gennum corporation p.o. box 489, stn a, burlington ontario, canada l7r 3y3 tel. +1 (905) 632-2996 web site: www.gennum.com e-mail: hipinfo@gennum.com features ? low & high frequency gain adjustment adjustable high frequency compression ratio (1:1 to 4:1) fixed low frequency compression ratio (3:1) twin average detection? 24db/octave band split filter 8:1 output compression limiting notch filter to minimize acoustic feedback pre & post emphasis circuitry low level squelch control (1:2 expansion) multi memory (4) 8 programmable parameters thinstax? packaging hybrid typical dimensions: 0.200 x 0.128 x 0.060in. (5.08 x 3.25 x 1.52mm) description the GA3203 programmable hybrid is composed of a dynameq ? iii wide dynamic range compression signal processor and the gp523 controller memory chip. the hybrid has 8 programmable parameters including low frequency gain, high frequency gain, high frequency compression ratio, band split filter crossover frequency, agc-i threshold kneepoint, agc-o threshold, volume control and notch feedback control. the dynameq ? iii includes a squelch circuit which attenuates microphone and circuit noise in quiet environments and high gain conditions. it also includes low distortion compression limiting agc-o, pre and post emphasis circuitry, and an acoustic feedback notch filter. the GA3203 hybrid code programmed into the gp523 is ?4?. preliminary data sheet GA3203 programmable dynameq ? iii block diagram revision date: december 2000 document no. 522 - 13 - 02 GA3203 in gnd ms c3 c1 c19 c20 1 fast detector control rectifier regulator 5 c6 3 gp523 2 compressor r2 c13 GA3203 7 c18 c2 8 b in b out rectifier 9 c17 c21 45k5 80n 80n 8n 20n 150n 20n 100n 10n 100n 8n squelch detector sda 10 c4 15n r5 92k 1 x 1 x r6 185k r8 92k r3 185k notch agc-o r7 460k sw c15 4n c14 100n rsquelch ragc r1 24 db / oct band split filter lp hp 64k out 6 c16 30n r4 184k 18k i ref r9 - a - b - c 4 v reg gnd slow detector compressor v b all resistors in ohms, all capacitors in farads, unless otherwise stated. v ref
2 522 - 13 - 02 GA3203 absolute maximum ratings parameter value pad connection electrical characteristics conditions: supply voltage v b = 1.3vdc, frequency = 3khz, temperature = 25 c the programmable parameters are adjusted to the following set values unless otherwise specified: (fc) r1 - tap 15; (th) r2 - tap 15; (g hi ) r3 - tap 0; (cr hi ) r4 - tap 15; (mpo) r5 - tap 4; (g lo ) r6 - tap 15; (notch) r7 - tap 24; (vc) r8 - tap 23; (squelch) sw - closed (0). supply voltage 2vdc power dissipation 25mw operating temperature range -10 c to 40 c storage temperature range -20 c to 70 c caution electrostatic sensitive devices do not open packages or handle except at a static free workstation note 1: measured at output of stage b 2 5 6 7 8 9 10 1 4 3 v reg in gnd gnd ms out v b b in b out sda r e t e m a r a pl o b m y ss n o i t i d n o cn i mp y tx a ms t i n u e c n a m r o f r e p m e t s y s t n e r r u c r e i f i l p m a d i r b y h i p m a v n i , 0 p a t - 6 r , v 0 = ) d e l b a n e h c l e u q s ( n e p o - w s 5 1 30 6 65 4 9a e g a t l o v m u m i n i mb v1 . 1--v e g a t l o v r o t a l u g e rv g e r v n i , 0 p a t - 6 r , v 0 = i g e r a 0 3 =0 9 80 4 90 0 0 1v m n o i t c e j e r y l p p u s r o t a l u g e rr r s p-0 5- o i t a r y c n e u q e r f h g i h n i a g m e t s y sa h g i h v v n i v b d 5 9 - =8 41 54 5b d y c n e u q e r f w o l n i a g m e t s y sa w o l v v n i , 0 p a t - 1 r , z h k 1 @ v b d 5 9 - = 0 p a t - 6 r , 0 p a t - 4 r , 5 1 p a t - 3 r 3 46 49 4b d e s i o n d e r r e f e r t u p n in r i-0 . 3-v n o i t r o t s i d c i n o m r a h l a t o td h tv n i 0 p a t - 6 r , 0 p a t - 1 r , z h k 1 @ v b d 0 4 - =-5 . 01% t u p n i e l b a w o l l a m u m i x a m h t i w d h td h t x a m v n i 0 p a t - 6 r , 0 p a t - 1 r , z h k 1 @ v b d 3 2 - =-15% ) 1 e t o n ( i - c g a t n i o p e e n k n o i s s e r p m o c m u m i n i mk t w o l 3 9 -9 8 -5 8 -v b d t n i o p e e n k n o i s s e r p m o c m u m i x a mk t i h 0 p a t - 2 r4 5 -0 5 -6 4 -v b d e m i t k c a t t a i - c g a i - t t a v n i ) e u l a v l a n i f m o r f b d 4 ( , v b d 0 4 - o t 5 6 - = 0 p a t - 1 r , z h k 2 = ? 48 2 1s m e m i t e s a e l e r i - c g a i - l e r v n i ) e u l a v l a n i f m o r f b d 2 ( , v b d 5 6 - o t 0 4 - = 0 p a t - 1 r , z h k 2 = ? 0 0 30 5 40 0 6s m ) 1 e t o n ( s s a p h g i h o i t a r n o i s s e r p m o c s s a p h g i h . x a mp h x a m r c v n i v b d 0 6 - o t 0 8 - =7 . 32 . 47 . 4o i t a r o i t a r n o i s s e r p m o c s s a p h g i h . n i mp h n i m r c v n i 0 p a t - 4 r , v b d 0 6 - o t 0 8 - =8 . 012 . 1o i t a r d l o h s e r h t r e p p u m u m i x a mp h x a m u 5 3 -1 3 -7 2 -v b d e g n a r l o r t n o c n i a g s s a p h g i hp h e g n a r v n i 5 1 p a t o t 0 p a t - 3 r , v b d 5 9 - =1 45 49 4b d z h k 1 = ? , 0 p a t - 6 r , 0 p a t - 4 r , 5 1 p a t - 3 r , 0 p a t - 1 r , 1 e t o n ( s s a p w o l o i t a r n o i s s e r p m o c s s a p w o lp l r c v n i 5 1 p a t - 6 r , v b d 0 6 - o t 0 8 - =5 . 235 . 3o i t a r d l o h s e r h t r e p p u m u m i x a mp l x a m u 2 3 -8 2 -4 2 -v b d e g n a r l o r t n o c n i a g s s a p w o lp l e g n a r v n i 5 1 p a t o t 0 p a t - 6 r , v b d 5 9 - =6 30 44 4b d
3 522 - 13 - 02 GA3203 electrical characteristics (continued) conditions: supply voltage v b = 1.3vdc, frequency = 3khz, temperature = 25 c the programmable parameters are adjusted to the following set values unless otherwise specified: (fc) r1 - tap 15; (th) r2 - tap 15; (g hi ) r3 - tap 0; (cr hi ) r4 - tap 15; (mpo) r5 - tap 4; (g lo ) r6 - tap 15; (notch) r7 - tap 24; (vc) r8 - tap 23; (squelch) sw - closed (0). note 1: measured at output of stage b support software all support software for the GA3203 and the gp523 is available from gennum ? s website: www.gennum.com/hip/software r e t e m a r a pl o b m y ss n o i t i d n o cn i mp y tx a ms t i n u ) 5 1 p a t - 6 r , 0 p a t - 4 r , 5 1 p a t - 3 r ( o - c g a o i t a r n o i s s e r p m o cr c o - c g a v n i 5 1 p a t - 5 r , v b d 5 2 - o t 0 4 - =7 . 67 . 77 . 8o i t a r d l o h s e r h t m u m i x a mh t x a m 4 3 -1 3 -8 2 -v b d d l o h s e r h t m u m i n i mh t n i m 5 1 p a t - 5 r0 5 -7 4 -4 4 -v b d e g n a r d l o h s e r h t ? h t 2 15 18 1b d e m i t k c a t t a o - t t a v n i ) e u l a v l a n i f m o r f b d 2 ( v b d 5 2 - o t 0 5 - = 0 p a t - 1 r , 5 1 p a t - 5 r , z h k 2 = ? 2 18 14 2s m e m i t e s a e l e r o - l e r v n i ) e u l a v l a n i f m o r f b d 2 ( v b d 0 5 - o t 5 2 - = 0 p a t - 1 r , 5 1 p a t - 5 r , z h k 2 = ? 0 85 3 10 0 2s m h c l e u q s o i t a r n o i s n a p x e h c l e u q sq s p x e v n i 8 p a t - 2 r , n e p o - w s , v b d 2 9 - o t 5 9 - =8 . 12 . 20 . 3o i t a r d l o h s e r h t h c l e u q sq s h t 8 p a t - 2 r , n e p o - w s3 9 -9 8 -5 8 -v b d s i s a h p m e t s o p d n a e r p y c n e u q e r f r e n r o c t u c w o l ) s i s a h p m e - e r p ( e r p b d 3 -1- z h k y c n e u q e r f r e n r o c t s o o b w o l ) s i s a h p m e - t s o p ( t s o p b d 3 -1- z h k r e t l i f e l b a i r a v e t a t s y c n e u q e r f r e v o s s o r c m u m i n i mc f n i m 5 1 p a t - 1 r-9 . 04 . 1z h k y c n e u q e r f r e v o s s o r c m u m i x a mc f x a m 0 p a t - 1 r39 . 3- z h k y c n e u q e r f r e v o s s o r c l a n i m o nc f m o n 8 p a t - 1 r3 . 17 . 11 . 2z h k r e t l i f h c t o n y c n e u q e r f h c t o n m u m i n i mn f n i m 3 2 p a t - 7 r-2 . 28 . 2z h k y c n e u q e r f h c t o n m u m i x a mn f x a m 0 p a t - 7 r55 . 7- z h k y c n e u q e r f h c t o n l a n i m o nn f m o n 8 1 p a t - 7 r5 . 13 . 21 . 3z h k h t d i w d n a b h c t o nn f w b 3 2 p a t - 7 r3 . 06 . 09 . 0z h k n o i t a u n e t t a h c t o nn f n t t a 3 2 p a t - 7 r72 17 1b d
4 522 - 13 - 02 GA3203 fig. 1 test circuit fig. 2 typical application circuit c3 c1 c19 c20 1 fast detector control rectifier regulator 5 c6 3 gp523 2 compressor r2 c13 GA3203 7 c18 c2 8 rectifier 9 c17 c21 45k5 80n 80n 8n 20n 150n 20n 100n 10n 100n 8n squelch detector 10 c4 15n r5 92k 1 x 1 x r6 185k r8 92k r3 185k notch agc-o r7 460k sw c15 4n c14 100n rsquelch ragc r1 24 db / oct band split filter lp hp 64k 6 c16 30n r4 184k 18k i ref r9 - a - b - c 4 slow detector compressor v b 50k 3k9 all resistors in ohms, all capacitors in farads, unless otherwise stated. c3 c1 c19 c20 1 fast detector control rectifier regulator 5 c6 3 gp523 2 compressor r2 c13 GA3203 7 c18 c2 8 rectifier 9 c17 c21 45k5 80n 80n 8n 20n 150n 20n 100n 10n 100n 8n squelch detector 10 c4 15n r5 92k 1 x 1 x r6 185k r8 92k r3 185k notch agc-o r7 460k sw c15 4n c14 100n rsquelch ragc r1 24 db / oct band split filter lp hp 64k 6 c16 30n r4 184k 18k i ref r9 - a - b - c 4 slow detector compressor v b v b 22 ** all resistors in ohms, all capacitors in farads, unless otherwise stated. * *any knowles or microtronic microphone **any knowles class d integrated receiver
5 522 - 13 - 02 GA3203 fig. 3 characterization circuit (used to generate typical curves) table of defaults r1 - tap 15 r2 - tap 15 r3 - tap 0 r4 - tap 15 sw - closed r5 - tap 4 r6 - tap 0 r7 - tap 24 r8 - tap 23 fig. 4 typical assembly diagram c3 c1 c19 c20 1 fast detector control rectifier regulator 5 c6 3 gp523 2 compressor r2 c13 GA3203 7 c18 c2 8 rectifier 9 c17 c21 45k5 80n 80n 8n 20n 150n 20n 100n 10n 100n 8n squelch detector 10 c4 15n r5 92k 1 x 1 x r6 185k r8 92k r3 185k notch agc-o r7 460k sw c15 4n c14 100n rsquelch ragc r1 24 db / oct band split filter lp hp 64k 6 c16 30n r4 184k 18k i ref r9 - a - b - c 4 slow detector compressor v b = 1.3v 50k 3k9 to programmer all resistors in ohms, all capacitors in farads, unless otherwise stated. to programmer memory select 1 2 3 4 5 6 7 8 9 10 vreg in gnd gnd ms sda b out b in vb out battery + _ + microphone 22 + receiver
6 522 - 13 - 02 GA3203 typical performance curves -100 -90 -80 -70 -60 -50 -40 -30 -20 -80 -70 -60 -50 -40 -30 -20 output (dbv) input (dbv) r3 - tap 15 r3 - tap 0 ? = 3khz r6 - tap 15 -100 -90 -80 -70 -60 -50 -40 -30 -20 -80 -70 -60 -50 -40 -30 -20 output (dbv) input (dbv) r6 - tap 0 ? = 1khz r1 - tap 0 r3 - tap 15 r4 - tap 0 r6 - tap 15 -100 -90 -80 -70 -60 -50 -40 -30 -20 -80 -70 -60 -50 -40 -30 -20 output (dbv) input (dbv) r4 - tap 15 r4 - tap 0 ? = 3khz r3 - tap 4 r6 - tap 15 -100 -90 -80 -70 -60 -50 -40 -30 -20 -80 -70 -60 -50 -40 -30 -20 output (dbv) input (dbv) r2 - tap 15 r2 - tap 0 ? = 3khz r3 - tap 4 r6 - tap 15 fig. 5 high frequency gain control (tap 0 - 185k ? , tap 15 - 0k ? ) fig. 6 low frequency gain control (tap 0 - 185k ? , tap 15 - 0k ? ) fig. 7 high frequency compression ratio control (tap 0 - 0k ? , tap 15 - 184k ? ) fig. 8 agc-i threshold control (tap 0 - 0k ? , tap 15 - 45.5k ? ) fig. 9 a gc-o threshold control (tap 0 - 7.3k ? , tap 15 - 92k ? ) fig. 10 system volume control (tap 0 - 0k ? , tap 23 - 92k ? ) -100 -90 -80 -70 -60 -50 -40 -30 -20 -90 -80 -70 -60 -50 -40 -30 -20 r8 - tap 0 output (dbv) input (dbv) r8 - tap 23 ? = 3khz -55 -50 -45 -40 -35 -30 -25 -20 -50 -40 -30 -20 output (dbv) input (dbv) r5 - tap 15 r5 - tap 0 ? = 3khz r3 - tap 15 r4 - tap 0 r6 - tap 15
7 522 - 13 - 02 GA3203 fig. 12 svf crossover frequency - low pass (tap 0 - 0k ? , tap 15 - 64k ? ) fig. 13 svf crossover frequency - high pass (tap 0 - 0k ? , tap 15 - 64k ? ) fig. 14 notch frequency control (tap 0 - 0k ? , tap 15 - 460k ? ) fig. 15 thd and noise vs. frequency fig. 16 thd and noise vs. input level 0 5 10 15 20 25 30 35 40 45 20 20k 100 1k 10k gain (db) frequency (hz) r1 - tap 15 r1 - tap 0 v in = -70dbv r3 - tap 15 r6 - tap 0 0 5 10 15 20 25 30 35 40 45 20 20k 100 1k 10k gain (db) frequency (hz) r1 - tap 15 r1 - tap 0 v in = -70dbv r3 - tap 0 r6 - tap 15 100 1k 10k 30 35 40 45 50 gain (db) frequency (hz) r7 - tap 23 r7 - tap 0 20k v in = -70dbv r3 - tap 0 r6 - tap 0 frequency (hz) 1 10 thd & noise (%) 0.1 100 1k 10k v in = -40dbv thd & noise (%) input level (dbv) 10 1 0.1 -80 -70 -60 -50 -40 -30 -20 ? = 1khz -30 -35 -40 -45 -50 -55 -60 -65 -70 -75 -80 output (dbv) input (dbv) -110 -105 -100 -95 -90 -85 -80 -75 -70 squelch off sw - closed squelch on sw - open ? = 3khz r6 - tap 15 fig.11 low level squelch control
8 522 - 13 - 02 GA3203 fig. 18 intermodulation distortion (ccif) vs. input level fig. 19 frequency response for different input levels fig. 20 frequency response for different external volume control resistor values fig. 17 intermodulation distortion (ccif) vs. frequency imd (%) frequency (hz) 0.1 0.01 3k 10k 100k v in = -40dbv ? = 200hz imd (%) input level (dbv) -80 -70 -60 -50 -40 -30 -20 0.1 0.01 ? = 4khz ? = 200hz 20 20k 55 50 45 40 35 30 25 20 15 10 5 0 gain (dbv) frequency (hz) 100 1k 10k v in = -80dbv v in = -90dbv v in = -70dbv v in = -60dbv v in = -50dbv v in = -40dbv v in = -30dbv 20k 20 55 50 45 40 35 30 25 20 15 10 5 0 gain (dbv) frequency (hz) 100 1k 10k v in = -70dbv r8 - tap 24 r vc = 100k ? r vc = 50k ? r vc = 25k ? r vc = 10k ?
9 522 - 13 - 02 GA3203 package dimensions GA3203 xxxxxx 1 2345 6 7 8 9 10 0.200 (5.08) 0.128 (3.25) 0.065 max (1.65) 0.0215 (0.546) 0.0285 (0.724) dimensions are in inches. dimensions in parenthesis are in millimetres converted from inches and include minor rounding errors. 1.0000 inches = 25.400mm dimension tolerances: 0.003 (0.08) unless otherwise stated. minimum pad sizes: 0.0290 x 0.0400 (0.737 x 1.016). xxxxxx: work order number. this hybrid is designed for either point-to-point soldering or reflow according to gennum ? s recommended reflow process (information note 521-45). pad locations document identification preliminary data sheet the product is in pre-production phase and specifications are subject to change without notice. revision notes : error correction. for latest product information, visit www.gennum.com gennum corporation mailing address: p.o. box 489, stn a, burlington ontario, canada l7r 3y3 tel. +1 (905) 632-2996 fax: +1 (905) 632-2814 shipping address: 970 fraser drive, burlington, ontario, canada l7l 5p5 gennum japan corporation c-101, miyamae village, 2-10-42 miyamae, suginami-ku, tokyo 168-0081, japan tel. +81 (3) 3334-7700 fax: +81 (3) 3247-8839 gennum corporation assumes no responsibility for the use of any circuits described herein and makes no representations that the y are free from patent infringement. ?copyright october 1999 gennum corporation. all rights reserved. printed in canada pa d no. pad position xy pad dimension xdim ydim mm mil 1 2 3 4 5 6 7 8 9 10 0 1.003 1.994 2.972 3.975 3.975 2.972 1.994 1.003 0 0 -0.102 -0.102 -0.102 -0.102 -1.715 -1.715 -1.715 -1.715 -1.816 0.737 0.762 0.711 0.737 0.762 0.762 0.737 0.711 0.762 0.737 1.041 1.245 1.245 1.245 1.245 1.219 1.219 1.219 1.219 1.016 1 2 3 4 5 6 7 8 9 10 0 39.5 78.5 117.0 156.5 156.5 117.0 78.5 39.5 0 0 -4.0 -4.0 -4.0 -4.0 -67.5 -67.5 -67.5 -67.5 -71.5 29.0 30.0 28.0 29.0 30.0 30.0 29.0 28.0 30.0 29.0 41.0 49.0 49.0 49.0 49.0 48.0 48.0 48.0 48.0 40.0
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