Preliminary
PL623-38
Low Phase Noise XO (for 3
rd
O.T.) For 65-130MHz
EXTERNAL COMPONENT VALUES – 3
RD
OVERTONE RESISTOR SELECTIONS
This resistor is only required when a third overtone crystal is used. The chart below indicates the calculated and the nearest “E12”
resistor values versus frequency for PL623-38.
Frequency
(MHz)
65
67.5
70
75
77.5
80
82.5
85
87.5
90
92.5
95
97.5
R3OT
(Ω)
2,162
2,082
2,008
1,875
1,815
1,758
1,705
1,654
1,607
1,563
1,520
1,480
1,442
E12 Pick
KΩ
2.2
2.2
2.2
1.8
1.8
1.8
1.8
1.8
1.5
1.5
1.5
1.5
1.5
Frequency
(MHz)
100
102.5
105
107.5
110
112.5
115
117.5
120
122.5
125
127.5
130
R3OT
(Ω)
1,406
1,372
1,339
1,308
1,278
1,250
1,223
1,197
1,172
1,148
1,125
1,103
1,082
E12 Pick
KΩ
1.5
1.5
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.0
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings
PARAMETERS
Supply Voltage
Input Voltage, dc
Output Voltage, dc
Storage Temperature
Ambient Operating Temperature
Input Static Discharge Voltage Protection
SYMBOL
V
DD
V
I
V
O
T
S
T
A
MIN.
V
SS
-0.5
V
SS
-0.5
-65
-40
MAX.
4.6
V
DD
+0.5
V
DD
+0.5
150
+85
2
UNITS
V
V
V
°C
°C
kV
Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the
device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other
conditions above the operational limits noted in this specification is not implied.
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
www.phaselink.com
Rev 05/03/05 Page 3
PLL [ PHASELINK CORPORATION ]
