Micro-MBC-2
A Dual Channel, Small Form, PCB Mountable
Modulator Bias Controller
Micro-MBC-2 is a dual channel, low profile LithiumNiobate modulator bias controller. Based on digital signal
processing (DSP) technique and highly sensitive and low
noise circuits, the Micro-MBC-2 can perform excellent
bias control for two modulators simultaneously. Eachchannel can be configured by the user to work in one of
the two control modes: Peak/Null control or Quad control.
The locking slope (Negative or Positive) is also selectable
on board, which makes Micro-MBC-2 a versatile bias
control solution for external modulators.
Micro-MBC-2 is designed to be integrated into transmitterboards. A photo diode with a low profile LC receptacle isbuilt-in for space saving purpose. With an embedded
serial communication interface, the bias controller can bemonitored and controlled on-line.
All bias and dither output channels have a minimum of30mA, 500pF load driving capability with short circuit
protection. Micro-MBC-2 can work continuously in a 0°C70°C environment.

Typical Application
10Gbps RZ
Data Transmission

DC10G Data
Modulator• Low Profile: L 40mm, W40mm,H 13mm
• PCB Mountable• Integrated Photo Detector
Low Profile RLC Receptacle• DSP Signal Processing• Small DC Bias Ripple Voltage:2mV Typical• Two Bias Channels
Up to two modulators can becontrolled simultaneously• Two Control Modes
Peak/Null or Quad
• Very Small Dither Signal
Amplitude
0.1%Max of Vπ for Peak control
0.1%Typ Modulation Depth for
Quad control• Wide Power Supply Range: ±5V~ ±12V DCRF•
1% TapDC••

CW Laser

Bias15G Sine

Bias2
VC1RF Driver
W/Gain Ctrl

Data Modulator: Quad ctrl
Clock Generator: Peak ctrl

Features

Applications

10G Clock
Generator
RFMicro-MBC-2

AGC

Data transmission system with
NRZ or RZ modulation
schemes
Photonics signal processing
Instrumentation+5V-5V

VC2
Micro-MBC-2

NRZ Data

940 Auburn Court, Fremont, CA 94538 | Tel: (510) 580-8828 | Fax: (510)580-8829 | www.pinephotonics.com | email: sales@pinephotonics.com

Connector J1 Pins Description

Micro-MBC-2 Technical Specifications

No Name

DIR

Description

1VdIn

2VcIn

Positive DC power supply for analog
circuit (+5~+12V)
Positive DC power supply for digital
circuit. Vc may be connected to Vd
directly or through a power resistor.

3GND

In/Out

4Vs

In

Negative DC power supply (-5~-12V)

5RXD

In

Serial data receiving pin

Parameters-5V DC power. When Vs is used as thenegative power entry, leave this pin open.
If this pin is used as the -5V input, connect
it to Vs.

Optical performance
Input optical power

Pi

Serial data transmission pin

Optical wavelength678-5V
TXD+5V

In/OutOut
In/OutPower Ground+5V DC power. When Vd is used as thepositive power entry, leave this pin open.
If this pin is used as the +5V input,
connect it to Vd & Vc
Slope selection for channel #1. For
positive slope locking, leave it open; fornegative slope locking, connect it to GND(pin 3).
Slope selection for channel #2. For
positive slope locking, leave it open; fornegative slope locking, connect it to +5V(pin 8).

9TCK/
SLP 1

In

10TDI/SLP2

In11TDO

12TMS

13TRST

14

EMU015

EMU116FLT

17AGNDNo user access

18+5VANo user accessReserved for factory testing.

Out

Filter output, reserved for factory testing

Connector J2 Pins Description
No Name

DIRDescription
Bias voltage / Peak control ditheroutput #1
Bias voltage / Peak control ditheroutput #2

1

BIAS 1Out2

BIAS 2Out3

VC 1Out

Quad control dither output #1

4VC 2

Out

Quad control dither output #2

5

PDKIn

External photo detector cathode

6PWR

Out

Optical power voltage output

SymbolDynamical performance
Rise time
Bias ripple voltage
Locking accuracy
Bias channel
DC bias voltage
DC bias voltage resolution
Load current
Load capacitancePeak control ditherFrequency
Amplitude range
Quad control dither
VC Dither frequency
VC Dither amplitude range
VC DC voltage
Load current
Load capacitancePower supply
Positive supply
Negative supply
Positive supply current
Negative supply current
Power dissipation
GeneralOperating temperature
Storage temperature
Dimension
WeightConditions

Min

λWith integrated photodetector

TrVrΘ

When bias is lockedMax

Unit-30-10

dBm

1000

1650

nm

23smV
Degree-20 ≤ Pi ≤ -10Typ.

21Vb
RbIb
Cb

Vee+2

Vdd-2
30500

VBitmA
pF

200

KHzmV200Vdd-2
30500

KHz
mVV
mApF

12-1216050
2.52

VVmAmAW

1400FmVm

9.80Fvc
Vvc
Vdcvc
Ivc
Cvc

9.80Vee+2(Source or sink)
0VddVee
Idd
IeeW

5-5
No load
No load
No load

To
Ts

070°C
-4085°C
L40mm x W40mm x H13mm
0.3 lb

Package information
1 2

Ordering information

1J2J1

Micro-MBC-2

17 1813mm

40mm

6Micro-MBC(TOP VIEW)
Micro-MBC(TOP VIEW)

40mm

940 Auburn Court, Fremont, CA 94538 | Tel: (510) 580-8828 | Fax: (510)580-8829 | www.pinephotonics.com | email: sales@pinephotonics.com