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Models 2051 & 2053

Characteristics • 23

Model 2053 Specifications

Model 2053

Wavelength Range

900–1700 nm

3-dB Bandwidth

10 MHz, 5 MHz, 150 kHz

Rise Time

80 ns

Peak Conversion Gain

18.8 x 10

6

 V/W

Typical Max. Responsivity

1 A/W

Max. Transimpedance Gain

18.8 x 10

6

 V/A

Output Impedance

16 

Minimum NEP

0.34 pW/

CW Saturation Power

10 mW @ 1600 nm

Max. Differential Power

10 mW @ 1600 nm

Max. Power per Photodiode

(damage threshold)

10 mW @ 1600 nm

Detector Material/Type

InGaAs/PIN

Detector Active Area

0.3-mm diam. (FS)

0.1-mm diam. (FC)

Optical Input

FC or Free Space

Electrical Output

SMA

Power Requirements

±15 VDC <150 mA

External Power Supply 

or Two 9-V Batteries

Hz

205x 10MHz Adj Rcvr revA.fm  Page 23  Monday, January 10, 2005  9:29 AM

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for New Focus 2051

Page 1: ...underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos I...

Page 2: ...2584 Junction Avenue San Jose CA 95134 1902 USA phone 408 919 1500 e mail contact newfocus com www newfocus com 205x 10MHz Adj Rcvr revA fm Page 1 Monday January 10 2005 9 29 AM Artisan Technology Gro...

Page 3: ...ight 2004 New Focus Inc a division of Bookham Technology plc All rights reserved The logo and NEW FOCUS Inc are trademarks or registered trademarks of Bookham Technology plc in the U S A or other coun...

Page 4: ...e 13 Measuring Bandwidth 13 Measuring Noise 13 Performance Data for Frequency Response 16 Performance Data for Noise 18 Characteristics 21 Physical Specifications 21 Model 2051 Specifications 22 Model...

Page 5: ...4 Contents NEW FOCUS Inc 205x 10MHz Adj Rcvr revA fm Page 4 Monday January 10 2005 9 29 AM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 6: ...each model Complete specifications begin on page 21 The 10 MHz three stage transimpedance amplifier includes selectable gain and selectable low and high pass filters for easy signal optimization Mode...

Page 7: ...the photodiode responsivity by 1 5 For more information on frequency response and noise see page 13 800 0 0 0 2 0 4 0 6 0 8 1 0 Wavelength nm 400 Responsivity A W 1200 1600 2051 2053 Note Note 205x 10...

Page 8: ...DC ON for battery use Batt Mode ON 5 Align the optical beam onto the detector The photodiode is not very large so take care when aligning the beam 6 Adjust the gain Use the knob and rocker switch on t...

Page 9: ...esh ones Replacing the Batteries The Model 205X is shipped with two fresh 9 V batteries installed To avoid confusion due to low batteries replace the batteries on a monthly basis when the receiver is...

Page 10: ...andwidth is limited by amplifier gain bandwidth product The plots of Figure 3 show the typical frequency responses for the different gain settings Figure 2 Functional schematic of the Model 205X circu...

Page 11: ...or these receivers is from a few nanowatts up to 2 to 5 mW depending on the model and gain setting Be careful to keep the optical power below the maximum optical power of 10 mW to avoid damaging the p...

Page 12: ...toreceiver is determined by the input optical power at which either stage of the transimpedance gain saturates We can calculate the saturation power at 900 nm for the Model 2051 at its maximum output...

Page 13: ...General Features Principles NEW FOCUS Inc 205x 10MHz Adj Rcvr revA fm Page 12 Monday January 10 2005 9 29 AM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg co...

Page 14: ...ined as the frequency where the gain has decreased by 3 dB or a factor of Measuring Noise The photoreceiver noise is characterized using the noise equivalent power NEP which is a measure of the weakes...

Page 15: ...se by R the detector s responsivity see page 6 From DC to 150 kHz the average photocurrent noise for the Model 2051 on the high gain setting is about 0 34 pA corresponding to an average NEP at 900 nm...

Page 16: ...0 35 V mW 0 68x10 9 mW 3 mVrms The Johnson noise at the input of a 100 MHz bandwidth oscilloscope with 1 M input impedance is 1 6 mVrms This is often the limiting factor in broadband measurements Summ...

Page 17: ...frequency bandwidth is defined as the frequency where the photoreceiver s transimpedance gain has decreased by a factor of The typical frequency responses for the Model 2051 and Model 2053 are shown i...

Page 18: ...Gain dB x1 x3 Gain Setting 103 6 3 0 3 0 01 0 1 1 Frequency MHz Normalized Gain dB x1 x3 Gain Setting 104 6 3 0 3 0 01 0 1 1 Frequency MHz Normalized Gain dB x1 x3 205x 10MHz Adj Rcvr revA fm Page 17...

Page 19: ...h in the 3x103 gain setting the equivalent noise bandwidth is 2 x 4 x 700 x 103 Hz 1 1 MHz so the predicted output noise voltage is approximately 0 65 Vrms x 0 7 mVrms Because the NEP is listed at the...

Page 20: ...205X Noise pA Hz 205X Output Noise Current 0 20 0 25 0 30 0 35 0 40 0 10 20 30 40 50 60 70 80 90 100 Frequency KHz Spec Gain 3 x 104 205x 10MHz Adj Rcvr revA fm Page 19 Monday January 10 2005 9 29 AM...

Page 21: ...Frequency Response and Noise NEW FOCUS Inc 205x 10MHz Adj Rcvr revA fm Page 20 Monday January 10 2005 9 29 AM Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg c...

Page 22: ...2 1 24 31 5 2 31 58 6 8 32 M4 THD 1 78 45 2 1 16 29 3 power switch low freq corner adjust knob high freq corner adjust knob gain multiplier switch SMA output connector external power input 15VDC gain...

Page 23: ...W CW Saturation Power 20 mW 850 nm Max Differential Power 20 mW 850 nm Max Power per Photodiode if balanced damage threshold 20 mW 850 nm Detector Material Type Si PIN Detector Active Area 1 0 mm x 0...

Page 24: ...W Saturation Power 10 mW 1600 nm Max Differential Power 10 mW 1600 nm Max Power per Photodiode damage threshold 10 mW 1600 nm Detector Material Type InGaAs PIN Detector Active Area 0 3 mm diam FS 0 1...

Page 25: ...6 683 6287 from the USA Canada only Phone 408 919 1500 Support is also available by fax and email Fax 408 980 8883 Email techsupport newfocus com We typically respond to faxes and email within one bus...

Page 26: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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