silicon bipolar mmic 1.5 ghz variable gain amplifier technical data iva-05208 features ? differential input and output capability ? dc to 1.5 ghz bandwidth; 2.0 gb/s data rates ? high gain: 30 db typical ? wide gain control range: 30 db typical ? 5 v bias ? 5 v v gc control voltage, i gc <3 ma ? fast gain control response: < 10 ns typical ? low cost plastic surface mount package description the iva-05208 is a variable gain amplifier housed in a miniature low cost plastic surface mount package. this device can be used in any combination of single- ended or differential inputs or outputs (see functional block diagram). the lowest frequency of operation is limited only by the values of user selected blocking and bypass capacitors. typical applications include variable gain amplification for fiber optic systems (e.g., sonet) with data rates up to 2.0 gb/s, mobile radio and satellite receivers, millimeter wave receiver if amplifiers and communication receivers. the iva series of variable gain amplifiers is fabricated using agilents 10 ghz f t , 25 ghz f max isosat?-i silicon bipolar process. this process uses nitride self-alignment, submicrometer lithography, trench isolation, ion implantation, gold metallization and polyimide inter-metal dielectric and scratch protection to achieve excellent performance, uniformity and reliability. so-8 package typical biasing configuration and functional block diagram c block c bypass c bypass c block v cc = 5 v v gc c block v ee = 0 v input 1 2 output output + 3 c block input 4 8 7 6 5 differential input / differential output single ended input / single ended output c block c bypass c bypass c block v cc = 5 v v gc c block v ee = 0 v input 1 2 output + 50 * 3 c bypass 4 8 7 6 5 * optional: for single-ended output operation, pin 7 may be left unterminated (no c block or 50 ) c bypass = 1000 pf typical good grounding of pins 2, 3 is critical for proper operation and good vswr performance of this part. pin 1
2 iva-05208 absolute maximum ratings absolute symbol parameter units maximum [1] v cc -v ee device voltage v 8 power dissipation [2,3] mw 600 input power dbm +14 v gc -v ee v7 t j junction temperature c 150 t stg storage temperature c -65 to 150 iva-05208 electrical specifications [1] , t a = 25 c symbol parameters and test conditions: [2] units min. typ. max. v cc = 5 v, v ee = 0 v, v gc = 0 v, z o = 50 w gp power gain (|s 21 | 2 ) f = 0.5 ghz db 25 30 d gp gain flatness f = 0.05 to 1.0 ghz db 0.8 f 3db 3 db bandwidth [3] ghz 1.2 1.8 gcr gain control range [4] f = 0.5 ghz db 25 30 v gc = 0 to 5 v iso reverse isolation (|s 21 | 2 ) f = 0.5 ghz db 45 v gc = 0 to 5 v input vswr f = 0.05 to 1.5 ghz 2.0:1 vswr v gc = 0 to 5 v output vswr f = 0.05 to 1.5 ghz 2.5:1 v gc = 0 to 5 v nf 50 w noise figure f = 0.5 ghz db 9 p 1db output power at 1 db gain f = 0.5 ghz dbm -3 compression v out peak-to-peak single-ended f = 0.5 ghz mvpp 450 output voltage ip 3 output third order intercept point f = 0.5 ghz dbm 7 t d group delay f = 0.5 ghz psec 400 i cc supply current ma 25 35 50 thermal resistance [2] : q jc = 150 c/w notes: 1. permanent damage may occur is any of these limits are exceeded. 2. t case = 25 c. 3. derate at 6.67 mw/ c for t c > 60 c. notes: 1. the recommended operating voltage range for this device is 4 to 6 v. typical performance as a function of voltage is on the following page. 2. as measured using input pin 1 and output pin 6, with output pin 7 terminated into 50 ohms and input pin 4 at ac ground. 3. referenced from 50 mhz gain. 4. the recommended gain control range for these devices for dynamic control is 0 to 4.2 v. operation at gain control settings a bove 4.2v may result in gain increase rather than gain decrease.
3 iva-05208 typical performance, t a = 25 c, v cc = 5 v, v ee = 0 v g p (db) 0.2 0.1 0.5 1.0 2.0 4.0 frequency (ghz) ?0 ?0 0 20 40 v cc (v) figure 2. power gain and p 1 db at 0.5 ghz and i cc vs. bias voltage with v gc = 0 v. figure 1. typical variable gain vs. frequency. ? ? ? ? 0 2 10 20 30 40 50 60 p 1 db (dbm) i cc (ma) 10 20 30 40 50 60 g p (db) 3 567 4 v gc < 2.4 v p 1 db 3.7 v 3.4 v 4.0 v 5.0 v i cc g p v gc (v) figure 3. power gain and p 1 db at 0.5 ghz and i gc vs. gain control voltage. ?0 0 20 10 ?0 30 40 0 1 2 3 4 6 5 p 1 db (dbm) i gc (ma) 0345 2 1 p 1 db g p i gc p 1 db (dbm) 0.2 0.01 0.5 1.0 2.0 4.0 frequency (ghz) ?5 ?0 ?5 ?0 ? 0 figure 4. p 1 db vs. frequency. g p = 30 db g p = 15 db g p = 5 db g p = ? db nf (db) 0.2 0.01 0.5 1.0 2.0 4.0 frequency (ghz) 5 15 25 35 figure 5. noise figure vs. frequency. g p = 10 db g p = 15 db g p = 20 db g p = 25 db g p = 30 db vswr 0.2 0.1 0.5 1.0 2.0 4.0 frequency (ghz) 1:1 2:1 3:1 figure 6. input and output vswr vs. frequency, v gc = 0 5 v. input v gc = 0 v v gc = 5 v output v gc = 0 v v gc = 5 v
so-8 package dimensions iva-05208 part number ordering information part number number of devices container IVA-05208-TR1 1,000 7" reel iva-05208-str 10 strip iva-05208 typical performance, continued, t a = 25 c, v cc = 5 v, v ee = 0 v t d (psec) 0.2 0.1 0.5 1.0 2.0 4.0 frequency (ghz) 300 500 700 figure 7. group delay vs. frequency. g p = ? db g p =30 db g p = 5 db temperature (c) figure 8. power gain and p 1 db at 0.5 ghz and i cc vs. case temperature with v gc = 0 v. ?.0 ?.8 ?.6 ?.4 ?.2 28 30 32 34 36 38 ?5 +25 +85 +125 ?5 p 1 db (dbm) 28 30 32 34 36 38 g p (db) i cc (ma) p 1 db i cc g p 5.84/6.20 (.230/.244) 3.80/4.00 (.1497/.1574) pin 1 1.27 (.050) 6x 4.72/5.00 (.186/.197) 0.10/0.25 (.004/.0098) 0.33/0.51 (.013/.020) 8x 1.35/1.75 (.0532/.0688) 0.19/0.25 (.0075/.0098) 0.41/1.27 (.016/.050) 0 /8 0.38 0.10 (.015 .004) x 45 0.10 (.004) note: 1. dimensions are shown in millimeters (inches). v052 www.semiconductor.agilent.com data subject to change. copyright ? 1999 agilent technologies obsoletes 200450 5965-9682e (11/99)
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