MO-9250A Datasheet, PDF (4/6 Pages) Vectron International, Inc – 200-625 MHz High Performance Differential Oscillator

VDD
OUT+
Drive Device
OUT-
TerminaƟon Circuit Examples
Z0 = 50 :
Z0 = 50 :
50 :
50 :
D+
Receiver Device
D-
Figure 1. LVPECL Typical Termina on
VDD
OUT+
Drive Device
OUT-
VTT = VDD – 2.0 V
R1 = 100 to 150 :
Z0 = 50 :
100 nF
Z0 = 50 :
100 nF
R1
R1
50 :
D+
Receiver Device
D-
50 :
Figure 2. LVPECL AC Coupled Termina on
VDD
VDD = 3.3V => R1 = R3 = 133 : and
R2 = R4 = 82 :
VDD = 2.5V => R1 = R3 = 250 : and
R2 = R4 = 62.5 :
OUT+
Drive Device
OUT-
Z0 = 50 :
Z0 = 50 :
VTT
VDD
R1
R3
R2
R4
D+
Receiver
Device
D-
Figure 3. LVPECL with Thevenin Typical Termina on
VDD
OUT+
Drive Device
OUT-
Z0 = 50 :
Z0 = 50 :
100 :
D+
Receiver Device
D-
Figure 4. LVDS Single Termina on (Load Terminated)
Page 4 of 6
Vectron Interna onal • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • h p://www.vectron.com
Rev 1.2 Aug 2014