High-Speed Balanced Photoreceiver
Features
Bandwidth DC to 100 MHz
Common-Mode Rejection Ratio (CMRR) 55 dB typ.
InGaAs-PIN photodiodes
FC fiber optic inputs
Spectral range 900 - 1700 nm
Very low NEP, down to 3.7 pW/√Hz
Transimpedance gain switchable 20 x 103 V/A, 60 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
20 x 103 V/A (2nd gain x4), 60 x 103 V/A (2nd gain x12) switchable (@ 50 Ω load)
Gain accuracy
±1 % electrical
Conversion gain
19 x 103 V/W typ. (@ 2nd gain x4, 1550 nm)
57 x 103 V/W typ. (@ 2nd gain x12, 1550 nm)
Common mode rejection ratio(CMRR)
55 dB typ. (f £ 100 MHz)
Frequency Response
Lower cut-off frequency
DC / 10 Hz, switchable
Upper cut-off frequency
100 MHz, switchable to 20 MHz
Time Response
Rise/fall time (10 % - 90 %)
3.2 ns
17.5 ns (low pass filter 20 MHz)
Input
Noise equivalent power (NEP)
minimum 3.7 pW/√Hz (@ 1550 nm)
4.0 pW/√Hz (@ 1550 nm, 20 MHz)
5.8 pW/√Hz (@ 1550 nm, 50 MHz)
8.6 pW/√Hz (@ 1550 nm, 100 MHz)
Maximum differential CW power
53 µW (@ 2nd gain x4, DC-coupled, 1550 nm)
for linear amplification
18 µW (@ 2nd gain x12, DC-coupled, 1550 nm)
275 µW (@ 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
2000 V/µs
Max. output current
70 mA
Output return loss S22
-30 dB @ < 100 MHz
-20 dB @ < 800 MHz
Output noise
1.9 mVRMS (13 mVPP) (@ 2nd gain x4)
5.4 mVRMS (36 mVPP) (@ 2nd gain x12)
0.5 mVRMS (3.1 mVPP) typ. (@ 2nd gain x4, BW: 20 MHz)
1.3 mVRMS (8.6 mVPP) typ. (@ 2nd gain x12, 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-100M-60K-IN-FC, Lemo® 3-pin connector, 3 x adapter SMA (male) to BNC (female), datasheet
Ordering Information
HBPR-100M-60K-IN-FC FC fiber optic connector (FC/PC and FC/APC compatible)
Spectral Responsivity
Dimensions Case dimensions for HBPR-100M-60K-IN-FC:
All measures in mm unless otherwise noted.
The bottom plate may be rotated to match the appropriate mounting thread to the optical axis by unscrewing the 8 screws.
商品属性 [光谱范围] 900 - 1700 nm [NEP] 3.7 pW/√Hz [带宽] DC to 100 MHz