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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 hmc870lc5 mz optical modulator driver, dc - 20 ghz v04.1010 general description features functional diagram the hmc870lc5 is a gaas mmic phemt distri- buted driver amplifer packaged in a leadless 5x5 mm surface mount package which operates between dc and 20 ghz. the amplifer provides 17 db of gain, 8vp-p saturated output swing and features output swing cross point adjustment. gain fatness is excel- lent at 0.5 db as well as very low additive rms jitter of 300 fs for 10 gbps operation. hmc870lc5 prov- ides metro and long haul designers with scalable power dissipation for varying output drive require- ments. (<0.4w at vout = 3.6 vp-p and <1w at vout = 8.5 vp-p) the hmc870lc5 has a very wide supply (vdd) operating range from +3.3v to +7v, and the rf i/os are internally matched to 50 ohms. wide supply range from 3.3v to 7v adjustable output amplitude: 2.5 to 8 vp-p low additive rms jitter, <300 fs low dc power consumption 1w for vout = 8 vp-p at vdd = 7v cross point adjustment 32 lead 5x5mm smt package: 25mm2 typical applications the hmc870lc5 is ideal for: ? 10 gbps nrz mz & low v modulator driver ? 10 gbps rz transmission ? 40 gbps dqpsk ? broadband gain block for test & measurement equipment ? military & space electrical specifcations, t a = +25 c, vdd = 7v, vctl = 1v, idd = 165ma* parameter conditions min. typ. max. units gain frequency = 1 - 8 ghz frequency = 8 - 16 ghz frequency = 16 - 20 ghz 14 13 12 17.5 16.5 16 db db db small signal bandwidth 3-db cutoff 20 ghz input return loss frequency = 1 - 10 ghz frequency = 10 - 20 ghz 20 15 db db output return loss frequency = 1 - 10 ghz frequency = 10 - 20 ghz 20 15 db db gain variation over temperature frequency = 1 - 10 ghz frequency = 10 - 20 ghz 0.015 0.032 0.02 0.045 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 24 23 dbm dbm * adjust vgg between -2v to 0v to achieve idd= 165 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 = 7v, vctl = 1v, idd = 165ma* continued hmc870lc5 v04.1010 mz 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 19 18 22 21 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 = -0.6v typ.) 165 ma bias current adjust (vgg) -2 0 v output voltage adjust (vctl) 0 2 v [1] data input = 22.5 gbps nrz prbs 2 23 -1 pattern, 1.2 vp-p. [2] rms jitter is calculated with 22.5 gbps 10101... pattern. * adjust vgg between -2v to 0v to achieve idd = 165 ma typical. electrical specifcations, t a = +25 c, vdd = 5v, vctl = 1v, idd = 140ma* parameter conditions min. typ. max. units gain frequency = 1 - 8 ghz frequency = 8 - 16 ghz frequency = 16 - 20 ghz 14 13.5 12 17.5 17.0 16.5 db db db small signal bandwidth 3-db cutoff 20 ghz input return loss frequency = 1 - 10 ghz frequency = 10 - 20 ghz 20 15 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 0.029 0.02 0.045 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 22.5 22 dbm dbm output power for 1 db compression (p1db) frequency = 1 - 12 ghz frequency = 12 - 20 ghz 18 17 20.5 20 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 = -0.6v typ.) 140 ma bias current adjust (vgg) -2 0 v output voltage adjust (vctl) 0 2 v [1] data input = 22.5 gbps nrz prbs 2 23 -1 pattern, 1.2 vp-p. [2] rms jitter is calculated with 22.5 gbps 10101... pattern. * adjust vgg between -2v to 0v to achieve idd = 140 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 - 3 hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz gain vs. temperature @ vdd = 7v gain & return loss @ vdd = 7v gain & return loss @ vdd = 5v gain vs. temperature @ vdd = 5v gain & return loss @ vdd = 3.3v gain vs. temperature @ vdd = 3.3v -35 -25 -15 -5 5 15 25 0 4 8 12 16 20 s21 s11 s22 frequency (ghz) response (db) -35 -25 -15 -5 5 15 25 0 4 8 12 16 20 s21 s11 s22 frequency (ghz) response (db) 0 5 10 15 20 25 0 4 8 12 16 20 +25c +85c -40c frequency (ghz) gain (db) -35 -25 -15 -5 5 15 25 0 4 8 12 16 20 s21 s11 s22 frequency (ghz) response (db) 0 5 10 15 20 25 0 4 8 12 16 20 +25c +85c -40c frequency (ghz) gain (db) 0 5 10 15 20 25 0 4 8 12 16 20 +25c +85c -40c frequency (ghz) gain (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 - 4 p1db vs. temperature @ vdd = 7v psat vs. temperature @ vdd = 7v output power vs. input power @ 10 ghz, vdd = 7v output power vs. input power @ 10 ghz, vdd = 3.3v output power vs. input power @ 10 ghz, vdd = 5v peak-to-peak output voltage vs. vdd @ 11.25 gbps [1] hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz 15 18 21 24 27 30 0 4 8 12 16 20 +25c +85c -40c frequency (ghz) p1db (dbm) 8 12 16 20 24 28 -6 -4 -2 0 2 4 6 8 10 12 14 +25c +85c -40c input power (dbm) output power (dbm) 8 12 16 20 24 28 -6 -4 -2 0 2 4 6 8 10 12 +25c +85c -40c input power (dbm) output power (dbm) 15 18 21 24 27 30 0 4 8 12 16 20 +25c +85c -40c frequency (ghz) psat (dbm) 8 12 16 20 24 28 -6 -4 -2 0 2 4 6 8 10 12 14 +25c +85c -40c input power (dbm) output power (dbm) 0 2 4 6 8 10 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 3.3v vdd = 5v vdd = 6v vdd = 7v vctl (v) p-p output voltage (vp-p) [1] data input = 11.25 gbps nrz prbs 2 23 -1 pattern, 1.2 vp-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 - 5 hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz peak-to-peak output voltage vs. vdd @ 22.5 gbps [1] fall time vs. vdd@ 22.5 gbps [1] peak-to-peak jitter vs. vdd @ 11.25 gbps [3][4] rise time vs. vdd @ 22.5 gbps [1] rms jitter vs. vdd @ 22.5 gbps [2] peak-to-peak jitter vs. vdd @ 22.5 gbps [1][4] 0 2 4 6 8 10 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 3.3v vdd = 5v vdd = 6v vdd = 7v vctl (v) p-p output voltage (vp-p) 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 = 3.3v vdd = 5v vdd = 6v vdd = 7v vctl (v) falltime (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 = 3.3v vdd = 5v vdd = 6v vdd = 7v vctl (v) p-p jitter (ps) 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 = 3.3v vdd = 5v vdd = 6v vdd = 7v vctl (v) rise time (ps) 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 = 3.3v vdd = 5v vdd = 6v vdd = 7v vctl (v) rms jitter (fs) 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=3.3v vdd=5v vdd=6v vdd=7v vctl (v) p-p jitter (ps) [1] data input = 22.5 gbps nrz prbs 2 23 -1 pattern, 1.2 vp-p. [2] rms jitter is measured with 22.5 gbps 10101... pattern. [3] data input = 11.25 gbps nrz prbs 2 23 -1 pattern, 1.2 vp-p. [4] source jitter was not de-embedded.
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 hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz supply current vs. vdd @ 22.5 gbps [1] noise figure vs. temperature @ vdd = 7v 11.25 gbps nrz output eye diagram 11.25 gbps nrz output eye diagram 40 80 120 160 200 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vdd = 3.3v vdd = 5v vdd = 6v vdd = 7v vctl (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) [1] data input = 22.5 gbps nrz prbs 223-1 pattern, 1.2 vp-p measurements current min max units eye amplitude 3.6 3.6 3.6 v rise time 20 20 20 ps fall time 21.33 20.67 22 ps jitter rms 1.893 1.87 2.072 ps time scale: 30.0 ps/div amplitude scale: 762 mv/div vdd = 3.3v, vin: 11.25 gbps nrz prbs 2 31 -1, 0.5 vp-p vout: 3.6vp-p vctl = 1v measurements current min max units eye amplitude 7.47 7.47 7.47 v snr 17.97 17.88 18.12 v/v time scale: 30.0 ps/div amplitude scale: 1.17 v/div vdd = 5v, vin: 11.25gbps nrz prbs 2 31 -1, 1.2v p-p, vout: 7.5vp-p vctl = 1v
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 hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz 22.5 gbps nrz output eye diagram 22.5 gbps nrz output eye diagram measurements current min max units eye amplitude 8.26 8.26 8.27 v snr 22.35 22.26 22.51 v/v time scale: 30.0 ps/div amplitude scale: 1.17 v/div vdd = 7v, vin: 11.25gbps nrz prbs 2 31 -1, 1.2v p-p, vout: 8.3vp-p vctl = 1v measurements current min max units eye amplitude 3.53 3.53 3.54 v rise time 18.22 17.33 18.22 ps fall time 20.44 19.56 20.89 ps jitter rms 2.417 2.187 2.422 ps time scale: 20.0 ps/div amplitude scale: 762 mv/div vdd = 3.3v, vin: 22.5gbps nrz prbs 2 31- 1, 0.5v p-p, vout: 3.5vp-p vctl = 1v measurements current min max units eye amplitude 7.85 7.84 7.85 v snr 13.74 13.69 14.07 v/v time scale: 20.0 ps/div amplitude scale: 1.17 v/div vdd = 7v, vin: 22.5gbps nrz prbs 2 31 -1, 1.2 v p-p, vout: 7.9vp-p vctl = 1v 11.25 gbps nrz output eye diagram (continued)
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 hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz absolute maximum ratings drain bias voltage (vdd) +9v gate bias voltage (vgg) -2v to 0v control bias voltage (vctl) (vdd -7) to vdd (v) rf input power (rfin)(vdd = +7 vdc) +23 dbm channel temperature 175 c continuous pdiss (t = 85 c) (derate 24 mw/c above 85 c) 1.5 w thermal resistance (channel to ground paddle) 59.4 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) +3.3 100 0.33 +5.0 140 0.70 +6.0 160 0.96 +7.0 165 1.115 * adjust vgg between -2v to 0v to achieve idd shown. typical supply current vs. vdd* electrostatic sensitive device observe handling precautions 11.25 gbps rz output eye diagram 11.25 gbps rz output eye diagram measurements current units jitter rms 1.93 ps bit rate 11.2 gb/s time scale: 40.0 ps/div amplitude scale: 1.22 v/div vdd = 3.3v, vin: 11.25gbps rz prbs 2 31 -1, 0.3v p-p, vout: 2.9vp-p vctl = 1v measurements current min max units duty cycle 51.5 50.4 57.1 % snr 20.85 13.35 20.96 v/v jitter rms 1.753 1.689 1.795 ps eye amplitude 2.85 2.37 2.86 v time scale: 30.0 ps/div amplitude scale: 647 mv/div vdd = 5v, vin: 11.25gbps rz prbs 2 31 -1, 1.2v p-p, vout: 6vp-p vctl = 1v
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 hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz pin number function description interface schematic 1, 3, 4, 7 - 12, 14, 17 - 19, 22 - 28, 31, 32 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 vctl output voltage swing adjustment. +1v should be applied to vctl for nominal operation. 5 rfin this pin is dc coupled and matched to 50 ohms. 6, 20 gnd rf/dc ground. these pins and the package base must be connected to rf/dc ground. pin descriptions 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.
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 hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz application circuit note 1: drain bias (vdd) must be applied through a broadband bias tee or external bias network. pin number function description interface schematic 13 vgg gate control for amplifer. 15 acg4 low frequency termination. attach bypass capacitor per application circuit herein. 16 acg3 21 rfout & vdd rf output for amplifer. connect the dc bias (vdd) network to provide drain current (idd). see application circuit herein. 29 acg2 low frequency termination. attach bypass capacitor per application circuit herein. 30 acg1 pin descriptions (continued)
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 - 11 hmc870lc5 v04.1010 mz 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 108347 [1] item description j1 - j2 pcb mount sma connector j3 - j4 2mm molex header c1, c2 100 pf capacitor, 0402 pkg. c3 - c6 1000 pf capacitor, 0603 pkg. c7 - c9 4.7 f capacitor, tantalum u1 hmc870lc5, modulator driver pcb [2] 109765 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 - 12 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 8vp-p output voltage swing, a 1.2vp-p ac-coupled input voltage swing is required. 1. ground the device 2. set vgg to -2v (no drain current) 3. set vctl to +1v (no drain current) 4. set vdd to +5v (no drain current) 5. adjust vgg for idd = 140ma ? 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. ? vdd may be increased to +7v if required to achieve greater output voltage swing. ? vctl may be adjusted between +2v and +0v to vary the output voltage swing. 1. reverse the sequence identifed above in steps 1 through 4. hmc870lc5 v04.1010 mz optical modulator driver, dc - 20 ghz

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