tsa5515t NXP Semiconductors, tsa5515t Datasheet - Page 12

• Manufacturer Part Number: tsa5515t
• Description: 1.3 Ghz Bi-directional I2c-bus Controlled Synthesizer
• Manufacturer: NXP Semiconductors

where;
FLOCK FLAG APPLICATION
Philips Semiconductors
FLOCK FLAG DEFINITION (FL)
When the FL flag is 1, the maximum frequency deviation ( f) from stable frequency can be expressed as follows:
Table 4 Flock flag settings
November 1991
K
I
K
C1 and C2
Time span between actual phase lock and FL-flag setting
Time span between the loop losing lock and FL-flag resetting
CP
f
K
I
C1 = 180 nF
C2 = 39 nF
VCO
O
1.3 GHz bi-directional I
CP
=
f = 27.5 kHz.
VCO
= 220 A
= 16 MHz/V (UHF band)
K
VCO
K
O
I
CP
C1
+
C2
2
C-bus controlled synthesizer
=
=
=
=
C1 C2
Fig.6 Loop filter
oscillator slope (Hz/V)
charge-pump current (A)
4
loop filter capacitors
10
6
12
1024
0
MIN.
1152
128
MAX.
Product specification
TSA5515T
s
s
UNIT