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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

2 g8 C! n5 x! c9 v( j; U B U) s 客户要求如下,如果哪家工厂可以做,请和我联系
# H0 X! u# `# e& _- f; h> The application that we have in mind is similar to others that we commonly
* G* w! [; ]+ ]1 \3 P > have. If we were to pay for FCC approval, we would want to use the modem
# ]" f- |1 [; a+ m7 g5 l. z> units in all similar applications under the same approval number.
$ U8 K8 R# @. j/ R7 ?# \ > Therefore, we would like to be able to configure the units to a specific
' F. B) {8 C9 H7 X3 }> application. For the business that we do, this approach will yield more
1 b1 N, P$ A2 \% v4 o0 \% T. y+ E > sales based on the same product and approval. We are interested in the
/ a7 K! T' D; q. g/ J> following specifications:
# ]9 w! z5 B. Q; o>
3 s$ ]0 r- c$ K4 ~0 m4 w> - 2 inputs at the Transmitter with three possibilities;
- b$ F: B8 C3 U2 X> 2 analog
0 q5 X! |9 A) n% O/ C# j( U> 2 digital
% z+ @8 Y4 ~9 k l> 1 analog and 1 digital
; H% [6 q; j" i* `>
4 Z& p' E! j( Y# f- g) H > - 2 outputs at the Receiver with three possibilities to match inputs
* d8 j n, ]" M b; h- _>
$ s K1 v! L. J( a% f > - Ability to configure/define analog Transmitter input ranges through
3 i1 G1 w- E4 Z$ p( P > simple programming method to correspond with full-range analog Receiver
3 Y! a" I/ ~7 i( ?* T > outputs (0 - full voltage).
9 X. s9 `; V& n# t( e2 x1 B" Z) |>
; b9 L3 l; Y, w( l' k- a > - Ability to configure and set sample rates for the inputs.
5 |$ {8 m& t, d4 L0 G- U. I9 y' D >
! e3 Z( x4 N d4 ^2 T> - Digital output on Transmitter that turns on during the sampling period.
, Z3 @& d' ?; H. B; k0 L# Q8 J$ B( J >
7 D; Z$ J3 j! B3 C, z > - Ability to configure a power saving Sleep Mode in the Transmitter by
& @+ |7 j5 ^- X6 M" E/ c> both software control and input hardware control.
T. \4 ]4 }4 h2 h>
/ F3 X, s: e0 b9 U \2 U3 X5 \+ X# e, j> In order to configure the units, we would need a way to make the
- u$ o- j% [; E0 Y6 H3 B > settings. This would preferably be from a computer terminal so that
1 y- w' i1 _& f' }1 N$ e" I3 Q# e > configurations can be saved or easily duplicated for production volumes.
" u- p% _6 [6 Q; W > The units should be small and compact with shielding, and able to mount
4 E# f! |- t9 \; l: u > to a printed circuit board with header connector.
" W# u/ b, Z# q, R4 c" B>
: G7 J! t( {9 E7 W& K4 d" r* T > At this time, we are interested in samples of a pair of modems that
8 V4 s2 i# I6 s; B3 |> might be similar to this proposed system. We do not expect that you
- F; k, f! l) i d) e% L> provide all of these specifications at this time. I can describe our
4 @/ `3 c) d* n0 I8 e0 @: F > immediate application needs in the next email if this project is of
; \; |) d2 `1 v& s+ s Q: B> interest to you. Perhaps you can make the samples by those
5 ?% n- F3 r1 ~+ G0 M( M > specifications. This will allow us to test your radios before we move
0 K5 q1 A) j$ U( Q) B. V( Y( G: P> forward. We are interested in your 900MHz radio to start.
& i$ z. ]6 ^' E2 c, `: m
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