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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

* [3 o6 p9 V+ X2 N 客户要求如下,如果哪家工厂可以做,请和我联系
% b9 z+ m" z5 R; c" |- W > The application that we have in mind is similar to others that we commonly
I) X( V2 }0 c7 Q > have. If we were to pay for FCC approval, we would want to use the modem
9 O+ z2 M! M3 r! N1 k8 k8 }% N> units in all similar applications under the same approval number.
4 D( Y& \- G5 t> Therefore, we would like to be able to configure the units to a specific
% O0 ` b+ F2 [5 S- D) d* h; A> application. For the business that we do, this approach will yield more
8 j! V1 N4 f- { { > sales based on the same product and approval. We are interested in the
' p0 B& l, f- K& @' g2 D% ~ @> following specifications:
' }; |# M' d0 z: A- k J. s>
/ _% c& L8 b" }> - 2 inputs at the Transmitter with three possibilities;
/ o+ g& {2 N8 w! ^+ p! ] K# `5 v; g > 2 analog
) ]5 O/ E4 q' K; g) {! C > 2 digital
# E" e( X: r: f; a> 1 analog and 1 digital
/ J \7 k: P1 e. F# \ >
4 d# O/ f% y5 N4 \; n9 M> - 2 outputs at the Receiver with three possibilities to match inputs
/ \* v5 K4 J9 F+ V, G>
0 {' |1 Z6 Q6 l > - Ability to configure/define analog Transmitter input ranges through
: [! u5 i! s6 K! @0 g8 P- n; `) P> simple programming method to correspond with full-range analog Receiver
" r7 r: x4 X7 A, s# P& A > outputs (0 - full voltage).
y7 ^7 z* u3 Q9 ` >
4 v" q4 i/ a! i4 ? ? > - Ability to configure and set sample rates for the inputs.
* B" T! H$ i+ F/ c, j >
! q+ [) G P; F8 w, b> - Digital output on Transmitter that turns on during the sampling period.
! T+ E: k+ H. y' Z) K>
+ d4 h: r1 I- t+ [' w > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 ]( |7 g2 N& A > both software control and input hardware control.
7 K2 b, d; N' Q t0 q+ ~3 Y >
: \9 Y. p' E; [' e, U! J& s> In order to configure the units, we would need a way to make the
7 a. n+ |0 {% S( i0 T2 p > settings. This would preferably be from a computer terminal so that
+ _! s! b' ~) i4 n > configurations can be saved or easily duplicated for production volumes.
4 @3 t6 Y& D- x' l1 U > The units should be small and compact with shielding, and able to mount
: r, S( B! _+ o4 U7 s$ |1 N > to a printed circuit board with header connector.
7 B/ ?3 [9 ^/ Q4 j1 u/ g >
4 \7 J y3 s' A9 {. y* I > At this time, we are interested in samples of a pair of modems that
j0 g) K- X+ S) c) A; P> might be similar to this proposed system. We do not expect that you
6 u+ D9 K) f! b. l9 P > provide all of these specifications at this time. I can describe our
- {; V* c* N& o7 C- F" j1 K6 a> immediate application needs in the next email if this project is of
+ Y" ?5 m4 k3 U! z$ @% j> interest to you. Perhaps you can make the samples by those
; f* q7 m$ U. U! P > specifications. This will allow us to test your radios before we move
+ d6 M3 T( L# R; ]3 s3 F0 x> forward. We are interested in your 900MHz radio to start.
, ~4 \" V, b' p- D6 \5 y6 O/ J
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