sp5524 Zarlink Semiconductor, sp5524 Datasheet - Page 7

• Manufacturer Part Number: sp5524
• Description: Bidirectional I2c Bus Controlled Synthesiser
• Manufacturer: Zarlink Semiconductor

SP5524
APPLICATION
6
A typical application is shown in Fig. 4. All input/output interface circuits are shown in Fig. 6.
CONTROL
MICRO
15V
112V
I
2
C BUS
IF SECTION
37·5
12·5
300
AFC OUT
30
25
50
P1
4MHz
100
SDA
SCL
18p
180n
1
8
SP5524S
500
Fig. 5 Typical input sensitivity
39n
Fig. 4 Typical application
16
22k
OPERATING
9
WINDOW
FREQUENCY (MHz)
1n
P3
P2
P0
2N3904
IF SIGNAL
22k
1n
130V
12k
12k
12k
15V
1000
22k
2N3906
0·1
10k
22k
2N3906
1300
10n
47k
22k
1500
2N3906
V
T
VARACTOR DRIVE
OSCILLATOR OUTPUT
BAND INPUTS
TUNER
112V