features bandwidth .......................... 50 khz to 3 ghz small size un-cooled dfb laser no external control circuits required transimpedance amplifier in both transmitter and receiver operational status monitor pins applications antenna remoting local oscillator remoting interfacility communication links c40-1107-7 100 davids drive, hauppauge, ny 11788 ? tel: (631) 439-9220 ? fax: (631) 436-7430 ? www.miteq.com 50 khz - 3 ghz lbl fiber optic link electrical specifications parameters condition units min. typ. max. operating frequency 3 db bandwidth 50 khz 3 ghz gain db 12 17 22 noise figure above 50 mhz db 10 15 group delay peak-to-peak ns 0.1 0.2 vswr input/output 2:1 phase noise 100 hz offset dbc 100 input power at 1 db compression option a dbm -14 spurious-free dynamic range 1 hz bandwidth db/hz 2/3 100 106 maximum input power no damage dbm +10 maximum output power saturated dbm +10 impedance input/output ohms 50 rf connectors sma female (male optional) note: -30 dbm input power. optical performance specifications parameters condition units min. typ. max. fiber optic connectors fc/apc (other standard available) fiber single mode fiber (9/125?) wavelength nm 1540 1550 1560 spectral width fwhm nm 0.1 optical power in fiber reference only mw 3 4 side mode suppression ratio db 30 40 power requirements parameters current @ 25? base plate units min. typ. max. (vdc) (vdc) (vdc) transmitter 200 ma 2 +11 +12 +20 100 ma 1 -11 -12 -20 receiver 100 ma 4 +11 +12 +20
100 davids drive, hauppauge, ny 11788 ? tel: (631) 439-9220 ? fax: (631) 436-7430 ? www.miteq.com c40-1107-8 typical test data transmitter input return loss input return loss (db) 0 -10 -20 -30 -40 frequency (mhz) frequency (mhz) frequency (mhz) frequency (mhz) frequency (mhz) max max max min flat + max flat - min 10 -1 10 0 10 1 10 2 10 3 10 -1 10 0 10 1 10 2 10 3 10 -1 10 -2 10 0 10 1 10 2 10 3 receiver output return loss output return loss (db) 0 -5 -10 -15 -20 link gain gain (db) 21 18 15 12 9 link input power at 1db compression point input power (dbm) -6 -8 -11 -10 -9 -14 -7 -13 -12 -15 link noise figure noise figure (db) 5 30 20 10 15 25 35 0 500 3000 1500 2500 1000 2000 500 3000 1500 2500 1000 2000
c40-1107-9 100 davids drive, hauppauge, ny 11788 ? tel: (631) 439-9220 ? fax: (631) 436-7430 ? www.miteq.com environmental conditions operating temperature .......... -20 to +70 c storage temperature ............ -40 to +85 c humidity ................................ 95% relative humidity, noncondensing ordering information transmitter.............. part number: LBT-50K-3G-25-15-M14 receiver.................. part number: lbr-50k-3g-10-15-10 typical test data (cont.) avg: off 1550.97 in vac user cal 5.00 nm/div 1575.97 -39.96 0.04 -19.96 10.00 db/div -59.96 -79.96 rbw: 0.5 nm vbw: 55 khz stop band 1.55 nm center offset 0.07 nm smsr 44.69 db sens: -36.28 dbm st: 56.3 ms 1525.97 nm 20.04 dbm ref: 10.04 dbm dfb source test (tra) peak wavelength 1551.12 nm mode offset 1.90 nm peak amplitude 9.86 dbm bandwidth 0.55 nm at: -3.00 db 0.500 nm/div -39.96 0.04 -23.28 10.00 db/div -59.96 -79.96 rbw: 0.06 nm vbw: 3.0 khz sens: -33.17 dbm st: 56.3 ms avg: off in vac user cal 1550.967 1553.467 1548.467 nm 20.04 dbm dfb source test (tra) peak wavelength 1550.977 nm mode offset -0.265 nm peak amplitude 9.96 dbm bandwidth 0.050 nm at: -3.00 db stop band 0.990 nm center offset -0.230 nm smsr 46.53 db ref: 10.04 dbm lna (pre-amplifier) laser bias loop voltage regulation isolator optical fiber rf input rf output transimpedance transmitter lna photodiode bias voltage regulation photo- diode transimpedance receiver block diagram transmitter spectrum 50 nm span transmitter spectrum 5 nm span
note: dimensions shown in brackets [ ] are in millimeters. 100 davids drive, hauppauge, ny 11788 ? tel: (631) 439-9220 ? fax: (631) 436-7430 ? www.miteq.com c40-1107-10 transmitter outline drawing .224 [5.690] .319 [8.103] .194 [4.928] .209 [5.309] .090 [2.286] .18 [4.57] 2x .093 [2.362] .280 [7.112] .25 [6.35] .425 [10.795] pin 1 .740 [18.796] 1 2 2.25 [57.15] .050 [1.27] .600 [15.24] .380 [9.65] .604 [15.342] .830 [21.082] .375 [9.525] .066 [1.676] .28 [7.11] .27 [6.86] .15 [3.81] .31 [7.87] .150 [3.81] typical ground terminal .85 [21.59] .371 [9.423] pin 1 .89 [22.61] 1 2 3 .73 [18.54] .239 [6.071] .904 [22.962] .904 [22.962] .55 [13.97] 1.042 [26.467] .82 [20.83] 1.385 [35.179] .22 [5.59] #2-56 unc 0.16 [4.06] bottom side top receiver outline drawing transmitter power supply pin voltage current (amps) notes 1 -12 0.1 2+12 0.2 3 photocurrent monitor refer to "operational status" transmitter operational status pin description normal voltage notes optical 3 power -2.5 v to -1.5 v 0 volts indicates no laser light monitor rf connector: sma (female standard) optical connector: fc/apc standard (other standards available) optical fiber: 9/125 single mode rf connector: sma (female standard) optical connector: fc/apc standard (other standards available) optical fiber: 9/125 single mode receiver power supply pin voltage current (amps) notes 1 photocurrent monitor refer to "operational status" 2+12 0.1 receiver operational status pin description normal voltage notes optical 0 volts indicates no carrier present. 1 carrier > 1.0 voltage increases approximately detect up to +8 1.3 v/mw with detected optical power. single mode fiber with 900m buffer 1 meter long single mode fiber with 900m tight buffer 1 meter long
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