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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

; B: z, X# y" P) l客户要求如下,如果哪家工厂可以做,请和我联系
; b, d/ a2 K( J> The application that we have in mind is similar to others that we commonly
: W) e. ^# @% ]: f$ d& N> have. If we were to pay for FCC approval, we would want to use the modem
M: Y+ g, B; B6 l: n/ D > units in all similar applications under the same approval number.
4 h6 U0 k. d: q8 \ } > Therefore, we would like to be able to configure the units to a specific
& | G9 j' d. w5 ?; q& C! s > application. For the business that we do, this approach will yield more
$ u. u9 @8 A, M- L9 x# k e > sales based on the same product and approval. We are interested in the
2 |4 @# P! Z; }4 u& x9 I> following specifications:
8 f0 }8 ~- d) Z2 b' e>
( _. ^. I7 C" J8 M0 \ > - 2 inputs at the Transmitter with three possibilities;
' Z& K4 n% @) {; p> 2 analog
' e" D8 v3 {* ~4 H9 l/ E> 2 digital
3 C" s' o1 L, I3 T( o3 { > 1 analog and 1 digital
; D4 L3 S; t/ s% F$ C >
/ S- l+ Q o7 ?0 N+ `5 z! h$ y9 Z> - 2 outputs at the Receiver with three possibilities to match inputs
( t3 R" p1 [8 O4 X& D( h/ Q, _6 g% W>
0 ~* g* Q+ s# i, E8 B& A0 d > - Ability to configure/define analog Transmitter input ranges through
3 ?# j8 C6 M! e& k# b5 K > simple programming method to correspond with full-range analog Receiver
7 M v1 h4 Z6 B3 s> outputs (0 - full voltage).
3 Q- b- u! p2 o; H' w( ]! p>
r) c2 P2 V m6 B+ J > - Ability to configure and set sample rates for the inputs.
* P0 `! m7 k, z0 u3 ^>
3 Q, X3 f, H1 ]8 d. ^- g7 r" m > - Digital output on Transmitter that turns on during the sampling period.
/ S4 ]: _+ Q7 [9 |2 h, b2 | >
* N; t N/ b" V/ A> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 F4 V* Z+ f! t$ R h# \ > both software control and input hardware control.
+ I0 [" F; C$ z>
& _. |% L9 f- Z, [> In order to configure the units, we would need a way to make the
, K9 F0 Q' A0 a+ P1 f9 y > settings. This would preferably be from a computer terminal so that
, _$ N9 b4 Z, J: o: Z" G> configurations can be saved or easily duplicated for production volumes.
; p; b w# e/ i6 `2 |5 t> The units should be small and compact with shielding, and able to mount
) d* I5 ]7 ]& I3 }! Q" T > to a printed circuit board with header connector.
! K/ U" L* S& ~; j2 O% G6 Z >
6 D1 Q9 U+ P8 @, O' L& }9 U > At this time, we are interested in samples of a pair of modems that
7 A8 ~ l5 k2 `) k0 W> might be similar to this proposed system. We do not expect that you
$ K5 |2 o0 s: r- z0 e9 d> provide all of these specifications at this time. I can describe our
. V, F5 t: y [: @& a9 `) J > immediate application needs in the next email if this project is of
% X2 r* u: S: E; I/ q5 A > interest to you. Perhaps you can make the samples by those
6 v' d* [0 K0 d* ~> specifications. This will allow us to test your radios before we move
, x C9 p1 N5 R$ C! T5 J' ? > forward. We are interested in your 900MHz radio to start.
1 W5 Y6 r* n# o8 Z; O' A
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