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| SP5611 Datasheet, PDF (7/12 Pages) Mitel Networks Corporation – 1·3GHz Bidirectional I2C Bus Controlled Synthesiser | |||
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VREF
3k
3k
RF INPUTS
RF input
VCC
CRYSTAL Q1
CRYSTAL Q2
Reference oscillator
VCC
3k
PORT
SP5611
VCC
CHARGE
PUMP
150
DRIVE
OUTPUT
OS
(O/P DISABLE)
Loop amplifier
VCC
67k
3k
SCL/SDA
*
ACK
* ON SDA ONLY
SCL and SDA inputs
VCC
30k
3k
P3
10k
Ports P7-P4
P3 address select
Fig. 6 SP5611 input/output interface circuits
7
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