california eastern laboratories 155.52 mb/s atm-pon optical transceiver for onu od-b1511-onub OD-B1511-ONUC general full compliance with itu-t g.983.1 class b (od-b1511-onub) and class c (OD-B1511-ONUC) for single fiber bi-directional transmission applied to onu(optical network unit) on atm-pon system integrated 1300/1500 nm wdm function by employing plc (planar lightwave circuit) single power supply voltage of +3.3 v transmitter p ar t 155.52 mb/s burst-mode transmitter operating at wavelength of 1300 nm instantaneous operation from the 1st bit of burst cell by feed-forward apc circuit employing rom low return loss of less than -12 db at 1300 nm laser bias current control in burst-by- burst (bias cnt) optical output degrade detection (tx alm) shut down function (shutdown) receiver p ar t 155.52 mb/s continuous-mode receiver operating at wavelength of 1500 nm clock and data recovery function by pll circuit optical input loss detection (rx alm) plc module d-ff ld driver temp. sense ld current control eep rom mon. pd ld 1.3 m alarm det. pll d-ff lim- amp pre-amp pd 1.5 m fiber out alarm det. rx alm clkin datain dataout clkout tx alm shutdown bias cont wdm features block diagram figure 1
symbols parameters units min max v cc power supply voltage v -0.3 +4.0 t stg storage temperature c -40 +85 p f input optical power dbm - 0 t sol lead soldering temperature c/sec - 260/10 b rpf bending radius of pigtail fiber mm 30 - t fp tensile force on pigtail 2 n- 2 v in signal input voltage v -0.3 v cc +0.3 absolute maximum ratings 1 (tc = 25 ? c, unless otherwise specified) notes: 1. operation in excess of any one of these parameters may result in permanent damage. 2. = 200 gf od-b1511-onub, OD-B1511-ONUC recommended operating conditions symbol parameter units min typ max remarks t a ambient temperature ? c -40 - +85 od-b1511-onub -40 - +75 OD-B1511-ONUC ha ambient humidity % 5 - 95 v cc power supply voltage v +3.135 +3.300 +3.465 t a power supply current ma - - 300 not include lvpecl termination current psn power supply noise mvpp - - 100 noise frequency at 100 hz to 1 mhz optical interface items unit specifications remarks od-b1511-onub OD-B1511-ONUC operating wavelength nm 1260 to 1360 normal bit rate mb/s 155.52 line code - scrambled nrz (burst-mode) photo diode - fp-ld mean output power dbm -4 to +2 -2 to +4 optical output waveform - mask spec figure 2 (after passing through a 4th-order thomson filter;fc = 0.75 x 155.52 mhz) exctintion ratio db more than 10 spectral width (rms) nm less than 5.8 under modulation condition at 2 23 -1 pattern launched optical power dbm less than -40 less than -43 without input to the transmitter consecutive identical digit bit more than 72 immunity tolerance to the transmitter db more than -15 incident light power maximum reflectance db less than -12 measured at wavelength of 1.3 m jitter transfer - mask spec figure 3 jitter tolerance ul p-p less than 0.2 frequency range from 0.5 khz to 1.3 mhz transmitter section
figure 2. mask of eye diagram 130 khz frequency slope = -20 db/dec 0.1 jitter gain (db) 6.5 khz frequency slope = -20 db/dec 0.75 ulp-p input jitter amplitude 65 khz 0.075 ulp-p figure 3. jitter transfer mask figure 4. jitter tolerance mask items unit specifications remarks od-b1511-onub OD-B1511-ONUC operating wavelength nm 1480 to 1580 normal bit rate mb/s 155.52 +/-100ppm line code - scrambled nrz (continuous-mode) photo diode - pin-pd minimuim sensitivity dbm less than -30 less than -33 bit error rate is 10 -10 at 2 23 -1 pattern maximum overload dbm more than -8 more than -11 bit error rate is 10 -10 at 2 23 -1 pattern consecutive identical digit bit more than 72 immunity tolerance to the reflected db less than 10 optical power maximum reflectance db less than -20 measured at wavelength of 1.5 m jitter transfer - mask spec figure 3 jitter tolerance ul p-p mask spec figure 4 receiver section 0.0 1.0 0.9 0.65 0.5 0.35 0.1 1.13 1.0 0.87 0.8 0.5 0.2 0.13 0 -0.13 1 time slot (155.52 mb/s) optical interface od-b1511-onub, OD-B1511-ONUC
od-b1511-onub, OD-B1511-ONUC 1 v cc tx 2 gnd 3 bias cnt+ 4 bias cnt- 5 tx alm 6 clk in+ 7 clk in- 8 gnd 9 data in+ 10 data in- 11 shutdown 12 v cc tx t1 nc (to ground) t2 nc (to ground) t3 nc (to ground) t4 nc (to ground) v cc rx 24 gnd 23 gnd 22 gnd 21 rx alm 20 clk out+ 19 clk out- 18 gnd 17 data out+ 16 data out- 15 gnd 14 v cc rx 13 top view pin connections outline dimensions (units in mm) 24 12 1 13 17.30.6 55.00.6 40.20.6 35.56 5.2 top view 2.54 x 15 = 38.1 9.72 8.20.3 l t4 t1 od-b1511-**** date xxxx-xx no.xxxx nec date ex) 2000-09 serial number ex) 1234 0.64 exclusive north american agent for rf, microwave & optoelectronic semiconductors california eastern laboratories ? headquarters ? 4590 patrick henry drive ? santa clara, ca 95054-1817 ? (408) 988-3500 ? telex 34-6393 ? fax (408) 988-0279 24-hour fax-on-demand: 800-390-3232 (u.s. and canada only) ? internet: http://www.cel.com 01/17/2001 data subject to change without notice note: default pigtail fiber length (l) is 540 (+0/-40) mm. default optical connector is sc type.
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