High-Speed Balanced Photoreceiver
Features
Bandwidth DC to 500 MHz
Common-Mode Rejection Ratio (CMRR) 45 dB typ.
InGaAs-PIN photodiodes
FC fiber optic inputs
Spectral range 900 - 1700 nm
Very low NEP, down to 6.7 pW/√Hz
Transimpedance gain switchable 5 x 103 V/A, 10 x 103 V/A
High dynamic input range up to 2 x 10 mW balanced optical power
Fast monitor outputs with 10 MHz bandwidth and 1 x 103 V/A gain Switchable low pass filter for minimizing wideband noise
UNC 8-32 and M4 tapped holes for mounting on standard posts with metric and imperial thread
Applications
Spectroscopy
Heterodyne detection
Optical coherence tomography (OCT)
Optical delay measurement
Differential optical front-end for oscilloscopes, spectrum analyzers, A/D converters and RF lock-in amplifiers
Block Diagram
Specifications
Test conditions
VS = ±15 V, TA = 25 °C, signal output terminated with 50 Ω, Monitor outputs terminated with 1 MΩ
Gain
Transimpedance gain
5 x 103 V/A (2nd gain x5), 10 x 103 V/A (2nd gain x10) switchable (@ 50 Ω load)
Gain accuracy
±1 % electrical
Conversion gain
4.75 x 103 V/W typ. (@ 2nd gain x5, 1550 nm) 9.50 x 103 V/W typ. (@ 2nd gain x10, 1550 nm)
Common mode rejection ratio (CMRR)
55 dB typ. (f ≤ 100 MHz) 45 dB typ. (f ≤500 MHz)
Frequency Response
Lower cut-off frequency
DC / 10 Hz, switchable
Upper cut-off frequency
500 MHz, switchable to 20 MHz
Time Response
Rise/fall time (10 % - 90 %)
0.78 ns (@ 2nd gain x5); 0.9 ns (@ 2nd gain x10)
17.5 ns (low pass filter 20 MHz)
Input
Noise equivalent power (NEP)
minimum 6.7 pW/√Hz (@ 1550 nm)
6.9 pW/√Hz (@ 1550 nm, 20 MHz)
15.0 pW/√Hz (@ 1550 nm, 200 MHz)
28.0 pW/√Hz (@ 1550 nm, 500 MHz)
Maximum differential CW power
210 µW (@2nd gain x5, DC-coupled, 1550 nm)
for linear amplification
105 µW (@2nd gain x10, DC-coupled, 1550 nm) 1.3 mW (@ AC-coupled, 1550 nm)
Max. optical CW balanced power (common mode power)
10 mW (on each photodiode, @ 1550 nm)
Monitor optical saturation power (limited for linear amplification)
10.5 mW (@ 1550 nm)
Detector
Detector
InGaAs-PIN photodiode FC fiber connector
Active area
Φ 80 µm, integrated ball lens suitable for fibers up to 50 µm core diameter
Spectral range
900 - 1700 nm
Sensitivity
0.95 A/W typ. (@ 1550 nm)
Signal Output
Output voltage range
±1.0 V (@ 50 Ω load) for linear operation and low harmonic distortion
Max. output voltage
±2.0 V (@ 50 Ω load)
Offset voltage compensation
±100 mV typ., adjustable by offset potentiometer
Output impedance
50 Ω (terminate with 50 Ω load)
Slew rate
2800 V/µs
Max. output current
70 mA
Output return loss S22
-30 dB @ < 100 MHz
-20 dB @ < 800 MHz
Output noise
2.2 mVRMS (15 mVPP) (@ 2nd gain x5)
3.8 mVRMS (25 mVPP) (@ 2nd gain x10)
0.25 mVRMS (1.7 mVPP) typ. (@ 2nd gain x5, BW: 20 MHz)
0.4 mVRMS (2.7 mVPP) typ. (@ 2nd gain x10, BW: 20 MHz) (@ 50 Ω load, no signal on detectors, measurement bandwidth 2 GHz)
Monitor Outputs
Monitor output gain
1 x 103 V/A (@ ³ 100 kΩ load)
Monitor output voltage range
0 ... +10 V (@ ³ 100 kΩ load)
Monitor output impedance
50 Ω (terminate with ³ 100 kΩ load)
Monitor output max. output current
30 mA typ.
Monitor output bandwidth
DC ... 10 MHz
Monitor output noise
0.6 mVRMS (4 mVPP) (@ 100 kΩ load, no signal on detectors, measurement bandwidth 200 MHz)
Power Supply
Supply voltage
±15 V (±14.5 V ... ±16.5 V)
Supply current
-90 / +120 mA (depends on operating conditions, recommended power supply capability min. ±200 mA)
Case
Weight
350 g (0.77 lbs)
Material
AlMg3Mn, nickel-plated
Temperature Range
Storage temperature
-40 ... +85 °C
Operating temperature
0 ... +60 °C
Absolute Maximum Ratings
Max. CW power (averaged)
12 mW (on each photodiode)
Power supply voltage
±20 V
Connectors
Input
FC fiber optic connector (FC/PC and FC/APC compatible)
Output
SMA jack (female)
Power supply
Lemo® series 1S, 3-pin fixed socket (mating plug type: FFA.1S.303.CLAC52)
Scope of Delivery
HBPR-500M-10K-IN-FC, Lemo®3-pin connector, 3 x adapter SMA (male) to BNC (female), datasheet
Ordering Information
HBPR-500M-10K-IN-FC FC fiber optic connector (FC/PC and FC/APC compatible)
Spectral Responsivity
Dimensions
Case dimensions for HBPR-500M-10K-IN-FC:
商品属性 [活跃直径] [光谱范围] 900 - 1700 nm [NEP] 6.7 pW/√Hz [带宽] DC to 500 MHz