SP5654 Datasheet, PDF (9/15 Pages) Zarlink Semiconductor Inc – 2.7GHz 3-WIRE BUS CONTROLLED SYNTHESISER

SP5654
4MHz
CRYSTAL
18p
P3
CONTROL
MICRO
+30V
47n
22k
180n
22k
1
16
2N3904
2
15
3 ^S 14
1n
P
1n
4 ₅ 13
5
6
5
12
6 ₄ 11
7
10
8
9
+5V
+12V
10k
47k
VARICAP
INPUT
10n
OSCILLATOR
OUTPUT
SATELLITE
TUNER
P0
P1
P2
TUNER
SWITCHING
FUNCTIONS
Fig. 5 Typical application (step size = 100kHz)
300
100
VIN (mV RMS
INTO 50W)
50
40
25
12.5
120 300
OPERATING
WINDOW
1000
2000
FREQUENCY (MHz)
2700 3000 3500
Fig. 6 Typical input sensitivity
7