BC41B143A-DS-003PC Datasheet, PDF (53/94 Pages) List of Unclassifed Manufacturers – BlueCore 4-ROM Plug-n-Go Single Chip Bluetooth v2.0 + EDR System

10.3.6 Crystal PS Key Settings
See tables in section 10.2.5.
10.3.7 Crystal Oscillator Characteristics
Device Terminal Descriptions
1000.0
Crystal Load Capacitance and Series Resistance Limits with Crystal Frequency
100.0
10.0
2.5
3.5
4.5
5.5
6.5
7.5
8.5
9.5
10.5
11.5
12.5
Load Capacitance (pF)
8 MHz
20 MHz
32 MHz
12 MHz
24 MHz
16 MHz
28 MHz
Figure 10.7: Crystal Load Capacitance and Series Resistance Limits with Crystal Frequency
Note:
Graph shows results for BlueCore4-ROM Plug-n-Go crystal driver at maximum drive level.
Conditions:
C_trim = 3.4pF centre value
Crystal C_o = 2pF
Transconductance setting = 2mA/V
Loop gain = 3
C_t1/C_t2 = 3
BC41B143A-ds-003Pc
Advance Information
© Cambridge Silicon Radio Limited 2005
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