參數(shù)資料
型號: 74HCT9046A
廠商: NXP Semiconductors N.V.
英文描述: PLL with bandgap controlled VCO
中文描述: 鎖相環(huán)控制VCO的帶隙
文件頁數(shù): 10/40頁
文件大?。?/td> 240K
代理商: 74HCT9046A
1999 Jan 11
10
Philips Semiconductors
Product specification
PLL with bandgap controlled VCO
74HCT9046A
MBD099
R3'
IP
up
down
C2
VCC
PC2OUT
VC2OUT
Fig.8 The current switch charge pump output of PC2.
b.
a.
MBD046 - 1
PC2OUT
C2
VCC
IP
IP
down
up
Φ
=
Φ
pulse overlap of
approximately 15 ns
PCIN
a. At every
Φ
, even at zero
Φ
both switches are closed simultaneously for a short period (typically 15 ns).
b. Comparable voltage-controlled switch.
0
MSB306 - 1
2
0
1/2V
0
V
VDEMOUT(AV)
CC
CC
π
Φ
PCIN
2
π
IP
Φ
PCIN=
Φ
SIGIN
Φ
COMPIN
2
0
π
Φ
PCIN
2
π
IP
IP
Fig.9 Phase comparator 2.
Two kinds of transfer functions may be regarded:
a. The current transfer:
b. The voltage transfer; this transfer can be observed at PC2
OUT
by connecting a resistor (R = 10 k
) between PC2
OUT
and
1
2
V
CC
;
5
4
π
pump current
I
P
2
π
-------
Φ
PCIN
V
DEMOUT
V
PC2OUT
------
Φ
PCIN
=
=
b.
a.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74HCT9046AD 功能描述:鎖相環(huán) - PLL PHASE LOCKED LOOP W/VCO RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
74HCT9046AD,112 功能描述:鎖相環(huán) - PLL PHASE LOCKED LOOP RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
74HCT9046AD,118 功能描述:鎖相環(huán) - PLL PLL BAND GAP CNTRL W/VCO RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
74HCT9046AD-T 制造商:PHILIPS-SEMI 功能描述:
74HCT9046AN,112 功能描述:鎖相環(huán) - PLL PLL BAND GAP CNTRL W/VCO RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray