Compaq M-LVDS manual 3. Two-Node Multipoint Transmission

Typical Cable Test Configurations

Figure 2−3. Two-Node Multipoint Transmission

VCC

Signal Source

with 50-Ω

Output

50-Ω

Cable

J2

TP2

W2

Jumper

Input Signal

	4	9
5
	U1	R7
		100
R3
		10
49.9

Twisted Pair Cable

P2

R6

100

	50-Ω		R2
50-Ωcable or	Cable	J1			12
			453	2 U1		R4
Active Voltage							P1
Probe into one				3	11	100
			TP1
Channel of Scope				VCC
Terminated in						VCC
High Impedance					W1		W4
		Output Signal				Jumper
	Active Voltage						Jumper
	Probe		Input Signal
				U2		3
						6

R5

100

		J8	4
			R14
		TP4	49.9
	50-Ω		R13
50-Ωcable or	Cable	J7
			453
Active Voltage			1
Probe into one
			TP3
Channel of Scope
			2
Terminated in
High Impedance
	Active Voltage	Output Signal
	Probe

	R15	P3
7	100

VCC

W3

Jumper

R16

100

2-4 Test Setup