for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 1 hmc871lc5 ea optical modulator driver, dc - 20 ghz v03.1010 general description features functional diagram the hmc871lc5 is a gaas mmic phemt distri- buted driver amplifer packaged in a leadless 5x5mm surface mount package. the amplifer operates between dc and 20 ghz and provides 15 db of gain. the output swing cross point is adjustable and saturated output swing is 4vp-p. gain fatness is excellent at 0.5 db as well as very low additive rms jitter of 300 fs for 10 gbps operation. the hmc871lc5 provides vsr and gigabit ethernet designers with scalable power dissipation for varying output drive requirements (<0.25w at vout = 2.5 vp-p and <0.6w at vout = 4 vp-p). the hmc871- lc5 has a very wide supply (vdd) operating range from +5v to +8v and the i/os are internally matched to 50 ohms. wide supply range from 5v to 8v adjustable output amplitude up to 4 vp-p low additive rms jitter, <300 fs low dc power consumption, 0.25w for vout = 2.5 vp-p at vdd = 5v cross point adjustment 32 lead 5x5mm smt package: 25mm2 typical applications the hmc871lc5 is ideal for: ? sonet oc-192 & sdh-stm-64 transmission systems ? 10 gbe transmitters ? 10 gbps vsr modules ? pre-driver for 40 gbps dqpsk modules ? broadband gain block for test & measurement equipment electrical specifcations, t a = +25 c, vdd = 8v, vc = 0.5v, idd = 75ma* parameter conditions min. typ. max. units gain frequency = 1 - 8 ghz frequency = 8 - 16 ghz frequency = 16 - 20 ghz 13 12 10 16 15 13.5 db db db small signal bandwidth 3-db cutoff 17.5 ghz input return loss frequency = 1 - 10 ghz frequency = 10 - 20 ghz 20 10 db db output return loss frequency = 1 - 10 ghz frequency = 10 - 20 ghz 15 10 db db gain variation over temperature frequency = 1 - 10 ghz frequency = 10 - 20 ghz 0.016 0.025 0.022 0.36 db/c db/c group delay variation frequency = 1 - 12 ghz 15 ps saturated output power (psat) frequency = 1 - 12 ghz frequency = 12 - 20 ghz 18 16 dbm dbm * adjust vgg between -1v to 0v to achieve idd = 75 ma typical.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 2 electrical specifcations, t a = +25 c, vdd = 8v, vc = 0.5v, idd = 75ma* continued hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz parameter conditions min. typ. max. units output power for 1 db compression (p1db) frequency = 1 - 12 ghz frequency = 12 - 20 ghz 14 11 16.5 14 dbm dbm rise time [1] 20% - 80% 20 ps fall time [1] 20% - 80% 19 ps additive rms jitter [2] 300 fs supply current (idd) (vgg = -0.7v typ.) 75 ma bias current adjust (vgg) -2 0 v output voltage adjust (vc) 0 2 v [1] data input = 22.5 gbps nrz prbs 2 23 -1 pattern, 0.5 vp-p. [2] rms jitter is calculated with 22.5 gbps 10101... pattern. * adjust vgg between -1v to 0v to achieve idd = 75ma typical. electrical specifcations, t a = +25 c, vdd = 5v, vc = 0.5v, idd = 50ma* parameter conditions min. typ. max. units gain frequency = 1 - 8 ghz frequency = 8 - 16 ghz frequency = 16 - 20 ghz 11.5 11 8 14.5 14 11.5 db db db small signal bandwidth 3-db cutoff 18.5 ghz input return loss frequency = 1 - 10 ghz frequency = 10 - 20 ghz 15 10 db db output return loss frequency = 1 - 10 ghz frequency = 10 - 20 ghz 10 10 db db gain variation over temperature frequency = 1 - 10 ghz frequency = 10 - 20 ghz 0.017 0.024 0.024 0.034 db/c db/c group delay variation frequency = 1 - 12 ghz 15 deg saturated output power (psat) frequency = 1 - 12 ghz frequency = 12 - 20 ghz 14 11 dbm dbm output power for 1 db compression (p1db) frequency = 1 - 12 ghz frequency = 12 - 20 ghz 8 4 11 8 dbm dbm rise time [1] 20% - 80% 20 ps fall time [1] 20% - 80% 20 ps additive rms jitter [2] 300 fs supply current (idd) (vgg = -0.8v typ.) 50 ma bias current adjust (vgg) -2 0 v output voltage adjust (vc) 0 2 v [1] data input = 22.5 gbps nrz prbs 2 23 -1 pattern, 0.5 vp-p. [2] rms jitter is calculated with 22.5 gbps 10101... pattern. * adjust vgg between -1v to 0v to achieve idd = 50ma typical.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 3 v03.1106 hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz gain vs. temperature @ vdd = 5v gain & return loss @ vdd = 8v gain & return loss @ vdd = 5v p1db vs. temperature @ vdd = 8v gain vs. temperature @ vdd = 8v psat vs. temperature @ vdd = 8v -35 -25 -15 -5 5 15 25 0 2 4 6 8 10 12 14 16 18 20 s21 s11 s22 frequency (ghz) response (db) 0 5 10 15 20 25 0 2 4 6 8 10 12 14 16 18 20 +25c +85c -40c frequency (ghz) gain (db) 10 13 16 19 22 25 0 2 4 6 8 10 12 14 16 18 20 +25c +85c -40c frequency (ghz) p1db (dbm) -35 -25 -15 -5 5 15 25 0 2 4 6 8 10 12 14 16 18 20 s21 s11 s22 frequency (ghz) response (db) 0 5 10 15 20 25 0 2 4 6 8 10 12 14 16 18 20 +25c +85c -40c frequency (ghz) gain (db) 10 13 16 19 22 25 0 2 4 6 8 10 12 14 16 18 20 +25c +85c -40c frequency (ghz) psat (dbm)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 4 output power vs. input power @ 10 ghz, vdd = 8v output power vs. input power @ 10 ghz, vdd = 5v rise time vs. vdd @ 22.5 gbps [2] fall time vs. vdd @ 22.5 gbps [2] hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz [1] data input = 11.25 gbps nrz prbs 2 23 -1 pattern, 0.5 vp-p. [2] data input = 22.5 gbps nrz prbs 2 23 -1 pattern, 0.5 vp-p. 0 4 8 12 16 20 -10 -8 -6 -4 -2 0 2 4 6 8 10 +25c +85c -40c input power (dbm) output power (dbm) 5 10 15 20 25 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 5v vdd = 6v vdd = 8v vc (v) rise time (ps) 0 4 8 12 16 20 -10 -8 -6 -4 -2 0 2 4 6 8 10 +25c +85c -40c input power (dbm) output power (dbm) 5 10 15 20 25 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 5v vdd = 6v vdd = 8v vc (v) fall time (ps) peak-to-peak jitter vs. vdd @ 11.25 gbps [1] peak-to-peak jitter vs. vdd @ 22.5 gbps [2] 0 5 10 15 20 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 5v vdd = 6v vdd = 8v vc (v) p-p jitter (ps) 0 5 10 15 20 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 5v vdd = 6v vdd = 8v vc (v) p-p jitter (ps)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 5 hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz rms jitter vs. vdd @ 22.5 gbps [4] supply current vs. vdd @ 22.5 gbps [3] noise figure vs. temperature @ vdd = 8v [1] data input = 11.25 gbps nrz prbs 2 23 -1 pattern, 0.5 vp-p. [2] source jitter was not de-embedded [3] data input 22.5 gbps nrz prbs 2 23 -1 pattern, 0.5 vp-p. [4] rms jitter is measured with 22.5 gbps 10101...pattern 11.25 gbps nrz output eye diagrams measurements current min max units jitter p-p 9.78 ps 7.11 ps 9.78 ps v rise time 19.6 ps 18.7 ps 19.6 ps ps fall time 19.6 ps 18.7 ps 19.6 ps ps eye amp 3.03 v 3.03 v 3.03 v ps time scale: 40 ps/div amplitude scale: 800 mv/div vdd = 8v, vin: 11.25 gbps nrz prbs 2 31 -1, 0.5 vp-p vout: 3.03vp-p 50 100 150 200 250 300 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 5v vdd = 6v vdd = 8v vc (v) rms jitter (fs) 0 20 40 60 80 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 5v vdd = 6v vdd = 8v vc (v) supply current (ma) 0 1 2 3 4 5 6 0 2 4 6 8 10 12 14 16 18 +25c +85c -40c frequency (ghz) noise figure (db)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 6 11.25 gbps nrz output eye diagrams measurements current min max units jitter p-p 11.56 ps 8.89 ps 11.56 ps v rise time 16.9 ps 16.9 ps 16.9 ps ps fall time 16.9 ps 16.9 ps 17.8 ps ps eye amp 2.60 v 2.60 v 2.60 v ps time scale: 40 ps/div amplitude scale: 600 v/div vdd = 5v, vin: 11.25gbps nrz prbs 2 31 -1, 0.5v p-p, vout: 2.60vp-p hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz 22.5 gbps nrz output eye diagrams 22.5 gbps nrz output eye diagrams measurements current min max units jitter p-p 9.333 ps 8.000 ps 9.333 ps v rise time 17.78 ps 17.78 ps 18.67 ps ps fall time 17.78 ps 17.33 ps 18.67 ps ps eye amp 3.00 v 3.00 v 3.00 v ps time scale: 20 ps/div amplitude scale: 800 mv/div vdd = 8v, vin: 22.5 gbps nrz prbs 2 31 -1, 0.5 vp-p vout: 3.00vp-p measurements current min max units jitter p-p 10.667 ps 8.889 ps 11.556 ps v rise time 16.00 ps 10.67 ps 16.00 ps ps fall time 17.78 ps 16.89 ps 17.78 ps ps eye amp 2.63 v 2.63 v 2.64 v ps time scale: 20 ps/div amplitude scale: 800 v/div vdd = 5v, vin: 22.5gbps nrz prbs 2 31 -1, 0.5v p-p, vout: 2.63vp-p
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 7 hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz outline drawing notes: 1. package body material: alumina 2. lead and ground paddle plating: 30-80 microinches gold over 50 microinches minimum nickel. 3. dimensions are in inches [millimeters]. 4. lead spacing tolerance is non-cumulative. 5. package warp shall not exceed 0.05mm datum -c- 6. all ground leads and ground paddle must be soldered to pcb rf ground. absolute maximum ratings drain bias voltage (vdd) +9v gate bias voltage (vgg) -2 to 0v control bias voltage (vc) (vdd -8) to vdd (v) rf input power (rfin)(vdd = +8 vdc) +10 dbm channel temperature 175 c continuous pdiss (t = 85 c) (derate 15.08 mw/c above 85 c) 1.35 w thermal resistance (channel to ground paddle) 66.31 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1a vdd (v) idd (ma)* power dissipation (w) +5 50 0.25 +6 60 0.36 +8 75 0.60 * adjust vgg between -1v and 0v to achieve idd shown. typical supply current vs. vdd electrostatic sensitive device observe handling precautions
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 8 pin number function description interface schematic 1, 3, 4, 7 - 12, 14, 16 - 20, 23 - 29, 31 n/c the pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/dc ground externally. 2 vc output voltage swing adjust. +0.5v should be applied for nominal operation. 5 rfin this pin is dc coupled and matched to 50 ohms. dc blocking is required. 6, 21 gnd these pins and exposed package base must be connected to rf/dc ground. 13 acg2 low frequency termination. attach bypass capacitor per application circuit herein. 15 vgg gate control for amplifer. please follow mmic amplifer biasing procedure application note. 22 rfout this pin is dc coupled and matched to 50 ohms. dc blocking is required. 30 acg1 low frequency termination. attach bypass capacitor per application circuit herein. 32 vdd power supply for the amplifer. external bypass capacitors are required. pin descriptions hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 9 hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and package bottom should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation board should be mounted to an appropriate heat sink. the evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 127517 [1] item description j1 - j2 pcb mount sma connector j3 - j4 2mm molex header c1 4.7 f capacitor, tantalum c2, c3 1000 pf capacitor, 0402 pkg. c4, c9 100 pf capacitor, 0402 pkg. c5 0.1 f capacitor, 0603 pkg. c6 0.01 f capacitor, 0603 pkg. c7 2.2 f capacitor, 0603 pkg. c8 1000 pf capacitor, 0603 pkg. u1 hmc871lc5, modulator driver pcb [2] 127381 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: arlon 25fr or rogers 4350 evaluation pcb
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com optical & modulator drivers - smt 8 8 - 10 hmc871lc5 v03.1010 ea optical modulator driver, dc - 20 ghz device operation device power up instructions device power down instructions these devices are susceptible to damage from electrostatic discharge. proper precautions should be observed during handling, assembly and test. the input to this device should be ac-coupled. to provide the typical 4vp-p output voltage swing, a 0.5vp-p ac coupled input voltage swing is required. 1. ground the device, no rf signal applied to device 2. set vgg to -2v (no drain current) 3. set vc to +0.5v (no drain current) 4. set vdd to +5v or +8v (no drain current) 5. adjust vgg for idd = 50ma (vdd = 5v) or idd = 75ma (vdd = 8v) 6. apply rf signal. ? vgg may be varied between -1v and 0v to provide the desired eye crossing point percentage (i.e. 50% crosspoint) and a limited cross point control capability (20%) 1. reverse the sequence identifed above in steps 1 through 6. application circuit
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