Performance evaluation of 5 um cut-off 2awaii-2RG detectors using the fast readout amplifiers

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ABSTRACT

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2. T2E GGC SLSTEM FOR 2IG2 SPEEI OPERATIOG 2.1 GGC hardware

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)5.'#(d#(3Q3$0a B23/#a efg hg `PTTYgP^

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Figure 1: GGC system block diagram

2.2 GGC AQ Module

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3. CRLOGEGIC PREAMPLIFICATIOG 3.1 ESO Standard Preamplifier

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Figure 2: ESO cryogenic Preamplifier schematic left and PCB implementation right

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3.2 Gew high speed cryogenic preamplifier

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Manufacturer Part Gumber

Slew Rate (U/us)

Jnity Gain Bandwidth (M2z)

Goise (nU/!2z) Comment

M#S;( &/(,$<=#/,( FMQ&QJ

M>XPPif `QY PQP g f B#$ B;9%;0#* eUDhj

MQ&Q CbGf`Kf ^KT PKT YQK f B#$ B;9%;0#* eKj

MQ&Q CbGf`KT PP `h K f B#$ B;9%;0#* eKj

MQ&Q CbGP`KY `YT fKT KQh P B#$ B;9%;0#* eKj

G/;430 "#'.9#( G"Gfhg^ ^iT PfT ^T P B#$ B;9%;0#* eKj

Figure 3: Comparison of op-amps for cryogenic operation

-$3= ,2# ,;:4# E# (## ,2;, ,2#$# .( ; $#;(3/;:4# (#4#9,.3/ 37 5#'.9#( ;';.4;:4# 7$3= M#S;( &/(,$<=#/,( E2.92 2;'# =<92 :#,,#$ B#$73$=;/9# B;$;=#,#$( ,2;/ ,2# M>XPPif E2.92 .( ,2# 5#'.9# <(#5 ./ ,2# (,;/5;$5 86C B$#;=B4.7.#$Q M3 #/(<$# ,2;, ,2#(# /#E 5#'.9#( E3<45 =##, ,2# $#V<.$#=#/,( 37 ; 9$@30#/.9 B$#;=B4.7.#$ ,2# 9.$9<., E;( =35#4#5 <(./0 M&WG ]K_* ;/ ./5<(,$@ (,;/5;$5 B;9%;0# 73$ 6b&X8 =35#4./0Q M2# $#(<4,( 37 ,2.( =35#4./0 ;$# (23E/ ./ -.0<$# f* ,30#,2#$ E.,2 ; =35#4 73$ ,2# (,;/5;$5 B$#;=B4.7.#$Q

-$3= ,2# GQXQ ,$;/(7#$ 92;$;9,#$.(,.9( FR35# B43,(J E# 9;/ (## ,2# =<92 .=B$3'#5 0;./ :;/5E.5,2 $#(B3/(# 37 ,2# CbGf`Kf 3BD;=B( 93=B;$#5 ,3 ,2# M>XPPif 5#'.9#(Q &, .( ;4(3 ./,<.,.'# ,3 433% ;, ,2# B2;(# $#(B3/(# E2#/ ,2# 0;./ .( [#$3Q M2.( 0.'#( ; 0335 ./5.9;,.3/ 37 ,2# (,;:.4.,@ 37 ,2# 9.$9<.,Q M2#3$#,.9;44@ E# ;$# 433%./0 73$ 4#(( ,2;/ ^hT 5#0$##( 37 B2;(# $#(B3/(# 73$ [#$3 0;./ ,3 #/(<$# 0335 (,;:.4.,@* ./ 7;9, E# E3<45 E;/, ,3 :# ;, `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

N3E#'#$ ,3 #/(<$# ,2;, ,2# ;9,<;4 B#$73$=;/9# 37 ,2# B$#D;=B4.7.#$ 9.$9<., 93=#( 943(# ,3 ,2# =35#4#5 B#$73$=;/9# ,2#/ 0335 2.02 7$#V<#/9@ 9.$9<., 5#(.0/ ;/5 bXR 4;@3<, .( ;4(3 $#V<.$#5 ,3 =./.=.[# (,$;@ 9;B;9.,;/9#Q CBD;=B 5;,; (2##,( ;$# <(<;44@ ; 0335 (,;$,./0 B3./, 73$ ,2.( :<, =3$# .=B3$,;/, .( ,3 E3$% E.,2 #SB#$.#/9#5 bXR 5#(.0/ ;/5 4;@3<, #/0./##$(Q

M2# 7./;4 B$#D;=B4.7.#$ 5#(.0/ (23<45 =./.=.[# 9;B;9.,;/9# ;, 3BD;=B ./B<,( ;( E#44 ;( <(./0 .=B#5;/9# =;,92#5 9;:4./0 ;, ,2# 3<,B<,(* ./94<5./0 ;/@ 74#S. $.0.5 bXR(Q -3$ 3<$ 4;:3$;,3$@ ,#(,./0 E# 2;'# /3, 53/# ; /#E 5#(.0/ :<, $;,2#$ 3/4@ =35.7.#5 ,2# :3;$5 ;4$#;5@ (23E/ ;:3'#Q M2.( :3;$5 .( /3, 3B,.=.[#5 73$ 2.02 (B##5 5#(.0/ :<, .( ; <(#7<4 (,;$,./0 B3./, ;/5 ;443E( #;(@ B#$73$=;/9# 93=B;$.(3/ E.,2 ,2# (,;/5;$5 86C (#,<BQ

Figure 4: AC Transfer Characteristics for OPA4354 (left) and TLC2274 (right) op-amps. Top plot shows gain response and bottom plot shows phase response.

3.3 Cryogenic testing of preamplifiers

-3$ #';4<;,.3/ B<$B3(#( 3<$ B$#;=B4.7.#$ 5#(.0/ E;( :<.45 3/,3 ; (=;44 bXR 73$ =3</,./0 ./ ; 4.V<.5 /.,$30#/ 9$@3(,;,Q M2# 0;./ 37 ,2# 9.$9<., E;( (#, ,3 73<$ ;/5 ,2# 5#'.9#( E#$# 9334#5 ,3 4#(( ,2;/ gTZQ G 93==#$9.;4 2.02 (B##5 E;'#73$= 0#/#$;,3$ E;( ,2#/ <(#5 ,3 ./\#9, ; (V<;$# E;'# E.,2 93/,$344;:4# (4#E $;,#( ./,3 ,2# 3BD;=BQ G 93=B;$.(3/ E;( ,2#/ =;5# :#,E##/ ./B<, ;/5 3<,B<, E;'#73$=(Q M2# =;./ ;$#;( 73$ ,#(,./0 E#$# ,2;, ,2# 0;./ ;/5 (4#E $;,# E3<45 :# (,;:4# E.,2 ,#=B#$;,<$#Q M2# 3BD;=B( B#$73$=#5 ;( #SB#9,#5 ;44 ,2# E;@ 53E/ ,3 gTZQ C<$ (#,<B 5.5 /3, ;443E <( ,3 03 9345#$ ,2;/ ,2.(Q M2# (<BB4.#( ,3 ,2# 3BD;=B( E#$# ;4(3 (E.,92#5 377 ;/5 ,2# 3BD;=B( E#$# ;443E#5 ,3 9334 53E/ ,3 gTZQ M2#@ E#$# ,2#/ (E.,92#5 377 ;/5 3/ =;/@ ,.=#( ,3 #/(<$# 3B#$;,.3/Q &, 2;( :##/ $#B3$,#5 ]Y_ :@ 3,2#$( ,2;, ,2# CbG`KT X?C6 3BD;=B( (<77#$#5 7$3= (E.,92 3/ #77#9,( E2#/ 9345* :<, ,2.( 2;( /3, :##/ ,2# 9;(# 73$ 3<$ (#,<BQ M2.( .( B$3:;:4@ :#9;<(# E# <(# ; 93/,$34 9.$9<., ,3 (37,D(,;$, ;/5 (37,D(,3B ,2# (<BB4.#( ,3 ,2# 3BD;=B( E2#/ ,2#@ ;$# (E.,92#5 3/ 3$ 377Q M2# $#;(3/ 73$ <(./0 ,2# (37, (,;$,U(,3B 9.$9<., .( ,2;, E# ;4(3 2;'# ; $#V<.$#=#/, ,3 ;4(3 <(# ,2.( B$#;=B4.7.#$ E.,2 ,2# GHIG1&I6 5#,#9,3$Q N3E#'#$ ,2# 3<,B<, 37 ,2.( 5#,#9,3$ 2;( ; 5Q9Q 4#'#4 37 ij E.,2 ,2# (.0/;4 =35<4;,#5 53E/E;$5( 7$3= ,2.( 5Q9Q 4#'#4 :@ ,2# 3$5#$ 37 ^jQ M2.( 5Q9Q 4#'#4 .( /3, =;,92#5 ,3 ; X?C6 3BD;=B 9.$9<., E2.92 $</( 7$3= ; (./04# eKj (<BB4@Q O# 2;'# ,2#$#73$# ;443E#5 73$ 3<$ B$#;=B4.7.#$ 5#(.0/ ,3 :# 3B#$;,#5 ;4(3 7$3= ;/ <BB#$ e^Tj (<BB4@ ;/5 43E#$ efj (<BB4@ ;( E#44 ;( ,2# (./04# Kj (<BB4@Q M2# 5#(.0/ =<(, #/(<$# ,2;, ,2# 3BD;=B( ;$# /3, 5;=;0#5 ;, (E.,92 3/ .7* 73$ #S;=B4#* ,2# e^Tj (<BB4@ E#$# ,3 :# (E.,92#5 3/ :#73$# ,2# efj (<BB4@ ,2#/ E# E3<45 2;'# ^Tj ;9$3(( ,2# (<BB4@ $;.4( 37 ,2# 5#'.9#( E2.92 E3<45 B3,#/,.;44@ 5#(,$3@ ,2#=Q O# 2;'# ,2#$#73$# .=B4#=#/,#5 ; 9.$9<., E2.92

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4. 2AWAII-2RG 5 MICROG PERFORMAGCE 86C 2;'# $#9#/,4@ :3$$3E#5 ; K L= 9<,D377 '#$(.3/ 37 ,2# NGOG&&DP1+ 7$3= M#4#5@/# ./ ;/,.9.B;,.3/ 37 3$5#$./0 ; (9.#/9# 0$;5# 5#'.9# ./ ,2# /#;$ 7<,<$# 73$ ,2# ?GM&668 B$3\#9,Q M2.( .( ; =.5D./7$;$#5 (B#9,$3D./,#$7#$3=#,#$ B$3\#9, 93=:././0 <B ,3 73<$ IM(UGM( :#;=( 37 ,2# j>M&Q -3$ 3<$ B$3\#9, ,2# .=B3$,;/, B;$;=#,#$( ,3 :# =#;(<$#5 E#$# ,2# 5;$% 9<$$#/, ;/5 ,2# B#$73$=;/9# 37 ,2# 5#,#9,3$ ;, B.S#4 $;,#( 0$#;,#$ ,2;/ ^ ?N[Q

4.1 Iark current measurements

-.0<$# K .( ; 5;$% 9<$$#/, B43, 73$ 3<$ #/0./##$./0 0$;5# 5#,#9,3$ ;( ,#(,#5 ./ 3<$ 4;:3$;,3$@ 7;9.4.,@Q C<$ ,#(, (#,<B B23,3/ :;9%0$3</5 .( ;BB$3S.=;,#4@ `T #4#9,$3/(UB.S#4U(#93/5Q M2#$#73$# E# 2;'# 2;5 ,3 k:4./5l ,2# 5#,#9,3$ <(./0 ; 9345 93'#$ B4;,# ,3 :# ;:4# ,3 =#;(<$# 5;$% 9<$$#/, $;,#( E2#/ :#43E h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iZ ./9$#;(# ./ ,#=B#$;,<$#Q

Figure 5: Iark current for our 5 um cut-off 22RG engineering device

4.2 Ietector cosmetics

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Figure 6: cosmetics as a function of temperature, left T^40A and right T^`0A

4.3 System configuration for detector fast outputs

M2# NGOG&&DP1+ ]i_ =<4,.B4#S#$ 9;/ :# $#;5 3<, ;, ; B.S#4 $;,# 37 K ?N[ ;/5 7;(,#$Q &/ ,2.( $#;53<, =35#* ;/ ;55.,.3/;4 934<=/ E.(# (;=B4#D;/5D2345 (,;0# B4<( ; B$30$;==;:4# 0;./ ;=B4.7.#$ F934<=/ :<77#$J .( <(#5Q M2.( 934<=/ :<77#$ 9#44 ,30#,2#$ E.,2 ,2# 23$.[3/,;4 $#;5 :<( ;/5 ,2# 3<,B<, :<77#$ 9.$9<.,$@ 9;/ :# 73</5 ./ ,2# 5#,#9,3$ ,#92/.9;4 =;/<;4 :<, 9;//3, :# $#B#;,#5 2#$# 5<# ,3 #SB3$, $#0<4;,.3/(Q M2# 934<=/ :<77#$ $#V<.$#( =;/@ ;55.,.3/;4 :.;( '34,;0#(* ,2# =3(, .=B3$,;/, 37 E2.92 ;$# j/:.;(* jB:.;(* j/9;(9 ;/5 jB9;(9Q M2# 7;(, 3<,B<, :<77#$ .( 93/,$344#5 :@ j:.;(3<,:<7 :<, 73$ 3<$ 93/7.0<$;,.3/ E# <(# ,2# </:<77#$#5 3<,B<,(Q "#,;.4#5 ./73$=;,.3/ ;:3<, ,2#(# '34,;0#( 9;/ :# 73</5 ./ ,2# M#4#5@/# =;/<;4 $#7#$#/9#5 ;:3'#Q M2# ,E3 $#7#$#/9# '34,;0#( 1#76;=B4# ;/5 1#7X34:<7 ;$# <(#5 ./ ,2# (;=B4#D;/5D2345 (,;0#( ;/5 ;443E ,2# <(#$ ,3 B#$73$= ; 4#'#4 (2.7, 37 ,2# 3<,B<, (.0/;4 3'#$ ; E.5# '34,;0# $;/0#Q

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O# <(# ^` :.;( 4./#( 73$ 3B#$;,.3/* /;=#4@ j/X;(#* jBX;(#* j/R.;(* jBR.;(* 1#76;=B4#* 1#7934:<7* j:.;(3<,:<7* j55* j55;* j:.;(B3E#$* j$#(#,* j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i E2.92 .( ;/ .=;0# 37 (<92 ; B$3\#9,#5 (B3,* ;44 #4(# :#./0 ,2# (;=# #S9#B, ,2# 923.9# 37 3<,B<,(Q M2# .=;0# ;4(3 (23E( ,2;, ,2# 0;./ .( ;BB$3S.=;,#4@ ,2# (;=# ./ ,2.( 93/7.0<$;,.3/ 73$ :3,2 (43E ;/5 7;(, 3<,B<,(Q &/ 3<$ (#,<B ,2# ./,#$/;4 0;./ $#0.(,#$( 2;'# :##/ B$30$;==#5 ,3 0.'# ;/ ./,#$/;4 0;./ 37 3/#Q

Figure 7: standard slow speed outputs (top), fast outputs (bottom) – shows inversion of signal when switching between output types

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4.4 Read out performance

G, B$#(#/, E.,2 3<$ W+X (@(,#= E# ;$# 4.=.,#5 ./ 23E 7;(, E# 9;/ $#;5 3<, ,2# 5#,#9,3$Q O# 2;'# ; ^ ?N[* `P 92;//#4 G"X :3;$5 ;/5 ; B4<0 ./ $#B4;9#=#/, ` ?N[ :3;$5Q N3E#'#$ :#9;<(# 37 (3=# .((<#( E.,2 ,2# 7;(,#$ :3;$5 E# 9;//3, $#;5 ; B.S#4 =<92 7;(,#$ ,2;/ ;BB$3S.=;,#4@ PQT ?B.S#4(U(#93/5Q M2# =;./ .((<#( ;$# E.,2 9;B;9.,;/9# ./ 3<$ 43/0 74#S. 9;:4#( ;/5 (3=# /3.(# .((<#( E.,2 ,2# :3;$5 .,(#47Q G4(3 73$ 3<$ ,#(,./0 E# 2;'# :##/ 93/(#$';,.'# ./ 3<$ B$#D;=B4.7.#$ 5#(.0/ ;/5 <(#5 3/4@ ,2# CbGfK`T 5#'.9#( E2.92 ;$# /3, ;9,<;44@ V<.,# 7;(, #/3<02 73$ ,2# 4;$0# (.0/;4 (E./0( 7$3= ,2# 5#,#9,3$Q G, P ?N[ 3B#$;,.3/ E.,2 23, B.S#4( E# ;$# (##./0 (3=# ./,#$DB.S#4 =35<4;,.3/ E2.92 .( B$3:;:4@ 5<# ,3 ,2# (4#E $;,# 4.=.,;,.3/( 37 ,2#(# 3BD;=B(Q G 7<,<$# ,#(, E.44 <(# ,2# CbGf`Kf 3BD;=B( E2.92 ;$# ; =<92 :#,,#$ =;,92 ,3 ,2# 7;(, 3<,B<,( 37 ,2# NP1+ 5#,#9,3$Q N3E#'#$ E# 9;/ (,.44 53 ; 93=B;$.(3/ 37 ,2# 7;(, 3<,B<,( ;0;./(, ,2# (43E 3<,B<,( ./ ,#$=( 37 /3.(# ;/5 ;4(3 /3.(# '#$(<( B.S#4 (B##5 73$ ,2# 7;(, 3<,B<,(Q

Figure `: UnBias voltage sweep (top 0.73U, 0.76U, 0.77U and 0.`1U bottom)

M3 9;$$@ 3<, 5#,;.4#5 ,#(,./0 ,2# 5#,#9,3$ (#,<B 2;( 73<$ 5#7./#5 $#0.3/(Q M2#$# .( ; :.;( (2.7, ;:3<, 3/# ,2.$5 37 ,2# E;@ ./ ,2# S 5.$#9,.3/ ;( (23E/ ./ -.0<$# gQ M2.( .( :#9;<(# ,2# 7.$(, ,E#4'# 3<,B<,( <(# ,2# (43E#$ M>XPPif 3BD;=B( E2#$#;( ,2# $#=;././0 ,E#/,@ 3<,B<,( <(# ,2# 7;(,#$ CbGf`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

M2# (43E 3<,B<,( ;$# ,@B.9;44@ 3B#$;,#5 ;, ^TT %N[ 3$ ;BB$3S.=;,#4@ ;, 3/# 7<44 7$;=# B#$ (#93/5Q N3E#'#$ :@ ./9$#;(./0 ,2# 9<$$#/, ,3 ,2# B.S#4 (3<$9# 73443E#$ :@ 43E#$./0 j:.;(0;,# ,3 PQ`j* ,2#@ 9;/ :# 3B#$;,#5 ,E.9# ;( 7;(, ,2$3<02 ,2#(# (43E 3<,B<,(Q M2# 5#,#9,3$ 9;/ :# 3B#$;,#5 ;, KTT %N[ B.S#4 ;/5 :#@3/5 :<, E.,2 (#$.3<( ./,#$ B.S#4 =35<4;,.3/ .((<#(Q M2# $#;5 /3.(# 73$ ,2# (43E 3<,B<,( ./ 3<$ #/0./##$./0 5#,#9,3$ .( ;BB$3S.=;,#4@ g # $=( 73$ ; (.=B4# 93$$#4;,#5 53<:4# (;=B4# #SB3(<$#Q M2# $#;5 /3.(# 73$ ,2# 7;(, 3<,B<,( .( ;BB$3S.=;,#4@ 73<$ ,3 7.'# ,.=#( 2.02#$ ,2;/ ,2# (43E 3<,B<,( ;/5 .( ;BB$3S.=;,#4@ fT # $=( =#;(<$#5 ;, ,2# (43E B.S#4 $;,# E.,2 ,2# (;=# (@(,#= :;/5E.5,2Q

Fast Outputs Read Goise b 4 x Slow Outputs Read Goise at 100 k2z pixel operation

M2# $#;5 /3.(# 37 ,2# 7;(, 3<,B<,( ;4(3 $#5<9#( :@ ;BB$3S.=;,#4@ ; 7;9,3$ 37 ,2$## E.,2 ./9$#;(./0 /<=:#$( 37 -3E4#$ B;.$( ;( (23E/ ./ -.0<$# ^TQ -.0<$# ^T ;4(3 (23E( ; 4./#;$.,@ B43, 73$ ,2# 5#,#9,3$ <(./0 ,2# 2.02 (B##5 3<,B<,(Q M2# 4./#;$.,@ 2;( :##/ =#;(<$#5 ,3 :#,,#$ ,2;/ Kn <B ,3 gT%# (.0/;4 4#'#4Q M2# /3/D4./#;$.,@ 2;( :##/ 9;49<4;,#5 :@ (<:,$;9,./0 ,2# $#;4 =#;(<$#5 ';4<#( 7$3= ,2# 4./#;$.,@ (43B#Q W3 ;993</, 2;( :##/ ,;%#/ 2#$# 37 ,$;/(.=B#5;/9# 93/'#$(.3/ 0;./ 92;/0#( '#$(<( (.0/;4 4#'#4 5<# ,3 9;B;9.,;/9# 92;/0#( ./ ,2# </., 9#44 5.35#( :<, ,2# 4./#;$.,@ .( 0335 ./ ;/@ 9;(#Q X3$$#9,./0 73$ ,2# 0;./ '#$(<( (.0/;4 E.44 2#4B ,3 7<$,2#$ .=B$3'# ,2# 4./#;$.,@Q M2# ,$;/(.=B#5;/9# 93/'#$(.3/ 0;./ .( (.=.4;$ ,3 E.,2./ PTn 73$ :3,2 (43E ;/5 7;(, 3<,B<,( ;/5 .( ;BB$3S.=;,#4@ f <jU# 73$ ,2.( 5#,#9,3$ <(./0 ,2# 7;(, 3<,B<,( ;/5 ./,#$/;4 0;./ (#, ,3 3/#Q M2# 5@/;=.9 $;/0# 37 ,2# 7;(, 3<,B<,( ;4(3 (##=( ,3 :# (.=.4;$ ,3 ,2# (43E 3<,B<,( ./ ,2;, ; 7<44 E#44 (.0/;4 37 0$#;,#$ ,2;/ ^TT %# 9;/ :# =#;(<$#5 3/ ,2# 7;(, 3<,B<,(Q

Figure 9: Single Reset-Read Bias image showing 4 distinct regions (top region is cold shielded, bottom open, left side uses slow op-amps, right side uses fast op-amps)

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Figure 10: Linearity plot for fast outputs (left) and noise versus Fowler pairs (right)

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bXR 5#(.0/Q M3 $#;92 ,2# 7<44 (B##5 B3,#/,.;4 37 ;/ NP1+ 5#,#9,3$ ;, 2.02 (B##5 E.44 $#V<.$# #.,2#$ ,2# <(# 37 ,2# G6&X E.,2 ,2# 5#,#9,3$ B3(.,.3/#5 '#$@ 943(# ,3 ., 3$ ,2# 5#(.0/ 37 ; /#E 9$@30#/.9 B$#;=B4.7.#$ E2.92 .( =<92 =3$# 3B,.=.[#5 73$ 2.02 (B##5(Q M2.( E.44 =;./4@ #/,;.4 ,2# =./.=.[;,.3/ 37 9;B;9.,;/9# 3/ ,2# '.5#3 4./#( :#,E##/ 5#,#9,3$ ;/5 3BD;=B ./B<,( ;( E#44 ;( .=B#5;/9# =;,92#5 9;:4#( ;, ,2# 3<,B<,(Q M

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