Product Description:This is an ultra-small size, low power consumption without cooling, operating frequency up to 6GHz, with optical power monitoring and control of analog optical transmitter module, widely used in satellite communications, GPS signal transmission, distributed antenna systems, 5G communications, etc.

Tags:Mini size 6GHz APC 5G GPS Distributed antenna system

Applications: RF over Fiber (ROF)

Model:OM-TxCxxxNx-OSxx

S-Mini Analog Optical Transmitter with Pigtail

Features

  1. Supper-Mini size :31.3mm*17mm*10mm(L*W*H)  
  2. Un-cooled(without TEC),low power consumption  
  3. CWDM wavelength optional  
  4. Wide operating frequency from 10MHz to 6GHz  
  5. Flat frequency response  
  6. Have optical power monitoring function  
  7. Automatic optical power control(APC)  
  8. Broadband low noise amplifier(LNA) integrated(optional) 
  9. Bias-T circuit integrated for power supply through the RF SMA connector(optional,see the schematic  diagram below)  
  10. RoHS compliant and CE certification  
  11. Excellent EMI/EMC design

mt04-1.png

Bias-T Schematic Diagram


Application

  1. WiMAX / 4G / 5G  
  2. Satellite communications  
  3. Mobile backhaul  
  4. GPS signal transport  
  5. All-Digital QAM network  
  6. Data and video distribution  
  7. Distributed antenna system

Absolute Maximum Ratings

ParameterSymbolConditionMin.Max.Unit
Operating Case TemperatureTopr -20+70°C
Storage TemperatureTstg -40+85°C
DC Operating VoltageVd+5V Pin+4.7+5.5V
RF Input PowerPrfWithout LNA--20dBm
With LNA--15
Output Optical PowerPsCW--12mW
Relative HumidityHr --95%
PressurePr 86106kPa
ESD Human body model Class 1A 

Note Operation beyond these absolute maximum conditions may degrade device performance, lead to device failure,

shorter lifetime, and will invalidate the device warranty.

Typical Specification1)

Parameter Test Condition MIN. TYP. MAX. Unit
Frequency Range(1) TSC 0.01 ~ 3 GHz
TCC 0.01 ~ 6
Optical Wavelength CWDM optional nm
Gain (2) TSC Tx with LNA                                    Rx with LNA 6 14 -- dB
Tx with LNA                                    Rx without LNA -11 -3 --
Tx without LNA                    Rx with LNA -11 -3 --
Tx without LNA                    Rx without LNA -28 -24 --
TCC Tx without LNA                    Rx with LNA -11 -3 --
Tx without LNA                    Rx without LNA -30 -26 --
Ripple of Passband TSC 100M~3GHz,
1270nm~1370nm
-- ±1.5 ±2.2 dB
100M~3GHz,
1530nm and 1550nm
-- ±2.5 ±3.0
TCC 100M~6GHz,
1270nm~1370nm
-- ±1.5 ±2.2
100M~6GHz,
1530nm and 1550nm
-- ±2.5 ±3.0
Output Optical Power +25℃ -- 9 -- dBm
RF Return loss (50 Ω) TSC 10MHz ~ 3GHz, RF Input -- -10 -5 dB
TCC 10MHz ~ 6GHz, RF Input -- -10 -5
Input P-1dB(2) TSC with LNA, 1.5GHz -- 0 -- dBm
without LNA, 1.5GHz -- 17 --
TCC without LNA, 3GHz 17
SFDR(2) TSC 1.5GHz 102 115 -- dB·Hz2/3
TCC 3GHz 102 113 --
Input IP3(2) TSC with LNA, 1.5GHz 4 9 -- dBm
without LNA, 1.5GHz 25 33 --
TCC without LNA, 3GHz 21 33 --
Noise Figure (2) TSC with LNA, 1.5GHz      1270nm ~1370nm -- 18 25 dB
with LNA, 1.5GHz 
1270nm ~1370nm
-- 20 26
without LNA, 1.5GHz 
1270nm~1370nm
-- 32 40
without LNA, 1.5GHz  
1530nm and 1550nm
-- 35 42
TCC without LNA, 3GHz 
1270nm ~1370nm
-- 32 42
without LNA, 3GHz    
1530nm and 1550nm
-- 38 45
Operating Current with LNA, TSC -- 145 200 mA
without LNA, TSC/TCC -- 55 100
Operating Voltage +5V pin 4.8 5 5.2 VDC
Bias-T Voltage Thoughthe RF SMA connector 4.8 5 5.2 VDC
Bias-T Current Supply Thoughthe RF SMA connector - -- 200 mA

Note: (1) The lower start frequency such as 9kHz can be customized (without LNA only); (2) Test with MR03 series S-Mini optical receiver (see the picture below) and the fiber is 1-meter SMF-28 fiber.

MR03mini.jpg

MR03 Series S-Mini Optical Receiver (Rx)


Connector

TypeConnector
RFSMA (50Ω), Female
OpticalFC/APC (1)
Optical Fiber TypeSMF-28(Standard)
PowerEMI Low Pass Filter, Feed Through Capacitor

Note (1): Other type optical connector available upon request.

PIN Function

PINNameDirectionNote
1+5V+5V DC Power
2GNDRF and DC Ground
3OPOOptical Power Monitor,Power Level is +2.2V±0.4V Indicate Transmit OpticalPower Normal,Otherwise Indicate Transmit Optical Power Abnormal.

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Optical Transmitter top view

Laser Safety and ESD Protection

1,The laser safety level of MT04 series optical Tx modules is ClassⅢB (5mW~500mW). When using the Tx laser, the user has to avoid to exposure to the beam.

2, The MT04 series optical Tx modules have electrostatics sensitivity devices, so the user has to do a good job of ESD protection when using the modules.

20250513-3.png

Heat Dissipation Requirements:

In order to ensure proper performance, heat sinking and heat removal must be provided by the user to limit maximum temperature of the transmitter and receiver module. The bottom of the module is the preferred heat dissipation surface.

Mechanical (unit: mm)

20250513-4.png

                        Optical Transmitter

Note: When using the module, the bottom of the module needs to be fully cooled.

Ordering Information

Optical Transmitter


OM-TxCxxxNx-OSxx
OM: Frequency Range(1)Wavelength2 Optical Connector and  Operating Temperature4)Bias-T:LNA5
Optical TSC 10M~3GHz127: 1270nm Fiber Type3  S: -20 to 70℃1:without0:without
Module TCC
 10M~6GHz
129: 1290nm137: 1370nm 153: 1530nm 155: 1550nm F: FC/APC SML: LC/APC SM   T:with1:with

Note:(1) The lower start frequency such as 9kHz is available upon request (without LNA only) ;(2) Other wavelengths is available upon request; (3) Other types of optical fiber connector type is available upon request; (4) Other temperature range is available upon request, (5) LNA only supports TSC frequency band for the time being.