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參數資料
| 型號： | AD808 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Fiber Optic Receiver with Quantizer and Clock Recovery and Data Retiming(具有量化器和時鐘恢復和數據再定時功能的光纖接收器) |
| 中文描述： | 光纖接收器與量化和時鐘恢復和數據重定時（具有量化器和時鐘恢復和數據再定時功能的光纖接收器） |
| 文件頁數： | 8/12頁 |
| 文件大小： | 116K |
| 代理商： | AD808 |
REV. 0
–8–
AD808
1
2
5
6
7
3
4
8
V
EE
SDOUT
NIN
AV
CC1
THRADJ
AV
EE
AD808
PIN
16
15
12
11
10
14
13
9
R10
154
V
R9
154
V
R6 100
V
C7
R5 100
V
R1
100
V
R2
100
V
C1 0.1
m
F
DATAOUTN
DATAOUTP
CLKOUTN
CLKOUTP
C5 0.1
m
F
C2
0.1
m
F
R4
100
V
R8 100
V
R7 100
V
R3
100
V
C8
R12
154
V
TP1
TP2
R11
154
V
CD
TP7
SDOUT
TP5
TP6
R
THRESH
C11
10
m
F
C10
GND
R14
49.9
V
R15
49.9
V
C12
0.1
m
F
C4 0.1
m
F
C3 0.1
m
F
C6
0.1
m
F
J1
J2
J3
J4
+5V
TP3
TP4
NOTE: INTERCONNECT RUN
UNDER DUT
VECTOR PINS SPACED FOR RN55C
VECTOR PINS SPACED THROUGH-HOLE
CAPACITOR ON VECTOR CUPS; COMPONENT
SHOWN FOR REFERENCE ONLY
TP8
J5
C9
R13
301
V
R16 3.65k
V
J6
J7
C13 0.1
m
F
C14 0.1
m
F
PIN
NIN
50
STRIP LINE
EQUAL LENGTH
NOTE:
C7–C10 ARE 0.1μF BYPASS CAPACITORS
RIGHT ANGLE SMA CONNECTOR
OUTER SHELL TO GND PLANE
ALL RESISTORS ARE 1% 1/8 WATT SURFACE MOUNT
TPxoTEST POINTS ARE VECTORBOARD K24A/M PINS
DATAOUTN
DATAOUTP
V
CC2
CLKOUTN
CLKOUTP
V
CC1
CF1
CF2
AV
CC2
Figure 15. Evaluation Board Schematic
Center Frequency Clamp (Figure 13)
An N-channel FET circuit can be used to bring the AD808
VCO center frequency to within
±
10% of 622 MHz when
SDOUT indicates a Loss of Signal (LOS). T his effectively re-
duces the frequency acquisition time by reducing the frequency
error between the VCO frequency and the input data frequency
at clamp release. T he N-FET can have “on” resistance as high
as 1 k
and still attain effective clamping. However, the chosen
N-FET should have greater than 10 M
“off” resistance and
less than 100 nA leakage current (source and drain) so as not to
alter normal PLL performance.
1
2
5
6
7
3
4
8
16
15
12
11
10
14
13
9
V
EE
SDOUT
AV
CC2
PIN
NIN
AV
CC1
THRADJ
AV
EE
DATAOUTN
DATAOUTP
CLKOUTN
CLKOUTP
V
CC1
CF1
CF2
V
CC2
AD808
N_FET
C
D
Figure 13. Center Frequency Clamp Schematic
RBW:
30Hz ST: 3.07 min RANGE: R=
0, T=
0dBm
DIV
20.00m
C
D
0.047
0.10
0.47
PEAK
0.11
0.07
0.04
DIV
36.00m
START
STOP
500.000Hz
100 000.000Hz
Figure14. J itter Transfer vs. C
D
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參數描述 |
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| AD808-622BR | 功能描述:IC FIBER OPTIC RCVR 16-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:250 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD808-622BRRL | 功能描述:IC FIBER OPTIC RCVR 16-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:250 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD808-622BRRL7 | 制造商:Analog Devices 功能描述:Fiber Optic Receiver 16-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:FIBER OPTIC RECEIVER - 622 MBPS - Bulk |
| AD808-622BRZ | 功能描述:IC RECEIVER FIBER OPTIC 16SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:250 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD808-622BRZRL7 | 功能描述:IC RECEIVER FIBER OPTIC 16SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:250 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
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