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11/2004 aps3604 active splitter for catv set-top boxes preliminary data sheet - rev 1.0 s29 package 28 pin qfn 5 mm x 5 mm x 1 mm features ? single input, triple output design - three video tuner outputs ? wideband operation: to above 1 ghz ? 5 db typical noise figure at 5 db gain ? wide dynamic range agc control, independent for each tuner path ? high linearity, low distortion ? single +5 v supply ? balanced 75 ohm inputs/outputs ? rohs compliant/lead free applications ? catv set-top boxes with multiple tuners product description this active splitter from anadigics accepts a balanced rf input in the 50 mhz to 1.1 ghz frequency range and provides three balanced rf outputs with minimal degradation in signal quality. the single- package surface mount device amplifies the input signals using highly linear, low noise amplification stages, and couples the amplified signal to three separate output paths to drive video tuner inputs. each of the output paths includes independent automatic gain control (agc). the overall linearity figure 1: functional block diagram of each tuner path is maintained across a wide agc range, ensuring low distortion effects on each output signal. requiring only a single +5 volt supply, the active splitter design is implemented using the anadigics gaas mesfet process. the surface mount packaging makes the device ideal for use in today?s multiple-tuner set-top boxes for cable tv. vid1 out- vid1 out+ vid2 out- vid2 out+ vid3 out- vid3 out+ rf in- rf in+ agc vid1 agc vid2 agc vid3
2 preliminary data sheet - rev 1.0 11/2004 aps3604 v cc agc vid1 rf in+ 1 vid2 out- gnd 6 5 4 3 2 7 28 22 23 24 25 26 27 8 14 13 12 11 10 9 21 16 17 18 19 20 15 rf in- gnd gnd vid2 out+ gnd gnd gnd vid1 out- vid1 out+ gnd gnd gnd agc vid2 agc v id 3 out+ out- gnd gnd gnd gnd gnd gnd gnd vid3 vid3 n i p e m a n n o i t p i r c s e d n i p e m a n n o i t p i r c s e d 1v c c e g a t l o v y l p p u s8 2d n gd n u o r g 2d n gd n u o r g7 2d n gd n u o r g 3f r + n i ) + ( t u p n i f r6 2d n gd n u o r g 4d n gd n u o r g5 2d n gd n u o r g 5f r - n i ) - ( t u p n i f r4 2d n gd n u o r g 6d n gd n u o r g3 2d n gd n u o r g 7c g a 1 d i v t u p n i l o r t n o c c g a 1 o e d i v2 2d n gd n u o r g 8c g a 2 d i v t u p n i l o r t n o c c g a 2 o e d i v1 21 d i v + t u o ) + ( t u p t u o 1 o e d i v 9c g a 3 d i v t u p n i l o r t n o c c g a 3 o e d i v0 2d n gd n u o r g 0 1d n gd n u o r g9 11 d i v - t u o ) - ( t u p t u o 1 o e d i v 1 13 d i v + t u o ) + ( t u p t u o h t a p a t a d8 1d n gd n u o r g 2 1d n gd n u o r g7 12 d i v + t u o ) + ( t u p t u o 2 o e d i v 3 13 d i v - t u o ) - ( t u p t u o h t a p a t a d6 1d n gd n u o r g 4 1d n gd n u o r g5 12 d i v - t u o ) - ( t u p t u o 2 o e d i v table 1: pin description figure 2: pinout (x-ray top v iew)
preliminary data sheet - rev 1.0 11/2004 aps3604 3 electrical characteristics table 2: absolute minimum and maximum ratings stresses in excess of the absolute ratings may cause permanent damage. functional operation is not implied under these conditions. exposure to absolute ratings for extended periods of time may adversely affect reliability. table 3: operating ranges the device may be operated safely over these conditions; however, parametric performance is guaranteed only over the conditions defined in the electrical specifications. r e t e m a r a p n i m x a m t i n u s t n e m m o c v ( e g a t l o v y l p p u s c c )08 +v v ( e g a t l o v t u p n i c g a c g a )05 +v p ( r e w o p t u p n i f r n i )-5 2 +v m b d5 7 o t n i l a i t n e r e f f i d ? r e t e m a r a p n i m p y t x a m t i n u s t n e m m o c ) f ( y c n e u q e r f g n i t a r e p o0 5- 0 0 1 1 z h m v ( e g a t l o v y l p p u s c c )-5 +-v v ( e g a t l o v t u p n i c g a c g a )3 . 0 +- 0 . 3 +v v 3 + t a n i a g . x a m p ( r e w o p t u p n i f r n i )5 1 --5 1 +v m b d5 7 o t n i l a i t n e r e f f i d t ( e r u t a r e p m e t e s a c c )0 2 --5 8 +c
4 preliminary data sheet - rev 1.0 11/2004 aps3604 table 4: dc electrical specifications (t c = +25 c, v cc = +5 v, 75 ? ? ? ? ? system) notes: (1) 132 channels, +6 dbmv flat output, up to +15 dbmv flat input r e t e m a r a p n i m p y t x a m t i n u s t n e m m o c n o i t p m u s n o c t n e r r u c-5 7 1- a m y l p p u s v 5 + m o r f t n e r r u c e g a k a e l t u p n i c g a-0 5- a t u p n i c g a h c a e table 5: video tuner path ac electrical specifications (t c = +25 c, v cc = +5 v, 75 ? ? ? ? ? system) r e t e m a r a p n i m p y t x a m t i n u s t n e m m o c c g a m u m i x a m t a n i a g5 . 45- b d c g a m u m i n i m t a n i a g-3 2 --b d e r u g i f e s i o n-8 . 46b dn i a g m u m i x a m t a b t c ) 1 ( -0 7 -6 6 -c b d o s c ) 1 ( -0 7 -6 6 -c b d d o m x ) 1 ( -7 6 -- c b d y n a d n a t u p t u o n e e w t e b n o i t a l o s i t r o p t u p t u o r e h t o -0 3- b d t u p t u o d n a t u p n i n e e w t e b n o i t a l o s i-0 3- b d s s o l n r u t e r t u p n i-8 -- b d5 7 t u p n i l a i t n e r e f f i d e c n a d e p m i t u p t u o-5 7- l a i t n e r e f f i d
preliminary data sheet - rev 1.0 11/2004 aps3604 5 performance data figure 3: gain vs. frequency (t a = +25 o c, v cc = + 5 v) figure 4: input return loss vs. frequency (t a = +25 o c, v cc = + 5 v) figure 5: output return loss vs. frequency (t a = +25 o c, v cc = + 5 v) figure 6: reverse isolation vs. frequency (t a = +25 o c, v cc = + 5 v) -25 -20 -15 -10 -5 0 5 10 0 100 200 300 400 500 600 700 800 900 1000 1100 frequency (mhz) s21: gain (db) +3.0 v +2.0 v +1.8 v +1.6 v +1.4 v +1.2 v +1.0 v 0 v v agc : -25 -20 -15 -10 -5 0 100 200 300 400 500 600 700 800 900 1000 1100 frequency (mhz) s11: input return loss (db) vagc = +3.0 v vagc = +2.0 v vagc = +1.8 v vagc = +1.4 v vagc = +1.0 v va g = 0 v -35 -30 -25 -20 -15 -10 -5 0 0 100 200 300 400 500 600 700 800 900 1000 1100 frequency (mhz) s22: output return loss (db) vagc = +3.0 v vagc = +2.0 v vagc = +1.4 v vagc = +1.0 v va g c = 0 v -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 0 100 200 300 400 500 600 700 800 900 1000 1100 frequency (mhz) s12: reverse isolation (db) vagc = +3.0 v vagc = +2.0 v vagc = +1.4 v vagc = +1.0 v va g c = 0 v
6 preliminary data sheet - rev 1.0 11/2004 aps3604 figure 10: gain vs. agc voltage (t a = +25 o c, v cc = + 5 v) figure 9: output port-to-port isolation vs. frequency (t a = +25 o c, v cc = + 5 v, p out = +6 dbmv) figure 8: ctb vs. input power (t a = +25 o c, v cc = + 5 v, p out = +6 dbmv, 135 channel flat input) figure 7: cso vs. input power (t a = +25 o c, v cc = + 5 v, p out = +6 dbmv, 135 channel flat input) -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 5 10152025 input power (dbmv) cso (dbc) 77 mhz 445 mhz 865 mhz -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 5 10152025 input power (dbmv) ctb (dbc) 77 mhz 445 mhz 865 mhz -90 -80 -70 -60 -50 -40 -30 -20 0 500 1000 1500 2000 2500 3000 frequency (mhz) isolation (db) vagc = +3 v va g c = 0 v -25 -20 -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 agc voltage (v) gain (db) 52 mhz 502 mhz 997 mhz
preliminary data sheet - rev 1.0 11/2004 aps3604 7 application information figure 11: application circuit note: optional resistor across input pins may be used to tune input return loss. 2 16 15 121 20 19 18 17 7 6 5 4 3 v cc agc vid1 gnd rf in- gnd rf in+ gnd gnd agc vid2 vid1 out+ (75 ohms) agc vid1 rf input +5 v 0.01uf agc vid3 8 9 10 14 13 12 11 26 22 23 24 25 28 27 gnd gnd gnd vid1 out- vid2 out- vid2 out+ gnd gnd gnd vid3 out+ vid3 out- 0.01uf agc vid3 agc vid2 470nh 470nh 470nh 470nh 150 470nh 470nh gnd gnd gnd 0.01uf 0.01uf 0.01uf 0.01uf 82pf 82pf video 2 ouput (75 ohms) 82pf 82pf video 3 output (75 ohms) 82pf 82pf video 1 ouput (75 ohms) +5 v +5 v +5 v 0.01uf 0.01uf 0.01uf gnd gnd gnd see note 150 150
8 preliminary data sheet - rev 1.0 11/2004 aps3604 package outline figure 12: s29 package outline - 28 pin 5 mm x 5 mm x 1 mm qfn
preliminary data sheet - rev 1.0 11/2004 aps3604 9 notes
10 preliminary data sheet - rev 1.0 11/2004 aps3604 notes
preliminary data sheet - rev 1.0 11/2004 aps3604 11 notes
warning anadigics products are not intended for use in life support appliances, devices or systems. use of an anadigics product in any such application without written consent is prohibited. important notice anadigics, inc. 141 mount bethel road warren, new jersey 07059, u.s.a. tel: +1 (908) 668-5000 fax: +1 (908) 668-5132 url: http://www.anadigics.com e-mail: mktg@anadigics.com anadigics, inc. reserves the right to make changes to its products or to discontinue any product at any time without notice. the product specifications contained in advanced product information sheets and preliminary data sheets are subject to change prior to a product?s formal introduction. information in data sheets have been carefully checked and are assumed to be reliable; however, anadigics assumes no responsibilities for inaccuracies. anadigics strongly urges customers to verify that the information they are using is current before placing orders. preliminary data sheet - rev 1.0 11/2004 12 aps3604 ordering information r e b m u n r e d r o e r u t a r e p m e t e g n a r e g a k c a p n o i t p i r c s e d g n i g a k c a p t n e n o p m o c 8 p 9 2 s r 4 0 6 3 s p a0 2 - o 5 8 + o t c o c n i p 8 2 s h o r m m 1 x m m 5 x m m 5 e g a k c a p n f q l e e r r e p s e c e i p 0 0 5 2 , l e e r d n a e p a t

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