MH88617AD-PI Просмотр технического описания (PDF) - Mitel Networks

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MH88617AD-PI

Programmable SLIC with Ringing Amplification

Mitel Networks 

Advance Information

MH88617

+5V

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

VX

LCA LR VBAT VCC VEE DCRI SHK

TIP

R1

100uF

+

300Ω

V2

GVX

DUT

10H

1kΩ

V1

Z2

I=24mA 100uF

VR

R2

RING

ZA RDI RDO ESI ESE GND RC RV

+

300Ω

Vs

Z1

100Ω

1K

Long. to Met. Balance = 20 * Log (V1 / Vs)

CMRR = 20 * Log (V2/Vs)

Ringing

Source

1.2Vrms

20Hz

Z1 = 30kΩ

Z2 = 18k + 18K T 470pF

R2 = 110k

R1 = 36k

Figure 9 - Longitudinal to Metallic Balance & CMRR Test Circuit

+5V

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

LCA LR VBAT VCC VEE DCRI SHK

VX

TIP

R1

100uF

+

300Ω

GVX

Z2

DUT

10H

1kΩ

Vs

I=24mA

300Ω V1 510Ω

VR

R2

ZA RDI RDO

ESI ESE GND RC

RING

RV

+

100uF

Z1

100Ω

1K

Ringing

Source

1.2Vrms

20Hz

Met. to Long. Balance = 20 * Log (V1 / Vs)

Figure 10 - Metallic to Longitudinal Balance

Z1 = 30kΩ

Z2 = 18k + 18k T 470pF

R2 = 110k

R1 = 36k

2-169

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