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  for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 96 the HMC662LP3E logarithmic detector converts rf signals at its input, to a proportional dc voltage at its output. the HMC662LP3E employs successive compression topology which delivers high dynamic range over a wide input frequency range. as the input power is increased, successive ampli ers move into saturation one by one creating an approximation of the logarithm function. the output of a series of square law detectors is summed, converted into the voltage domain and buffered to drive the log out output. the HMC662LP3E provides a nominal logarithmic slope of +13 mv/db and an intercept of -127 dbm at 18 ghz. ideal as a log detector for high volume micro- wave radio and vsat applications, the HMC662LP3E is housed in a compact 3x3 mm rohs compliant smt plastic package. general description HMC662LP3E features functional diagram wide input bandwidth: 8 to 30 ghz wide dynamic range: >54 db up to 28 ghz single positive supply: +3.3v excellent stability over temperature fast rise/fall time: 5ns / 10ns 16 lead 3x3mm smt package: 9mm2 typical applications the HMC662LP3E is ideal for: point-to-point microwave radio ? vsat ? wideband power monitoring ? receiver signal strength indication (rssi) ? test & measurement ? electrical speci cations, t a = +25 c vcc1 = vcc2 = +3.3v parameter typ. typ. typ. typ. typ. units input frequency 10 14 18 22 28 ghz 3 db dynamic range 59 60 63 64 54 db 3 db dynamic range center -23 -24 -24 -25 -17 dbm log error over temperature (-40 to +85) 1 1 1 2 3 db output intercept -120 -125 -127 -130 -113 dbm output slope 14.6 13.7 13.3 13.2 14 mv/db 54 db, logarithmic detector, 8 - 30 ghz v00.0309
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 97 electrical speci cations, (continued) parameter conditions min. typ. max. units logout interface output voltage range 0.9 1.8 v output rise time [1] / fall time [2] f = 10 ghz 5 / 10 ns power down (en) interface voltage range for normal mode 0.8 x vcc vcc v voltage range for powerdown mode 0 0.1 x vcc v power supply (vcc1, vcc2) operating voltage range 3.15 3.3 3.45 v supply current in normal mode 88 ma supply current in power down mode 3ma [1] 0 dbm input pulsed; measured from 10% to 90% [2] 0 dbm input pulsed; measured from 90% to 10% log out & error vs. input power, fin = 10 ghz log out & error vs. input power, fin = 8 ghz unless otherwise noted: vcc1, vcc2 = +3.3v, t a = +25c HMC662LP3E v00.0309 54 db, logarithmic detector, 8 - 30 ghz 0.5 1 1.5 2 -3 -2 -1 0 1 2 3 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm) 0.5 1 1.5 2 -3 -2 -1 0 1 2 3 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm) log out & error vs. input power, fin = 18 ghz log out & error vs. input power, fin = 14 ghz 0.5 1 1.5 2 -3 -2 -1 0 1 2 3 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm) 0.5 1 1.5 2 -3 -2 -1 0 1 2 3 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm)
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 98 log out & error vs. input power, fin = 20 ghz unless otherwise noted: vcc1, vcc2 = +3.3v, t a = +25c log out & error vs. input power, fin = 22 ghz log out & error vs. input power, fin = 24 ghz log out & error vs. input power, fin = 28 ghz log out & error vs. input power, fin = 30 ghz HMC662LP3E v00.0309 54 db, logarithmic detector, 8 - 30 ghz 0.5 1 1.5 2 -3 -2 -1 0 1 2 3 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm) 0.5 1 1.5 2 -3 -2 -1 0 1 2 3 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm) 0.6 1 1.4 1.8 2.2 -8 -4 0 4 8 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm) 0.6 1 1.4 1.8 2.2 -8 -4 0 4 8 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm) 0.6 1 1.4 1.8 2.2 -8 -4 0 4 8 -60 -50 -40 -30 -20 -10 0 10 err +25c err +85c err -40c ideal log out +25c log out +85c log out -40c log out (v) error (db) input power (dbm)
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 99 unless otherwise noted: vcc1, vcc2 = +3.3v, t a = +25c fall time @ 10 ghz @ 0 dbm input return loss log out vs. frequency HMC662LP3E v00.0309 54 db, logarithmic detector, 8 - 30 ghz rise time @ 10 ghz @ 0 dbm 0.8 1 1.2 1.4 1.6 1.8 0 20 40 60 80 100 time (ns) log out (v) 0.8 1 1.2 1.4 1.6 1.8 0 20 40 60 80 100 time (ns) log out (v) 0.8 1.1 1.4 1.7 2 -60 -50 -40 -30 -20 -10 0 10 10 ghz 14 ghz 18 ghz 24 ghz 28 ghz 30 ghz log out (v) input power (dbm) -30 -25 -20 -15 -10 -5 0 0 10203040 +25c +85c -40c frequency (ghz) return loss (db)
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 100 absolute maximum ratings electrostatic sensitive device observe handling precautions en +3.6v vcc1. vcc2 +3.6v rf input power +12 dbm junction temperature 125 c continuous pdiss (t = 85c) (derate 12.63 mw/c above 85c) 0.51w thermal resistance (r th ) (junction to ground paddle) 79.20 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c HMC662LP3E v00.0309 54 db, logarithmic detector, 8 - 30 ghz outline drawing part number package body material lead finish msl rating package marking [1] HMC662LP3E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] 662 xxx [1] 4-digit lot number xxxx [2] max peak re ow temperature of 260 c package information notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters]. 3. lead spacing tolerance is non-cumulative 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hmc application note for suggested pcb land pattern.
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 101 HMC662LP3E v00.0309 54 db, logarithmic detector, 8 - 30 ghz pin number function description interface schematic 1, 4, 5, 8, 9 n/c no connection necessary. these pins may be connected to rf/dc ground without affecting performance. 2 rfin rf input pin. 3 ac gnd external capacitor to ground is required. see application circuit. 6, 7 gnd these pins and the exposed package bottom must be connected to a high quality rf/dc ground. 10, 11 log fb, log out log out and feedback. these pins should be connected to each other through a 0 ohm resistor. see application circuit. 12 en enable pin connected to vcc1 or vcc2 for normal operation. total supply current reduced to less than 3ma when en is set to 0v. 13 vcc2 bias supply. connect supply voltage to this pin with appropriate ltering. pin descriptions
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 102 HMC662LP3E v00.0309 54 db, logarithmic detector, 8 - 30 ghz pin number function description interface schematic 14 - 16 vcc1 bias supply. connect supply voltage to these pins with appropriate ltering. pin descriptions (continued) application & evaluation pcb schematic note: c1 and c2 should be placed as close to the package as possible.
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com power detectors - smt 12 12 - 103 HMC662LP3E v00.0309 54 db, logarithmic detector, 8 - 30 ghz evaluation pcb the circuit board used in the nal application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be con- nected 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 circuit board shown is available from hittite upon request. list of materials for evaluation pcb 124133 [1] item description j1 k-type connector j2 sma connector j3 - j5 dc pin c1, c2 1 pf capacitor, 0201 pkg. c3, c4 10 nf capacitor, 0402 pkg. c5 47 pf capacitor, 0402 pkg. c6 4.7 f tantalum capacitor, case a pkg. r1 0 resistor, 0201 pkg. r3, r4 0 resistor, 0402 pkg. u1 HMC662LP3E log detector pcb [2] 124131 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 or arlon 25 fr


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