tsa5518m NXP Semiconductors, tsa5518m Datasheet - Page 13

• Manufacturer Part Number: tsa5518m
• Description: 1.3 Ghz Bidirectional I2c-bus Controlled Synthesizer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
Loop filter
Table 8 Loop filter
1997 Mar 07
handbook, full pagewidth
Time span between actual
phase lock and FL flag setting
Time span between the loop
losing lock and FL flag resetting
1.3 GHz bidirectional I
synthesizer
K
I
C1 = 100 nF, C2 = 15 nF
df = 67.5 kHz
CP
VCO
= 220 A
33 V
HIGH
= 16 MHz/V (UHF band)
LOW
RF2
RF1
MID
DESCRIPTION
BS
22 k
BC847
handbook, halfpage
4.7
nF
Fig.6 Loop filter.
4.7
nF
filter dependent
4.7
nF
35 k
1024
0
MIN.
C1
2
4.7
nF
C-bus controlled
1 nF
1 nF
1152
128
GND
MAX.
RF2
RF1
C2
n.c.
UD
R
BS
P7
P5
P4
P1
Fig.5 Typical application.
MBH948
1
2
3
4
5
6
7
8
9
10
TSA5518M
22 k
UNIT
s
s
13
20
19
18
17
16
15
14
13
12
11
15 nF
PD
XTAL
n.c.
V CC
SCL
SDA
P2
P8
P3
P0
4 MHz
300
300
1 k
1 k
100 nF
10 pF
4.7
nF
390
4.7
nF
390
4.7
nF
MGK116
390
Product specification
TSA5518M
4.7
nF
SCL
SDA
P2
ADC
AS
P0
P1
5 V
V tune