MH88634BV-4 데이터 시트보기 (PDF) - Mitel Networks

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MH88634BV-4

Central Office Interface Circuit

Mitel Networks 

MH88634B

Advance Information

XLA

XLB

XLC

XLD

+5V

VCC

-5V

VEE

-V

10H 300Ω

RING

I = 25mA

100uF

+

600Ω

368Ω

V1

368Ω

TX

RX

TIP

AGND

Return Loss = 20 * Log (V1\Vs)

100uF

+

10H 300Ω

Figure 6 - Return Loss Test Circuit

Vs = 0.5V

~

+5V

-5V

-V

VCC

VEE

XLA

10H 300Ω

100uF

XLB

RING

I = 25mA

+

XLC

368Ω

XLD

Vtx

TX

VEX

V

RX

TIP

AGND

V1

100uF

368Ω

+

10H 300Ω

Long to Met Bal. = 20 * Log (V1\Vs)

CMRR = 20 * Log (Vtx\Vs) - ( 2-4W Gain)

Vs = 0.5V

~

Figure 7 - Longitudinal to Metallic Balance and CMRR Test Circuit

2-274

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