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[寻求合作]音频传输模块,做出口

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安防幼儿园学生

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发表于 2007-5-27 20:29:37 | 显示全部楼层 |阅读模式

" g& M' ~6 z3 F0 G( Q客户要求如下,如果哪家工厂可以做,请和我联系
) `2 h1 o0 ?8 q$ i" k9 `+ E, H > The application that we have in mind is similar to others that we commonly
( C1 V; t* r2 @1 h* Y8 ~; k > have. If we were to pay for FCC approval, we would want to use the modem
+ T# [1 a6 g9 ?3 a6 I. v > units in all similar applications under the same approval number.
2 g9 c$ x4 b% m8 }9 d9 e+ m- x1 m > Therefore, we would like to be able to configure the units to a specific
! s: X; g3 I9 q# W }/ A6 L> application. For the business that we do, this approach will yield more
8 |4 z) |$ N M' X1 t4 O4 c) O8 N> sales based on the same product and approval. We are interested in the
1 k' w5 D; {* E2 D4 Y( E > following specifications:
. H* z* J; v9 B: E6 M) v" _ >
' s. v- I0 }6 y, `" @' o > - 2 inputs at the Transmitter with three possibilities;
$ @! i9 w6 f( S5 w8 j> 2 analog
. |1 L! `0 G; u! _+ c, J) e" r> 2 digital
; Z! A$ E2 K6 N4 ]+ D& C > 1 analog and 1 digital
9 J C$ K! c l >
' k! r) ] R, Y2 ?0 i > - 2 outputs at the Receiver with three possibilities to match inputs
' v* l5 c( U1 c' V8 O>
& b3 r, Y# N2 q> - Ability to configure/define analog Transmitter input ranges through
) J! x2 K$ I2 l3 h> simple programming method to correspond with full-range analog Receiver
$ w3 w$ k5 X( T7 p" ^> outputs (0 - full voltage).
5 d$ X% {: s2 {/ i >
( m5 O# e% _* a2 C8 |% [ > - Ability to configure and set sample rates for the inputs.
/ A4 E. ]7 }' }5 U >
. D/ }- t3 i3 }6 ^& h7 M Z3 y0 E, ~ > - Digital output on Transmitter that turns on during the sampling period.
: A6 A5 I0 v" U+ Q. J3 b >
: E: F' T& S" z! R. {9 c> - Ability to configure a power saving Sleep Mode in the Transmitter by
u5 P$ V, n' r8 d( K7 r. D> both software control and input hardware control.
. k% z# Z: Q# N2 k >
1 {7 D7 G; m2 u0 l/ n > In order to configure the units, we would need a way to make the
# p4 F0 _7 q4 R& t) b9 M3 a7 E > settings. This would preferably be from a computer terminal so that
% t4 T# w8 ^9 B) a) C+ a* | > configurations can be saved or easily duplicated for production volumes.
( P& z( P3 R" g8 `> The units should be small and compact with shielding, and able to mount
9 L' g" @& U3 p2 F k > to a printed circuit board with header connector.
& d2 @$ U' R: O4 L* _- Y>
1 U" B: i' v. D" V A- p> At this time, we are interested in samples of a pair of modems that
* h% L8 |( P( S8 }! d1 w' H1 j > might be similar to this proposed system. We do not expect that you
; @9 a- c4 j+ b* R# L> provide all of these specifications at this time. I can describe our
+ n% L/ P9 A$ A7 N2 y > immediate application needs in the next email if this project is of
# f' v! I% g6 |9 t> interest to you. Perhaps you can make the samples by those
3 V* U3 @2 l- t/ ~ > specifications. This will allow us to test your radios before we move
0 v6 w% W4 ]# L" k* J* M, y> forward. We are interested in your 900MHz radio to start.
; j2 e6 ?) ^6 j! Q
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