7820R-085-SU-115 [EMCORE]
Optical Receiver; 光接收器
| 型号： | 7820R-085-SU-115 |
| 厂家： | 
EMCORE CORPORATION |
| 描述： | Optical Receiver |
| 文件： | 总6页 (文件大小：613K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
7820R Optical Receiver
5-200 MHz RFoG Return Path
DATASHEET | MARCH 2012
FIBER OPTICS
The 7820R RFoG return path optical receiver is a single-mode fiber pigtailed
module featuring a low-noise, impedance-matched broadband photodiode and RF
amplification.
The device receives optical analog and/or digital signals for a range of return path,
and delivers the corresponding RF electrical output.
The 7820R exhibits excellent noise performance with values well above standards
over the entire 200MHz bandwidth and case temperature specifications (-40°C to
+85°C).
Applications
Moreover, the proprietary impedance-match circuitry between the photodetector and
RF amplification stages resolves a number of OEM design obstacles. The device’s
noise performance is typically less than 0.75pA/√Hz for the 85MHz version and
1pA/√Hz for the 200MHz version.
Video Signal Distribution in RFoG and
FTTx nodes
Video Overlay in Passive Optical
Networks (PON).
The 7820R RFoG return path optical receiver can be used in the optical wavelength
range from 1260nm – 1620nm applications.
Features
5 MHz-200 MHz Bandwidth Supports the
Return Path Application.
The 7820R is compliant with all criteria of the Restriction of the Use of Hazardous
Substances in Electrical and Electronic Equipment (RoHS) guidelines 2002/95/EC.
Excellent RF Frequency, High RF
Output.
Low Noise (<1.0 pA/√Hz typ.) Low
Power Dissipation (0.5 W max).
Performance Highlights
Parameter
Limits
RoHS Compliant
Frequency Range
Noise
5 – 200 MHz
Internal Prorietary Impedance Match
Circuitry (75Ω)
Robust Small Package with Single-Mode
Fiber Pigtail and Connector Options
5 – 85MHz Version
5 – 200MHz Version
0.75 pA/√Hz (typ)
1.0 pA/√Hz (typ)
Wide Operating Case Temp Range, -40O
to + 85OC
DSO (20% OMI/tone)
-60 dBc (typ)
DTO (20% OMI/tone)
Optical Input Power
Wavelength
-50 dBc (typ)
Up to -10dBm
1260 – 1620 nm
0.5 W
Power Consumption
|
REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
7820R Optical Receiver
5-200 MHz RFoG Return Path
DATASHEET | MARCH 2012
FIBER OPTICS
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress
ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the
operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect
device reliability.
Parameter
Symbol
Min
Max
Unit
Operating Case Temperature Range
Storage Temperature Range
Humidity at 85 °C
TCASE
Tstg
-40
-40
--
85
85
85
°C
°C
%
RH
Note: For all tables, typical values are performed at 25oC; min and max values are performance vs. temperature.
Electrical/Optical Characteristics
Parameter
Symbol
Min
Typ
Max
Unit
Optical Power
--
5 – 85MHz Version
5 – 200MHz Version
PIN
--
--
-10
-7
dBm
dB
Optical Return Loss
DC Power
+5V Amp Bias, (Pin 2)
+12V PD Bias, (Pin 6)
Wavelength
RLOPT
40
--
ICCA
ICCP
--
--
--
--
100
1
mA
mA
λ
1260
1310/1550
1620
nm
--
--
>0.8 at 1310 nm
>0.9 at 1550 nm
--
--
mA/mW
mA/mW
Responsivity
--
PDI Monitor Voltage
Dissipation
VMON
PDISS
--
--
10
--
--
V/mA
W
0.5
RF Characteristics
Parameter
Symbol
Min
Typ
Max
Unit
Frequency Response
BW
5
--
85
MHz
Gain (Ref @ 5MHz)
5 – 85MHz Version
5 – 200MHz Version
G
36
29
--
38
31
dB
Gain Stability
GST
-0.5
--
+0.5
dB
(-40C to + 85C)
Ripple
Gain Tilt (3)
--
--
--
--
1
1
1.2
2
dBpk-pk
dB
RF Output Level (2)
5-85 MHz Version
5 – 200 MHz Version
RFOUT
37
35
--
39
37
dBmV/ch
|
REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
7820R Optical Receiver
5-200 MHz RFoG Return Path
DATASHEET | MARCH 2012
FIBER OPTICS
RF Characteristics (continued)
Parameter
Symbol
Min
Typ
Max
Unit
Output Return Loss
Equivalent Input Noise
5 – 85MHz Version
5 – 200MHz Version
Discrete Second-Order (1,2)
Discrete Third Order (1,2)
RL
--
--
-16
dB
EIN
--
0.75
1.0
0.9
pA/√Hz
1.30
DSO
DTO
--
--
-60
-70
-50
-60
dBc
dBc
(1). Two laser test at 1310 nm/1550 nm. 40% OMI/tone (before combined). Distortion products measured at 40 and 85 MHz.
(2). 5 – 85MHz Version, Optical Input = -10dBm, OMI = 20% (after combined)
5 – 200MHz Version, Optical Input = -7dBm, OMI = 20% (after combined)
(3). Tilt is defined as the delta between 5 – 85MHz for 7820R-085 and 5 – 200MHz for 7820R-200.
Outline Drawing (dimensions are in inches & mm)
|
REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
7820R Optical Receiver
5-200 MHz RFoG Return Path
DATASHEET | MARCH 2012
FIBER OPTICS
|
REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
7820R Optical Receiver
5-200 MHz RFoG Return Path
DATASHEET | MARCH 2012
FIBER OPTICS
Pin Definitions
Pin
1
Function
GND
2
+5V
3
GND
4
5
RF OUT
GND
6
+12V
7
8
PD MONITOR
GND
|
REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
7820R Optical Receiver
5-200 MHz RFoG Return Path
DATASHEET | MARCH 2012
FIBER OPTICS
Ordering Code Definitions
7820R-xxx-yy-zzz
Family Name
7820R: RFoG Return Path Optical Receiver
Bandwidth
xxx = 085: 5 – 85 MHz
xxx = 200: 5 – 200 MHz
Optical Connector
yy = FA: FC/APC
yy = SA: SC/APC
yy = SU: SC/UPC
yy = LU: LC/UPC
yy = LA: LC/APC
Fiber Length (L)
zzz = 115: 1.15 ± 0.30m fiber
zzz = 066: 0.66 ± 0.02m fiber
zzz = 054: 0.54 ± 0.02m fiber
Example:
7820R-085-SA-115: RFoG Return Path Receiver, 5-85 MHz, SC/APC Connector, 1.15m Fiber
|
REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
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