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參數(shù)資料
| 型號(hào)： | CD-700-KAC-NDB-12.288 |
| 英文描述： | Phase-Locked Loop |
| 中文描述： | 鎖相環(huán) |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 141K |
| 代理商： | CD-700-KAC-NDB-12.288 |
CD-700, VCXO Based PLL
Vectron International
166 Glover Avenue, Norwalk, CT 06856 Tel: 1-88-VECTRON-1 http://www.vectron.com
1
9
5
6
8
13
14
16
CLAFGAB
FREQUENCY
VI YWW
23 4
7
10
11
12
15
Figure 14. Outline Diagram
Table 5. Pin Function
Pin
Symbol
Function
1
OPOUT
Op-Amp Output
2
OPN
Op-Amp Negative Input
3
PHO
Phase detector output
4
LOSIN
INPUT (Used with LOS)
Logic 0, VCXO control voltage is enabled.
Logic 1, VCXO control voltage (pin 16) is disabled and OUT1 and OUT2 are within +/-75 ppm
of center frequency
Has Internal pull-down resistor
5
DATAIN
Phase detector Input signal (TTL switching thresholds)
6
CLKIN
Phase detector Clock signal (TTL switching thresholds)
7
GND
Cover and Electrical Ground
8
LOS
OUTPUT (Used with LOSIN)
Logic 1 if there are no transitions detected at DATAIN after 256 clock cycles at CLKIN. As soon
as a transition occurs at DATAIN, LOS is set to a logic low.
Logic 0 = Input frequency detected
9
RCLK
Recovered Clock
10
RDATA
Recovered Data
11
Output 2
Divided-down VCXO Output, or No Output
12
HIZ
INPUT
Logic 0, OUT1, OUT2, RCLK, RDATA are set to a high impedance state.
Logic 1, OUT1, OUT2, RCLK, RDATA are active.
Has Internal pull-up resistor
13
Output 1
VCXO Output
14
VDD
Power Supply Voltage (3.3 V
±10% or 5.0 V ±10%)
15
OPP
Op-Amp Positive Input
16
VC
VCXO Control Voltage
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