Datasheet

MC33411A/B
27
MOTOROLA RF/IF DEVICE DATA
100
10.237
16
10.237
f, FREQUENCY (MHz)f, FREQUENCY (MHz)
PHASE (degrees)
V
OLTAG
E
GAI
N
(d
B
)
14
12
10
8.0
6.0
4.0
2.0
0
–2.0
–4.0
10.238 10.239 10.240 10.241 10.242 10.243
10.238 10.239 10.240 10.241 10.242 10.24
80
60
40
20
0
–20
–40
–60
–80
–100
V
CC
= 3.6 V
T
A
= 25°C
10.24 MHz, 10 pF
Load Capacitance
Crystal
V
CC
= 3.6 V
T
A
= 25°C
10.24 MHz, 10 pF
Load Capacitance
Crystal
F
ref out
16
F
ref in
15
13 pF13 pF
F
ref out
16
F
ref in
15
13 pF13 pF
20
0
1000
10
5.0
0
GAIN (dB)
TOTAL ESR (Ω)
MAXIMUM
ESR
( )
CRYSTAL LOAD CAPACITANCE (pF)
S
TA
R
T UP TIM
E
(
ms
)
TOTAL ESR (Ω)
V
CC
= 3.6 V
T
A
= 25°C
Figure 37. Reference Oscillator
Open Loop Gain versus Frequency
Figure 38. Reference Oscillator
Open Loop Phase versus Frequency
Figure 39. Reference Oscillator Startup Time
versus Total ESR – Inactive to Rx Mode
Figure 40. Reference Oscillator
Open Loop Gain versus ESR
Figure 41. Maximum ESR versus
Crystal Load Capacitance (C1 = C2)
V
CC
= 3.6 V
T
A
= 25°C
4.0
3.0
2.0
1.0
0
50 100 150 200 250 300 350
2.048 MHz
5.12 MHz
16
12
8.0
4.0
0
50 100 150 200 250 300 350
100
10
12 14 16 18 20 22 24 26 28 30 32
Ω
70
5.0
C1 AND C2 (pF)
CRYSTAL LOAD CAPACITANCE (pF)
Figure 42. Optimum Values for C1, C2 versus
Equivalent Required Parallel Capacitance
60
50
40
30
20
10
0
10 15 20 25 30 35
ARCHIVE INFORMATION
ARCHIVE INFORMATION
Fr
eescale S
emiconduct
or
, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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