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参数资料
| 型号： | HFBR-7924 |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER PARALLEL INTERFACE, 830-860nm, 2700Mbps(Tx), 2700Mbps(Rx), PANEL MOUNT |
| 文件页数： | 17/18页 |
| 文件大小： | 492K |
| 代理商： | HFBR-7924 |
8
Receiver Electrical Characteristics
(Over recommended operating conditions: Tc= 0C to +80C, Vcc=3.3V + 5%)
Parameter
Symbol
Minimum Typical
Maximum Unit
Reference
Differential Output Impedance
ZOUT
100
W
13, Figure 9
Data Output Differential Peak-to-Peak Voltage Swing
DV
DOUTP-P
500
650
800
mVP-P
14, Figure 10
Inter-channel Skew
50
100
ps
15
Data Output Rise, Fall Time
tr, tf
120
150
ps
16
Control I/O
Signal Detect
LVTTL & LVCMOS
Compatible
Output Voltage Low
VOL
VEE
0.4
V
IOL = 4.0 mA
Output Voltage High
VOH
2.4
VCC
VIOH = -0.5 mA
Assert Time (OFF-to-ON)
tSDA
50
s
17
De-assert Time (ON-to-OFF)
tSDD
50
s
18
Parameter
Symbol
Minimum Typical
Maximum Unit
Reference
Input Optical Power - Sensitivity
PIN MIN
-18
-16.0
dBm avg.
19
Input Optical Power - Saturation
PIN MAX
-2.0
dBm avg.
Operating Center Wavelength
l
C
830
860
nm
Stressed Receiver Sensitivity
-11.7
dBm
20
Stressed Receiver Eye Opening
111
ps
21
Return Loss
12
dB
22
Signal Detect
Asserted
PA
-22
-17
dBm avg.
23
Deasserted
PD
-31
-27
dBm avg.
Hysteresis
PA - PD
0.5
1.0
dB
Notes:
13. Measured over the range 4 MHz to 2 GHz.
14.
VD
OUT
P-P = VDOUTH - VDOUTL, where VDOUTH = High State Differential Data Output Voltage and VDOUTL = Low State Differential Data
Output Voltage.
VD
OUT
H and VDOUTL = VDOUT+ - VDOUT-, measured with a 100 differential load connected with the recommended
coupling capacitors and with a 2500 MBd, 101010 pattern.
15. Inter-channel Skew is defined for the condition of equal amplitude, zero ps skew input signals.
16. Rise and Fall Times are measured between the 20% and 80% levels using a 550 MHd square wave signal.
17. The Signal Detect output will change from logic “0” (Low) to “1” (High) within the specified assert time for a step transition in optical input
power from the deasserted condition to the specified asserted optical power level.
18. The Signal Detect output will change from logic “1” (High) to “0” (Low) within the specified de-assert time for a step transition in optical
input power from the specified asserted optical power level to the deasserted condition.
19. Sensitivity is defined as the average input power with the worst case, minimum, Extinction Ratio necessary to produce a BER < 10-12 at the
center of the Baud interval. For this parameter, input power is equivalent to that provided by an ideal source, i.e. one with RIN and
switching attributes that do not degrade the sensitivity measurement. All channels not under test are operating receiving data with an
average input power of up to 6 dB above PIN MIN. Sensitivity at signal rates from 1 to 2.7 GBd is defined for a PRBS 223-1 test pattern.
20. The stressed receiver sensitivity is measured using 2.6 dB Inter-Symbol Interference, ISI, (min), 30 ps Duty Cycle Dependent Deterministic
Jitter, DCD DJ (min) and 6 dB ER (ER Penalty = 2.23 dB). All channels not under test are operating receiving data with an average input
power of up to 6 dB, above PIN MIN.
21. The stressed receiver eye opening is measured using 2.6 dB ISI (min), 30 ps DCD DJ (min), 6 dB ER (ER Penalty = 2.23 dB) and an average
input optical power of -11.7 dBm. All channels not under test are operating receiving data with an average input power of up to 6 dB
above PIN MIN.
22. Return loss is defined as the ratio, in dB, of the received optical power to the optical power reflected back down the fiber.
23. Signal Detect assertion requires all optical inputs to exhibit a minimum 6 dB Extinction Ratio at PA = -17 dBm. All channels not under test are
operating with PRBS 223-1patterns, asynchronous with the channel under test, and average input power of up to 6 dB above the specified PIN
MIN.
Receiver Optical Characteristics
(Over recommended operating conditions: Tc= 0C to +80C, Vcc=3.3V + 5%)
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