mt9074ap1 Zarlink Semiconductor, mt9074ap1 Datasheet - Page 22

• Manufacturer Part Number: mt9074ap1
• Description: T1/e1/j1 Single Chip Transceiver With Wide Dynamic Range Liu
• Manufacturer: Zarlink Semiconductor

20 Mhz Clock
The MT9074 requires a 20 Mhz clock. This may provided by a 50 ppm oscillator as per Figure 9.
Percentage of
Nominal Peak
Voltage
120
110
100
-10
-20
90
80
50
20
0
Figure 8 - Pulse Template (G.703)(E1)
Figure 9 - Clock Oscillator Circuit
Zarlink Semiconductor Inc.
OSC1
OSC2
MT9074
22
(
open
269 nS
244 nS
194 nS
219 nS
488 nS
20 MHz
OUT
)
+
5 V
GND
Vdd
Nominal Pulse
.1µF
Data Sheet