VBAT VCC VEE DCRI SHK

VX

TIP

GVX

DUT

VR

ZA RDI RDO

ESI ESE GND RC

RING

RV

I

SW1 10uF

1

23

300R

1.6k

Z1

100Ω

1K

Ringing

Source

1.2Vrms

20Hz

Z1 = 30kΩ

Z2 = 18k + 18K T 470pF

R2 = 110k

R1 = 36k

Figure 5 - DC Condition Test

+5V

1K -48V +5V -5V +90V

R1

Z2

R2

LCA LR VBAT VCC VEE DCRI

VX

GVX

DUT

VR

ZA RDI RDO

ESI ESE GND RC

SHK

TIP

10H

1kΩ

I=24mA

RING

RV

100uF

+

100uF

+

Vs

Impedance = 600Ω

Z1

100Ω

1K

Gain = 20 * Log (VX / Vs)

Ringing

Source

1.2Vrms

Z1 = 30kΩ

Z2 = 18k + 18K T 470pF

R2 = 110k

R1 = 36k

Figure 6 - 2-4 Gain Wire Test Circuit

2-167

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