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DR-DG-20-HO
22 Gbps High Output Voltage Driver

PHOTLINE DRIVER

The Photline DR-DG-20-HO is a driver module optimized for digitalapplications requiring an upper operation voltage. It exhibits 12.5 Vpp output
volatge and 29 dB gain up to 23 GHz.
The Photline DR-DG-20-HO module is especially useful for driving LiNbO3modulators with 22 Gbps DPSK and 2x20 Gbps (D)QPSK modulation formats. It is
operated from a single power supply voltage for safety and ease of use and offers
gain and cross-point control.

FEATURES

The Photline DR-DG-20-HO comes with K type RF connectors (female in,male out) and with an optionnal heat sink. It is a non-inverting and single
ended amplifier.

• High output voltage 12.5 Vpp• High gain 29 dB• Flat gain up to 20 GHz• Single voltage power supply

Performance Highlights

APPLICATIONSParameter

Min

TypMaxUnit• LiNbO3 & InP modulators

Cut-off Frequencies

80 k

23 G25 GHz• 22 Gbps DPSK

Output Voltage

-

12.5

13.5VppGain-

29-dB

Saturated Power26--dBm

Added Jitter-

1.05-

psRise / Fall Times-

12 / 16-ps• 2x20 Gbps (D)QPSK• Research & Development
OPTIONS• 13.5 Vpp output voltage• Heat-sink

Measurements for Vbias = 12 V, Vamp = 1.2 V, Vxp = 0.7 V, Ibias = 650 mA

20 Gbps Output Response• Analog version• Low output voltage version for EAM
RELATED EQUIPMENTS• MXIQ-LN-40, MX-LN-20 modulators• MBC-DG Automatic Bias Controllers

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DR-DG-20-HO
22 Gbps High Output Voltage Driver

PHOTLINE DRIVERDC Electrical Characteristics
Parameter

SymbolMin

TypMax

Unit

Supply voltage (fixed)

Vbias

-

1213

V

Current consumption

Ibias

-0.53

0.56mA

Gain control voltage

Vamp01.52VCross point control
voltageVxp00.7

1V

Electrical Characteristics
Parameter

SymbolCondition

Min

Typ

Max

Unit

Lower frequency

f3db, lower-3 dB point

--80

kHz

Upper frequency

f3db, upper-3 dB point

-

2325

GHz

Gain

S21

Small signal-29-dB

Gain ripple-< 17 GHz-±1.5-dB

Input return loss

S1150 kHz < f < 18 GHz--10-dB

Output return loss

S2250 kHz < f < 15 GHz--10-dB

Saturated power

Psat

Vin = 0.65 Vpp

26--dBm

Output voltage

VoutVin = 0.65 Vpp @20 Gbps

-12.513.5(Vin=1Vpp)

Vpp

Rise time / Fall timetr / tf

20 % - 80 %-12 / 16-ps

Added jitter

JRMS

JRMS = J2RMS-total - J2RMS-source

-1.05

-ps

Power dissipation

P

Vout = 12.5 Vpp

-6.4-

W

Conditions: Vin = 0.65 Vpp, Tamb = 25 °C, 50 : system

Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional
operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure
to absolute maximum ratings for extended periods can adversely affect device reliability.
Parameter

SymbolMinMax

Unit

RF input voltage

Vin-0.8

Vpp

Supply Voltage

Vbias

-13V

DC current

Ibias

-0.56

A

Gain control voltage

Vamp02

V

Cross point control voltage

Vxp01

V

Power dissipation

Pdiss-7.3

W

Temperature of operationTop0+40°CStorage temperature

Tst-10+70°C

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DR-DG-20-HO
22 Gbps High Output Voltage Driver

PHOTLINE DRIVER
S21 Parameter Curve

Group Delay Parameter Curve
Conditions: Vbias = 12 V, Vamp = 1.2 V, Vxp = 0.7 V, Ibias = 650 mA

400,6300,5200,4Group delay (ns)S21 (dB)

Conditions: Vbias = 12 V, Vamp = 1.2 V, Vxp = 0.7 V, Ibias = 650 mA

100-10-20-300,30,20,10,0-0,1-40-0,202468 10 12 14 16 18 20 22 24 26 28 3002468Frequency (GHz)141618202220

2220

22

S11 Parameter CurveConditions: Vbias = 12 V, Vamp = 1.2 V, Vxp = 0.7 V, Ibias = 650 mA

Conditions: Vbias = 12 V, Vamp = 1.2 V, Vxp = 0.7 V, Ibias = 650 mA

00-5-5-10-10-15-15

S11 (dB)

S22 (dB)

12Frequency (GHz)S22 Parameter Curve-20-25-20-25-30-30-35-35-40-400246810121416182002224681012141618Frequency (GHz)

Frequency (GHz)

Noise Factor Curve

S12 Paremeter Curve

Conditions: Vbias = 12 V, Vamp = 1.2 V, Vxp = 0.7 V, Ibias = 650 mA

Conditions: Vbias = 12 V, Vamp = 1.2 V, Vxp = 0.7 V, Ibias = 650 mA-108-2076

Noise figure (dB)-30

S12 (dB)

10-40-50-60-70

54
321-80002468101214161820

22Frequency (GHz)www.photonics.ixblue.com

024681012141618

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DR-DG-20-HO
22 Gbps High Output Voltage Driver

PHOTLINE DRIVER
Eye Diagrams
10 Gbps data rate
Conditions: Ratio y, Pattern 231-1
Vbias = 12 V, Vamp = 1.4 V, Vxp = 0.7 V, Ibias = 501 mA

Input signal
Eye amplitude = 660 mV, Rise time = 15.11 ps
Jitter RMS = 598 fs, SNR = 19.5

Output response
Eye amplitude = 12.26 V, Rise time = 12.89 ps
Jitter RMS = 786 fs, SNR = 23.05

20 Gbps data rate
Conditions: Ratio y, Pattern 231-1
Vbias = 12 V, Vamp = 1.5 V, Vxp = 0.8 V, Ibias = 575 mA@Input signal
Eye amplitude = 658 mV, Rise time = 14 ps
Jitter RMS = 716 fs, SNR = 22.71

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Output response
Eye amplitude = 13.01 V, Rise time = 13.11 ps
Jitter RMS = 1.277 ps, SNR = 17.60

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DR-DG-20-HO
22 Gbps High Output Voltage Driver

PHOTLINE DRIVER
Electrical Schematic Diagram

Mechanical Diagram and Pinout
All measurements in mm Q T   T   The heatsinking of the module is necessary. It’s user responsability to use an adequate heatsink. Refer to page 6 for iXBlue recommendedheatsink.

PIN

Function

UnitINRF InK connector female

OUTRF OutK connector maleVbias

Power supply voltage

Set a typical operating specification

VampOutput voltage amplitude adjustment

Adjust for gain control tuning

VxpOutput voltage cross point adjustment

Adjust for cross point control tuning

Det

RF power detector

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DR-DG-20-HO
22 Gbps High Output Voltage Driver

PHOTLINE DRIVER
Mechanical Diagram And Pinout With HS-HO1 Heatsink
All measurements in mm

I

07_2015_PT_SP_ED0

IAbout us
iXBlue Photonics includes iXBlue iXFiber brand that produces specialty optical fibers and Bragg gratings based fiber
optics components and iXBlue Photline brand that provides optical modulation solutions based on the company lithium
niobate (LiNbO3) modulators and RF electronic modules.
iXBlue Photonics serves a wide range of industries: sensing and instruments, defense, telecommunications, space andfiber lasers as well as research laboratories all over the world.
Ixblue reserves the right to change, at any time and without notice, the specifications, design, function orform of its products described herein. All statements, specification, technical information related to theproducts herein are given in good faith and based upon information believed to be reliable and accurate at
the moment of printing. However the accuracy and completeness thereof is not guaranteed. No liability isassumed for any inaccuracies and as a result of use of the products. The user must validate all parameters for each application before use and he assumes all risks in connection with the use of the products

3, rue Sophie Germain
25 000 Besançon - FRANCE
Tel. : +33 (0) 381 853 180 - Fax : + 33 (0) 381 811 557
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