sp5668 ETC-unknow, sp5668 Datasheet - Page 7

• Manufacturer Part Number: sp5668
• Description: 2.7ghz 3-wire Controlled Synthesiser
• Manufacturer: ETC-unknow

INTO 50 )
(mV RMS
VIN
Optional application utilising
on–board crystal controlled
oscillator
100
300
40
50
10
4MHz
18pF
Figure 5a - Typical input sensitivity
80
39pF
100
(Prescaler disabled, PE=0)
3
CONTROL
2
MICRO
OPERATING
Figure 6 - Example of double conversion from VHF/UHF frequencies to TV IF
WINDOW
1000
FREQUENCY (MHz)
50 - 900MHz
1650-2700MHz
2
3
LOCK
REFERENCE
ENABLE
CLOCK
DATA
10
2000
Figure 7 - Typical application, SP5668
P2
P1
10nF
15nF
VCO
3000
1
2
3
4
5
6
7
8
3500
1.6GHZ
16
15
14
13
12
11
10
9
68pF
13k3
BCW31
INTO 50 )
(mV RMS
VIN
+30V
3
P0
22k
100
1n
1n
300
40
10
80
Figure 5b - Typical input sensitivity
300
(Prescaler enabled, PE=1)
10n
+5V
16k
VCO
OSCILLATOR
1000
OUTPUT
FREQUENCY (MHz)
OPERATING
WINDOW
2n2
47k
2000
38.9MHz
TUNER
SP5668
2700
+12V
3000
3500
7