3

70 GHz DUAL-WINDOW BALANCED PHOTODETECTOR

Environmental Specifications

Operating Conditions

Electro-Optical Specifications 1

Notes:

1. λ = 1550 nm, V

PD = ±2.8 V, T = 25 °C, POPT = -3 dBm.

2. Measured using Agilent 86030A 67 GHz Lightwave component analyzer.

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Operating Case Temperature

T

case

0

75

°C

Relative Humidity

RH

Non-condensing

5

85

%

Storage Temperature

T

sto

-40

85

°C

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Operating Wavelength Range

λ

1300

1330

nm

1525

1575

Average Optical Input Power Range

P

OPT

For each diode

-20

10

dBm

Photodiode Bias Voltage

V

PD1

2.0

2.8

3.3

V

V

PD2

-3.3

-2.8

-2.0

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Photodiode DC Responsivity

R

1310 nm

1550 nm optimum polarization

0.35

0.45

0.45

0.6

A/W

Imbalance of Responsivity

Imb

Imb = |10*log10(R

PD1/RPD2)|

0.15

0.5

dB

Polarization-Dependent Loss

PDL

1310 nm

1550 nm

0.6

0.4

0.9

0.8

dB

Photodiode Dark Current

I

dark

5

200

nA

Optical Return Loss

ORL

1550 nm

27

dB

3 dB Cut-off Frequency 2

f

3dB

59

69

GHz

RF Common Mode Rejection

Ratio

CMRR

CMRR = 20*log10|(S

21 – S31)/(S21 + S31)|

15

dB

Output Reflection Coefficient

S

22

0…15 GHz

-15

-10

dB

15…30 GHz

-10

-7

30…67 GHz

-2.6

-1.5

Skew

2

ps

Skew (Inter Detector Module)

RM & RQ version

10

ps