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參數(shù)資料
| 型號(hào)： | AD807 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Fiber Optic Receiver with Quantizer and Clock Recovery and Data Retiming(帶數(shù)字轉(zhuǎn)換,時(shí)鐘恢復(fù)和重定時(shí)功能的光纖接收器) |
| 中文描述： | 光纖接收器與量化和時(shí)鐘恢復(fù)和數(shù)據(jù)重定時(shí)（帶數(shù)字轉(zhuǎn)換，時(shí)鐘恢復(fù)和重定時(shí)功能的光纖接收器） |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大小： | 234K |
| 代理商： | AD807 |
REV. A
–10–
AD807
NC = NO CONNECT
1
2
3
4
8
7
6
5
1
2
5
6
7
3
4
8
16
15
12
11
10
14
13
9
V
EE
SDOUT
AV
CC
PIN
NIN
AV
CC
THRADJ
AV
EE
AD807
NC
I
IN
NC
V
BYP
+V
S
+OUT
–V
S
–OUT
R10
R9
R6 100
C7
R5 100
R1
R2
C1 0.1μF
0C2
0C3
DATAOUTN
DATAOUTP
CLKOUTN
CLKOUTP
C4
0.1μF
C6
0.1μF
R4
R8 100
R7 100
R3
C8
R12
TP1
TP2
R11
0C5
CD
TP7
SDOUT
C11
TP6
TP5
R13
THRADJ
C9
C10
GND
TP4
R14
50
R15
50
301
R17
3.65k
0C13
5V TP3
AD8015
0C15
15pF
10μF
0.1μF
15pF
0.1μF
0.01μF
ABB HAFO 1A227
FC HOUSING
0.8 A/W, 0.7pF
2.5GHz
NOTES
1. ALL CAPS ARE CHIP,
15pF ARE MICA.
2. 150nH ARE SMT
0C14
50
50
C12
2.2μF
150nH
150nH
DATAOUTN
DATAOUTP
V
CC2
CLKOUTN
CLKOUTP
V
CC1
CF1
CF2
Figure 23. Low Cost 155 Mbps Fiber Optic Receiver Schematic
T able I. AD807—AD8015 Fiber Optic Receiver Circuit:
Output Bit E rror Rate & Output Jitter vs. Input Power
Average Optical
Input Power
(dBm)
Output Bit
E rror Rate
Output Jitter
(ps rms)
–6.4
–6.5
–6.6
–6.7
Loses Lock
7.5
×
10
–3
9.4
×
10
–4
0
×
10
–14
–7.0 to –35.5
–36.0
0
×
10
–14
3
×
10
–12
<40
<40
–36.5
–37.0
–38.0
–39.0
–39.2
–39.3
4.8
×
10
–10
2.8
×
10
–8
1.3
×
10
–5
1.0
×
10
–3
1.9
×
10
–3
Loses Lock
APPLIC AT IONS
Low C ost 155 Mbps Fiber Optic Receiver
T he AD807 and AD8015 can be used together for a complete
155 Mbps Fiber Optic Receiver (Quantizer and Clock Recovery,
and T ransimpedance Amplifier) as shown in Figure 23.
T he PIN diode front end is connected to a single mode 1300 nm
laser source. T he PIN diode has 3.3 V reverse bias, 0.8 A/W re-
sponsively, 0.7 pF capacitance, and 2.5 GHz bandwidth.
T he AD8015 outputs (P
OUT
and N
OUT
) drive a differential, con-
stant impedance (50
) low-pass filter with a 3 dB cutoff of
100 MHz. T he outputs of the low-pass filter are ac coupled to
the AD807 inputs (PIN and NIN). T he AD807 PLL damping
factor is set at 7 using a 0.22
μ
F capacitor.
Figure 24. Receiver Output (Data) Eye Diagram,
–7.0 dBm Optical Input
Figure 25. Receiver Output (Data) Eye Diagram,
–36.0 dBm Optical Input
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