TSA5514AT PHILIPS [NXP Semiconductors], TSA5514AT Datasheet - Page 13

• Manufacturer Part Number: TSA5514AT
• Description: 1.3 GHz bidirectional I2C-bus controlled synthesizer
• Manufacturer: PHILIPS [NXP Semiconductors]

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:
Where:
FLOCK FLAG APPLICATION
Table 5 Flock flag settings
October 1992
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
VCO
O
K
I
C1 = 180 nF
C2 = 39 nF
1.3 GHz bidirectional I
CP
=
f =
vco
= 220 A
= 16 MHz/V (UHF band)
K
27.5 kHz.
VCO
K
O
=
=
=
=
I
oscillator slope (Hz/V)
charge-pump current (A)
4 10E6
loop filter capacitors (see Fig.8)
CP
C1
+
C2
2
C-bus controlled synthesizer
C1 C2
Fig.8 Loop filter.
13
1024
0
MIN.
1152
128
MAX.
Product specification
TSA5514
s
s
UNIT