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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

% e! e# V5 I4 U8 m, j9 V J1 l5 X9 H6 S客户要求如下,如果哪家工厂可以做,请和我联系
! \3 s7 [5 G$ C: R& `/ [> The application that we have in mind is similar to others that we commonly
2 e8 A" R/ _6 {) E3 p" m) g> have. If we were to pay for FCC approval, we would want to use the modem
: v7 C. b& d* Q3 Q2 _+ z( Y> units in all similar applications under the same approval number.
! t% S+ i5 f2 @- |> Therefore, we would like to be able to configure the units to a specific
3 @5 U' M4 E2 }" e: @0 a! [> application. For the business that we do, this approach will yield more
9 Z3 p1 A& @! x* J2 Z1 b: C> sales based on the same product and approval. We are interested in the
% M2 s# i0 o. o. l, V3 h > following specifications:
' D2 k) l: n% T. s; j7 I9 q, y5 a>
. T2 X0 a9 k) \ s8 _$ f> - 2 inputs at the Transmitter with three possibilities;
$ x0 ^8 h0 j4 o( P6 L> 2 analog
1 ]. v5 R; Z" e& j > 2 digital
2 b% I& q% N) k5 }. x> 1 analog and 1 digital
! ~% P" \1 B$ _. O2 _) q% g >
; V- H: c# `/ u6 r# d6 I8 \> - 2 outputs at the Receiver with three possibilities to match inputs
; G% j- U& c. U >
; n8 J1 p8 P; n9 }! ^% @# e > - Ability to configure/define analog Transmitter input ranges through
4 U8 h0 {! S; a8 X4 J& } > simple programming method to correspond with full-range analog Receiver
/ O( Z2 c( m, n+ d. ?1 u- q! w> outputs (0 - full voltage).
) e/ o, w5 s2 n* Y>
) n8 l2 y; G+ |$ S: h! M. j- z> - Ability to configure and set sample rates for the inputs.
' i1 Y. `; X# t, Z >
" p& p' g5 x" L% f; T/ ?+ f > - Digital output on Transmitter that turns on during the sampling period.
# T. `5 C+ R! K9 x >
- _6 L- H; S7 x4 Z+ m- H" n3 f, z U> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ n# i1 S, \) F> both software control and input hardware control.
0 a" J+ ^/ J5 m" S >
5 d5 a4 k/ k6 }1 W$ U* h$ o% A5 U> In order to configure the units, we would need a way to make the
4 t! Q8 C5 C4 x > settings. This would preferably be from a computer terminal so that
# j# |) A2 j. t7 L1 J7 Q% N! @ > configurations can be saved or easily duplicated for production volumes.
" s& g" f7 [- U8 q$ [& L0 C> The units should be small and compact with shielding, and able to mount
! D- z1 I4 H( p# w# G6 ?% o7 x/ S > to a printed circuit board with header connector.
+ _8 \$ H+ _, O5 V. q8 N >
5 r- h' i% E# A& ?0 Z4 v> At this time, we are interested in samples of a pair of modems that
1 K, Q. t. c6 F# x, Z> might be similar to this proposed system. We do not expect that you
3 m G# T$ P1 G T% h, D > provide all of these specifications at this time. I can describe our
, g9 i3 c9 H# S2 u( k > immediate application needs in the next email if this project is of
1 X/ e( f% o+ V2 I. P/ e > interest to you. Perhaps you can make the samples by those
8 t' @. v$ r& U8 S; S+ D6 ]6 y> specifications. This will allow us to test your radios before we move
4 B% q* a( ~0 e5 m, a' | > forward. We are interested in your 900MHz radio to start.
% j! r! q9 c* V* [
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