Exalos Balanced Receiver | EBR

Applications

Description• Optical Coherence Tomography

The Exalos optical balanced receiver (EBR) is engineered
particularly to support challenging applications such as
Optical Coherence Tomography where high signal-tonoise performance is critical. It achieves the lowest noise
performance of balanced receivers in this bandwidth
range. It features a compact design and a single supply
voltage for OEM applications and allows for electricallyswitching the gain or for continuously adjusting thebandwidth.

• Optical Delay Measurements• Spectroscopy• Heterodyne Detection

Product Features• Adjustable Bandwidth (60-380 MHz)• Ultra-Low Noise• Electrically-Switchable Gain (high/lowgain selection via TTL signals)• Well-matched Photodiodes to achieve
high common-mode rejection• Two Monitor Outputs (DC-400 kHz)• Compact OEM form factor• Single +5V power supply

Output Voltage Noise(Oscilloscope Traces)
Competitor: V = 15.9 mV
pp

EXALOS EBR: V = 13.1 mV *pp

Scope input: V = 2.5 mVpp

* The bandwidth of the EBR370003 was set to the Competitor’s bandwidth of f3dB = 350 MHz for this measurement.

EXALOS AG
Wagistrasse 21 CH-8952 Schlieren, Switzerland

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Tel. +41 43 444 60 90 Fax +41 43 444 60 99 sales@exalos.com www.exalos.com

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EBR370001-01 & EBR370002-01
EBR370003-01 & EBR370004-01
EBR370005-01 & EBR370006-01

Responsivity [A/W]

1.0

0.8

0.6

0.4

0.2

EBR37000xEBR37000x- 01 Min and Max Bandwidth

EBR37000xEBR37000x-01 Series Detector Responsivity

0.0
400

600

800

1000

1200

1400

1600

1800

Wavelength [nm]EBR
1Transimpedance Gain
2
Gain Bandwidth (3 dB)
Gain Flatness
Common Mode Rejection Ratio
CW Saturation Power
Max. Electrical Output Signal
Photodiode Option
Wavelength Range
Photodiode Responsivity
Noise Floor
6Overall Output Voltage Noise
Minimum NEP (DC-100 MHz)
Operating temperature
Supply voltage
Dimension
Optical Connector

HIGH = 10×103 ; LOW = 10×101
DC – 380
5>25-41.8
Silicon
SWL-InGaAs
InGaAs400–1050
500-1700
800-1700
3450.55
0.75-1.0
1.0-1.1-140
0.8
5Operating Conditions-20 to +65
5.0 (4.90 to 5.20)
64 x 46 x 30
FC/APC

V/A
MHz
dBdBdBm
Vnm
A/WdBm/HzmVrms
pW/√HzoC
Vmm

Notes:
1 Electrically-switchable gain with TTL signals: HIGH = 5×103 @ 50 Ω termination ; LOW = 5×101 @ 50 Ω termination
2 Electro-optical bandwidth is continuously adjustable from 60 MHz to 380 MHz; other ranges available on request
3 Typical photodiode responsivity of 0.55 A/W at 840 nm, lower at other wavelengths
4 Typical photodiode responsivity of 0.40 A/W at 840 nm, 0.75 A/W at 1060 nm, 0.85 A/W at 1310 nm, 1.0 A/W at 1550 nm
5 Typical photodiode responsivity of 0.40 A/W at 1060 nm, 1.0 A/W at 1310 nm, 1.1 A/W at 1550 nm
6 Output voltage noise at 350 MHz; smaller at lower bandwidth, e.g. 0.4 mVrms at 200 MHz

Ordering Information
EBR370001-- 01 : DC-coupled standard silicon photodiodes, best for 400-900 nm
Part Number: EBR370001
Part Number: EBR370002EBR370002- 01 : AC-coupled standard silicon photodiodes, best for 400-900 nm
Part Number: EBR370003EBR370003- 01 : DC-coupled short-wavelength enhanced (SWL) InGaAs photodiodes, best for 900-1600 nm
Part Number: EBR370004EBR370004- 01 : AC-coupled short-wavelength enhanced (SWL) InGaAs photodiodes, best for 900-1600 nm
Part Number: EBR370005EBR370005- 01 : DC-coupled standard InGaAs photodiodes, best for 1100-1600 nm
Part Number: EBR370006EBR370006- 01 : AC-coupled standard InGaAs photodiodes, best for 1100-1600 nm

EXALOS AG
Wagistrasse 21 CH-8952 Schlieren, Switzerland

Page | 2Tel. +41 43 444 60 90 Fax +41 43 444 60 99 sales@exalos.com www.exalos.com