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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

- A0 K) I1 M4 ~7 l7 H 客户要求如下,如果哪家工厂可以做,请和我联系
' D( [ o& q9 q! n" Z' m) m > The application that we have in mind is similar to others that we commonly
( ] [2 ~/ B- V0 g: p > have. If we were to pay for FCC approval, we would want to use the modem
" b& ]1 w, O: d% M5 |% m* H' o> units in all similar applications under the same approval number.
) p; L% j- i' c0 a0 E* r, b3 T > Therefore, we would like to be able to configure the units to a specific
/ x1 u2 t6 F: K' C# c* ]& i> application. For the business that we do, this approach will yield more
5 p' [% m4 ]: ^, {3 C( i> sales based on the same product and approval. We are interested in the
6 W) W. b& i) a9 K > following specifications:
4 X& _6 K* j0 C4 v' o' ] >
1 f2 `# l: H0 B2 d# | V Q > - 2 inputs at the Transmitter with three possibilities;
$ {8 c) \) a# O9 T3 F& h$ h1 W> 2 analog
" U" K) q5 N7 s1 u > 2 digital
: S9 U2 b! w8 t0 `> 1 analog and 1 digital
, F+ M; s6 v3 H3 \ >
0 _( ~; n- N, O+ C7 ^3 U) Z% [( k > - 2 outputs at the Receiver with three possibilities to match inputs
+ {) B2 A1 U& b6 R>
1 V; @) X5 a! y5 ?" B- p5 `> - Ability to configure/define analog Transmitter input ranges through
: e+ B8 k3 I" q2 j: E5 l > simple programming method to correspond with full-range analog Receiver
! Q# C4 P; t2 Y; u9 ` > outputs (0 - full voltage).
! K+ o/ Q$ X/ U >
- m, S: t- `* X5 N# q > - Ability to configure and set sample rates for the inputs.
4 h" m3 d6 u+ ]>
9 z& w2 g# i/ Z> - Digital output on Transmitter that turns on during the sampling period.
6 k. b: @# L, Z( ^( }* m >
" c4 s% D" B: m+ F> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 ^6 v2 ^! O4 z; i > both software control and input hardware control.
4 x* g* A/ H! }& P5 Q >
6 V/ ~* K& d- z& P> In order to configure the units, we would need a way to make the
7 E, ^3 f# C& w. @+ F R& Y > settings. This would preferably be from a computer terminal so that
/ K1 d: a1 Y& Y( h) V& _> configurations can be saved or easily duplicated for production volumes.
' m x4 a5 @; h > The units should be small and compact with shielding, and able to mount
+ F5 K4 H! q' H& V# Q9 d# W> to a printed circuit board with header connector.
" Z8 |$ Z2 V ^! a2 U7 c>
8 K- _' b8 J3 d' W' L$ }! g > At this time, we are interested in samples of a pair of modems that
1 g7 ~ R- i5 z& @3 ~) O> might be similar to this proposed system. We do not expect that you
+ P6 Q5 N5 q# j, B/ q* R > provide all of these specifications at this time. I can describe our
" t. ~7 {/ |/ U> immediate application needs in the next email if this project is of
% T+ V! X9 a: [6 v( y > interest to you. Perhaps you can make the samples by those
% `7 I+ U4 e$ o' R1 |& z0 O3 M0 O> specifications. This will allow us to test your radios before we move
; N- z8 L6 s( N. j4 B6 N > forward. We are interested in your 900MHz radio to start.
: Y5 W+ _+ P0 T3 K1 w N
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