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参数资料
| 型号： | TSA5512T/C3 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 1300 MHz, PDSO16 |
| 封装： | PLASTIC, SOT-109A, SO-16 |
| 文件页数： | 6/21页 |
| 文件大小： | 214K |
| 代理商： | TSA5512T/C3 |
October 1992
14
Philips Semiconductors
Product specication
1.3 GHz Bidirectional I2C-bus controlled synthesizer
TSA5511
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
KVCO = 16 MHz/V (UHF band)
ICP = 220 A
C1 = 180 nF
C2 = 39 nF
f = ± 27.5 kHz.
Table 5
Flock ag settings
KVCO
=
oscillator slope (Hz/V)
ICP
=
charge-pump current (A)
KO
=4
× 10E6
C1 and C2
=
loop lter capacitors (see Fig.8)
MIN.
MAX.
UNIT
Time span between actual phase lock and FL-ag setting
1024
1152
s
Time span between the loop losing lock and FL-ag resetting
0
128
s
f=
K
VCO KO
() I
CP
C1
C2
+
()
×
C1
C2
×
()
±
Fig.8 Loop filter.
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| TSA5512TD-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:I2C-Bus Frequency Synthesizer |
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