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100 MHz balanced photodetector

PRODUCTS > PHOTONICS > PHOTODETECTORS > 100 MHZ BALANCED PHOTODETECTOR
PD100B 100 MHz balanced photodetector
PD100B 100 MHz balanced photodetector PD100B 100 MHz balanced photodetector functional diagram PD100B 100 MHz balanced photodetector frequency response PD100B 100 MHz balanced photodetector output power spectral density PD100B 100 MHz balanced photodetector noise equivalent power PD100B 100 MHz balanced photodetector common mode rejection ratio

Koheron PD100B is an amplified balanced detector with 39 kV/A gain, 100 MHz bandwidth and a common mode rejection ratio of 35 dB. Available in AC and DC coupled versions, with mounted InGaAs photodiodes or without photodiodes, the PD100B is ideal for applications such as Optical Coherence Tomography and Lidar sensing.

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Specifications

PD100B-AC PD100B-DC
Detector
Detector type InGaAs photodiodes InGaAs photodiodes
Wavelength range 900 nm to 1700 nm 900 nm to 1700 nm
Optical input power 0 mW to 1.5 mW 0 mW to 1.5 mW
Photodiode connector FC FC
Photodiode active diameter 300 µm 300 µm
Photodiode peak responsivity 0.9 A/W 0.9 A/W
Transimpedance amplifier
Coupling AC DC
DC cutoff frequency 160 Hz
Small signal bandwidth(3 dB, Cin = 8 pF) 160 Hz to 100 MHz 0 Hz to 100 MHz
Transimpedance gain 39 kV/A 39 kV/A
Output voltage range -3 V to 3 V -3 V to 3 V
CMRR at 1 MHz 35 dB 35 dB
Input current noise density(10 MHz, Cin = 8 pF) 8 pA/√Hz 8 pA/√Hz
Output impedance 50 Ω 50 Ω
Output SMA female connector SMA female connector
Power supplies
Positive supply voltage 5.5 V to 12 V, nom. 6 V 5.5 V to 12 V, nom. 6 V
Negative supply voltage -12 V to -5.5 V, nom. -6 V -12 V to -5.5 V, nom. -6 V
Quiescent current per rail 25 mA 25 mA
Maximum current per rail 120 mA 120 mA
Other
Outside dimensions 63 mm x 38 mm x 14 mm 63 mm x 38 mm x 14 mm
Operating temperature 0 °C to 50 °C 0 °C to 50 °C
Weight 21 g 21 g
Mechanical details Compatible with M6 metric breadboards (25 mm spacing) Compatible with M6 metric breadboards (25 mm spacing)

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Functional diagram

PD100B 100 MHz balanced photodetector functional diagram
PD100B functional diagram

Characterization

Output power spectral density

The power spectral density of the PD100B output was measured for different incident optical powers. The indicated power is the incident power per photodiode. The PD100B output is directly connected to the spectrum analyzer (Tektronix RSA306). Optical source is a Koheron LD100 laser at 1550 nm.

PD100B-AC 100 MHz balanced photodetector output power spectral density
PD100B-AC output power spectral density
PD100B-DC 100 MHz balanced photodetector output power spectral density
PD100B-DC output power spectral density

Common mode rejection ratio

When properly balanced, the common mode rejection ratio (CMRR) at 1 MHz of the PD100B is 35 dB. To maximize the CMRR care should be taken not only to balance the optical powers, but also the path length between the two channels.

PD100B 100 MHz balanced photodetector common mode rejection ratio
PD100B common mode rejection ratio

Frequency response

PD100B 100 MHz balanced photodetector frequency response
PD100B frequency response

Noise equivalent power

PD100B 100 MHz balanced photodetector noise equivalent power
PD100B noise equivalent power

Low frequency noise equivalent power

PD100B-DC 100 MHz balanced photodetector low frequency noise equivalent power
PD100B-DC low frequency noise equivalent power

Complementary products

Dual power supply New options

Dual power supply

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SPS200

Ordering codes

PRODUCT NUMBER ATTRIBUTE
PD100B-AC InGaAs photodiodes mounted / Coupling AC
PD100B-DC InGaAs photodiodes mounted / Coupling DC
PD100B-AC-NOP No photodiodes / Coupling AC
PD100B-DC-NOP No photodiodes / Coupling DC

Export information

PRODUCT NUMBER COUNTRY OF ORIGIN HS CODE HTSUS ECCN
PD100B-AC France 85414900 8541499500 EAR99
PD100B-DC France 85414900 8541499500 EAR99
PD100B-AC-NOP France 85423990 8542390001
PD100B-DC-NOP France 85423990 8542390001

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