參數(shù)資料
型號： CD74HC7046
廠商： Texas Instruments, Inc.
英文描述： Phase-Locked Loop with VCO and Lock Detector
中文描述： 鎖相環(huán)與VCO和鎖定檢測回路
文件頁數(shù)： 13/26頁
文件大?。?/td> 302K
代理商： CD74HC7046
13
Test Circuits and Waveforms
FIGURE 10. HC TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
FIGURE 11. HCT TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
t
PHL
t
PLH
t
THL
t
TLH
90%
50%
10%
50%
10%
INVERTING
OUTPUT
INPUT
GND
V
CC
t
r
= 6ns
t
f
= 6ns
90%
t
PHL
t
PLH
t
THL
t
TLH
2.7V
1.3V
0.3V
1.3V
10%
INVERTING
OUTPUT
INPUT
GND
3V
t
r
= 6ns
t
f
= 6ns
90%
Typical Performance Curves
FIGURE 12. TYPICAL INPUT RESISTANCE CURVE AT
SIG
IN
, COMP
IN
FIGURE 13. HC7046A TYPICAL CENTER FREQUENCY vs R1, C1
FIGURE 14. HC7046A TYPICAL CENTER FREQUENCY vs R1, C1
FIGURE 15. HC7046A TYPICAL CENTER FREQUENCY vs R1, C1
I
I
V
I
V
I
SELF-BIAS OPERATING POINT
10
8
10
7
10
6
10
5
10
4
10
3
10
2
10
1
1
10
10
2
10
3
10
4
10
5
10
6
CAPACITANCE, C1 (pF)
C
VCO
IN
= 0.5 V
CC
V
CC
= 4.5V
R2 =
∞
R1 = 2.2K
R1 = 22K
R1 = 220K
R1 = 2.2M
R1 = 11M
10
8
10
7
10
6
10
5
10
4
10
3
10
2
10
1
1
10
10
2
10
3
10
4
10
5
10
6
CAPACITANCE, C1 (pF)
C
VCO
IN
= 0.5 V
CC
V
CC
= 6.0V
R2 =
∞
R1 = 3K
R1 = 30K
R1 = 330K
R1 = 3M
R1 = 15M
10
8
10
7
10
6
10
5
10
4
10
3
10
2
10
1
1
10
10
2
10
3
10
4
10
5
10
6
CAPACITANCE, C1 (pF)
C
VCO
IN
= 0.5 V
CC
V
CC
= 3.0V
R2 =
∞
R1 = 1.5K
R1 = 15K
R1 = 150K
R1 = 1.5M
R1 = 7.5M
CD74HC7046A, CD74HCT7046A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CD74HC7046A 制造商:Texas Instruments 功能描述:
CD74HC7046AE 功能描述:鎖相環(huán) - PLL w/VCO/Lock Det 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
CD74HC7046AE WAF 制造商:Harris Corporation 功能描述: 制造商:Texas Instruments 功能描述:
CD74HC7046AE 制造商:Texas Instruments 功能描述:PLL Logic IC 制造商:Texas Instruments 功能描述:IC, PLL WITH VCO, 18MHZ, 16-DIP
CD74HC7046AEE4 功能描述:鎖相環(huán) - PLL High Speed CMOS w/VCO & Lock Detect 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
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