Nokia 7000 Series VPD-6830-XEQ, VPD-6830 Programmable Video DA Series, Input Coupling Section

Chapter 8: VPD-6830 Programmable Video DA Series VPD-6830-XEQ

VPD-6830-XEQ

The VPD-6830-XEQ is used to compensate extremely long running cable, up to 3250 ft (1000 m) of Belden 8281. The following diagram describes its functionality:

AC	DC
	EQ
75	Input

EQ

1

AMP

1

EQ 2

AMP

2

Output Amplifier

	Differential
	Amplifier
DC	EQ
	GAIN

AC

Input Coupling

Section

CLAMP

Clamp Mode

Selection

No		Soft
Clamp
	Hard

Eight

Coax

Outputs

Figure 8-5. VPD-6830-XEQ Functional Block Diagram

Figure 8-6. VPD-6830-XEQ

72 6800/7000 Series - Distribution and Routing Products Installation and Operation Manual