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SBT FIBER OPTIC TRANSMITTER

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            SBT FIBER OPTIC TRANSMITTER
                                                                                                Specifications

                                                                                                Typical Test Data
                                                                            SBT
                                                                     FIBER OPTIC
                                                                   TRANSMITTER                  Outline Drawing




             FEATURES                                 APPLICATIONS
             • Low noise, high dynamic range
                                                      •   L-, S- and C-band antenna remoting
             • Bandwidth to 4.5 GHz
                                                      •   Local oscillator remoting
             • Low start frequency, 50 kHz optional
                                                      •   EMC testing
             • Plug and play. No external control
                                                      •   RF on fiber
               circuits required
                                                      •   Interfacility communication links
             • Rack-mount and outdoor enclosures
               available                              •   CATV distribution




100 Davids Drive • Hauppauge, NY 11788 • 631-436-7400 • Fax: 631-436-7430 • www.miteq.com
                                                               SBT
                                                        FIBER OPTIC
                                                      TRANSMITTER




FEATURES                                 APPLICATIONS
• Low noise, high dynamic range
                                         •   L-, S- and C-band antenna remoting
• Bandwidth to 4.5 GHz
                                         •   Local oscillator remoting
• Low start frequency, 50 kHz optional
                                         •   EMC testing
• Plug and play. No external control
                                         •   RF on fiber
  circuits required
                                         •   Interfacility communication links
• Rack-mount and outdoor enclosures
  available                              •   CATV distribution
                                                     SPECIFICATIONS

                                               ELECTRICAL SPECIFICATIONS
PARAMETER                                             CONDITION                       UNITS           MIN.        TYP.    MAX.
Operating frequency                                   3 dB bandwidth
                                                     Model: SBT-2500                    MHz             10                2500
                                                   Model: SBT-2500-50k                  MHz            0.05               2500
                                                     Model: SBT-4500                    MHz             10                4500
                                                   Model: SBT-4500-50k                  MHz            0.05               4500
Gain                                        Measured E/O with a Hewlett Packard         dB               3         6        9
                                                  8703 lightwave analyzer
Noise figure (above 10 MHz)                Measured with LBR-10M4P5G-10-15-10
                                                    fiber optic receiver
                                                  Model: SBT-2500 (-50k)                 dB                        11      15
                                                  Model: SBT-4500 (-50k)                 dB                       16.5     18
Group delay                                            Peak-to-peak                      ns                        0.2
VSWR                                                       Input                                                           2:1
Input power at 1 dB compression
                                                      Model: SBT-2500                   dBm            -10        -8.2
                                                      Model: SBT-4500                   dBm            -15        -12
Spurious-free dynamic range                            1 Hz bandwidth                 dBz/Hz2/3        100
Maximum input power                                      No damage                      dBm                                +10
RF connectors                                     SMA female (male optional)
Impedance                                                   Input                      Ohms                        50
NOTE: Test condition at -30 dBm input power, 1 m of fiber.


                                    OPTICAL PERFORMANCE SPECIFICATIONS
PARAMETER                                              CONDITION                      UNITS           MIN.        TYP.    MAX.
Fiber                                                 Single mode fiber
Fiber optic connectors                         SC/PC (other standards available)
Wavelength                                        CWDM channels available,               nm                       1550
                                                   see chart on next page
Spectral width                                              FWHM                        nm                        0.06
Optical power in fiber                                 Reference only                   mW               3          5       9
Side mode suppression ratio                                                             dB              35         40



                                                DC POWER REQUIREMENTS
PARAMETER                                CURRENT @ 25°C BASE PLATE (TYP.)              PIN #          MIN.        TYP.    MAX.
Transmitter                                          190 mA                              4            +11 V       +12 V   +16 V
                                                     105 mA                              5            -11 V       -12 V   -16 V


                                             ENVIRONMENTAL CONDITIONS
PARAMETER                                               CONDITION                     UNITS           MIN.        TYP.    MAX.
Operating temperature                                                                  °C              -20                 +70
Storage temperature                                                                      °C            -40                 +85
Humidity                                      Relative humidity, noncondensing           %                                  95
Vibration                  7.3 g’s rms, 20-2000 CPS, Per MIL-STD-810B, Method 514, Procedure 5


ORDERING INFORMATION                                                                       PART NUMBER EXAMPLES
Standard transmitter                                                                       SBT-2500 or SBT-4500
50 kHz start frequency option                 Add -50k to model number                     SBT-4500-50k
Specify a CWDM channel                        Add channel number from chart                SBT-2500-1310
                                              to end of part number                        SBT-4500-1310
Specify a CWDM channel and                    Add -50k and channel number from             SBT-2500-50k-1310
50 kHz start frequency option                 chart to end of part number                  SBT-4500-50k-1310
                               Transmitter Input Return Loss                                                                                   Link Frequency Response


                                                                  TYPICAL TEST DATA
                              TRANSMITTER INPUT RETURN LOSS                                                             LINK FREQUENCY RESPONSE*
                                0                                                                              21
       RETURN LOSS (dB)                                                                                        18
                              -10




                                                                                             GAIN (dB)
                                                                                                               15
                                                                                                               12
                              -20
                                                                                                               9

                              -30                                                                              6
                                                                                                               3
                              -40                                                                              0
                                    0 500 1000 1500 2000 2500 3000 3500 4000 4500                                   0        1000   2000   3000            4000
                                               FREQUENCY (MHz)                                                                  FREQUENCY (MHz)

                                     LINK RELATIVE GROUP DELAY*                                                              LINK NOISE FIGURE*
                               500                                                                             21
        RELATIVE DELAY (ps)




                               400
                                                                                                               18




                                                                                           NOISE FIGURE (dB)
                               300
                               200                                                                             15
                               100                                                                             12
                                 0
                              -100                                                                              9
                              -200                                                                              6
                              -300
                                                                                                                3
                              -400
                              -500                                                                              0
                                     0      1000   2000   3000          4000                                        0    500 1000 1500 2000 2500 3000 3500 4000 4500
                                               FREQUENCY (MHz)                                                                    FREQUENCY (MHz)

          * Measured with LBR-10M4P5G-10-15-10.

                                                                    SBT CWDM CHANNELS
  CHANNEL NO.                 MIN.                                                  TYP.                                          MAX.                        UNIT
     -1270                     1267                                                 1270                                          1273                         nm
     -1290                     1287                                                 1290                                          1293                         nm
     -1310 Link Relative Group 1307
                               Delay                                                1310                                          1313                         nm
                                                                                                                                            Link Noise Figure
     -1330                     1327                                                 1330                                          1333                         nm
     -1350                     1347                                                 1350                                          1353                         nm
     -1370                     1367                                                 1370                                          1373                         nm
     -1390                     1387                                                 1390                                          1393                         nm
     -1410                     1407                                                 1410                                          1413                         nm
     -1430                     1427                                                 1430                                          1433                         nm
     -1450                     1447                                                 1450                                          1453                         nm
     -1470                     1467                                                 1470                                          1473                         nm
     -1490                     1487                                                 1490                                          1493                         nm
     -1510                     1507                                                 1510                                          1513                         nm
     -1530                     1527                                                 1530                                          1533                         nm
     -1550                     1547                                                 1550                                          1553                         nm
     -1570                     1567                                                 1570                                          1573                         nm
     -1590                     1587                                                 1590                                          1593                         nm
     -1610                     1607                                                 1610                                          1613                         nm

  Example:
  To specify a wavelength for a 2.5 GHz SBT transmitter, add the channel number to the end of the part number: SBT-2500-1310
  To specify a 1310 nm wavelength for a 2.5 GHz SBT transmitter with a 50 kHz start frequency: SBT-2500-50k-1310




                                                                  GENERAL SPECIFICATIONS
PARAMETER                                                    CONDITION                               UNITS                       MIN.             TYP.            MAX.
Wavelength temperature coeff.                              CW, Tcase = 0~+70°C                       nm/°C                       0.07              0.1             0.12
SBT FIBER OPTIC
TRANSMITTER

                                            OUTLINE DRAWING



            RF INPUT CONNECTOR
               TYPE: SMA FEMALE
                                           1.37 [34.8]                .28 [7]

                          .30 [7.6]
                                                    OK       FAULT
                                                      LASER
                                                      STATUS
                                                   .59 [15.1]                               .72 [18.3]
                                                                                     .41 [10.4]
                                                 2.49 [63.2]
                                              2.29 [58.2]
                           .38 [9.5]
                                                         1.47 [37.4]
                         .33 [8.4]                        .10 [2.5]                         .12 [3]




                                  1.25                                           1.70           2.76
                                 [31.8]                                         [43.2]         [70.2]

                         2.10                                                         2.50
                        [53.3]                                                       [63.5]




    5X #4-40 UNC X .19 [4.83]
                 CUSTOMER
           MOUNTING HOLES           .27                                                       5X Ø 0.14 [3.56] THRU
                                                                                   .12        CUSTOMER MOUNTING
                                 [6.86]                  1.43 [36.3]               [3]        HOLES
              OPTICAL OUTPUT                     2.25 [57.2]
                FIBER 9/125/900
           LENGTH: APPROX. 1M                                                       POWER AND STATUS
   CONNECTOR: SC/PC STANDARD                                                        CONNECTOR TYPE DEM-9
   OTHER STANDARDS AVAILABLE                                                        SEE TABLE FOR PIN OUT
                                                     1.87 [47.4]                         .35 [8.9]



                              .31                                                                     PIN               DESCRIPTION
                             [7.9]                                                                     1    GROUND
                                                   .84                                                 2    -12 VDC, 250 mA MAX.
                                                 [21.3]                                                3    +12 VDC, 150 mA MAX.
                                                                                                            OPTICAL POWER MONITOR
                                                                                                        4   NORMAL OPERATION = -2.5 TO -1.5 VDC
                                                                                                            0 VOLTS INDICATES NO LASER LIGHT
                                                                                                        5   NO CONNECTION
                                                                                                        6   NO CONNECTION
                                                                                                        7   NO CONNECTION
                                                                                                        8   NO CONNECTION
                                                                                                        9   NO CONNECTION


    NOTE: All dimensions shown in brackets [ ] are in millimeters.




                                                                                       100 Davids Drive, Hauppauge, NY 11788
                                                                                   TEL.: (631) 436-7400 • FAX: (631)436-7430
                                                                                                               www.miteq.com
D-337                                                                                                                                         07•06

				
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