參數(shù)資料
型號(hào): 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(cè)回路
文件頁數(shù): 5/26頁
文件大?。?/td> 302K
代理商: CD74HC7046
5
FIGURE 4. PHASE COMPARATOR 2: AVERAGE OUTPUT
VOLTAGE vs INPUT PHASE DIFFERENCE:
V
DEMOUT
= V
PC2OUT
= (V
CC
/
π
) (
φ
SIGIN
-
φ
COM-
PIN
);
φ
DEMOUT
= (
φ
SIGIN
-
φ
COMPIN
)
FIGURE 5. TYPICAL WAVEFORMS FOR PLL USING PHASE
COMPARATOR 2, LOOP LOCKED AT f
o
FIGURE 6. CD74HC/HCT7046A LOCK DETECTOR CIRCUIT
FIGURE 7. WAVEFORM PRESENT AT LOCK DETECTOR CAPACITOR WHEN IN LOCK
V
CC
V
DEMOUT (AV)
1/2 V
CC
0
-360
o
0
o
φ
DEMOUT
360
o
SIG
IN
COMP
IN
VCO
OUT
PC2
OUT
VCO
IN
V
CC
GND
PCP
OUT
HIGH IMPEDANCE OFF - STATE
UP
FF
DN
FF
COMP
IN
SIG
IN
PHASE DIFFERENCE
7046 LOCK DETECTOR CIRCUITRY
1.5k
150
PIN 1
LOCK DETECTOR
OUTPUT
PIN 15
C
LD
LOCK DETECTOR
CAPACITOR
V
CAP
V
TH
LOCK
DETECTOR
OUTPUT
PIN 1
C
LD
PIN 15
LOCK
DETECTOR
CAPACITOR
1.5k
150
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