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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 I! K! i/ Y4 a) l; Y6 n# C 客户要求如下,如果哪家工厂可以做,请和我联系
! q0 i* t+ F- d: L" N! N > The application that we have in mind is similar to others that we commonly
- @6 `' \$ g' f$ d$ v( |> have. If we were to pay for FCC approval, we would want to use the modem
7 Y4 }$ d. b( t' M- ~" {6 p6 x> units in all similar applications under the same approval number.
: p/ c* \+ m1 s+ c5 v> Therefore, we would like to be able to configure the units to a specific
4 ]8 T6 F9 w8 w- }! ^ e% \% ^ > application. For the business that we do, this approach will yield more
- H6 j" m( Z4 X- T. u2 O> sales based on the same product and approval. We are interested in the
! M, ~; N9 r& `; Z > following specifications:
5 ?% `8 B! a, t' w! k' [>
I. i# X$ D, G( m. m" y4 _* ~ > - 2 inputs at the Transmitter with three possibilities;
+ s3 x4 [& \9 L+ M2 C& s/ P$ Y# _ > 2 analog
0 @ J8 H6 _; R' c% o Z" U/ X+ g: Z > 2 digital
* D/ u) r' K7 h > 1 analog and 1 digital
. Q- @* |8 x6 T( ]+ [>
) v- g7 ^. @8 j3 h> - 2 outputs at the Receiver with three possibilities to match inputs
8 Q! Z( B- V2 a1 W >
5 z4 B; {* D$ A& O) M> - Ability to configure/define analog Transmitter input ranges through
8 a. J- o5 }9 j# b3 W > simple programming method to correspond with full-range analog Receiver
+ r) d! L. L" L& {. [$ C7 R& e> outputs (0 - full voltage).
" q% o$ C. T4 q4 v# [( }/ z+ y6 R' W$ Q >
9 n! i, T5 @4 Y > - Ability to configure and set sample rates for the inputs.
$ S T2 j G6 A >
/ e6 ]2 I+ K7 y: O. k$ ?' A> - Digital output on Transmitter that turns on during the sampling period.
: ?& [5 t* H' U' g4 R >
; _0 Q" K6 G% S. }> - Ability to configure a power saving Sleep Mode in the Transmitter by
/ c& f" G- |6 J) D > both software control and input hardware control.
# D6 {' Y! i" J* v >
- d; F* e) P7 P4 z3 O+ H9 u3 n$ L > In order to configure the units, we would need a way to make the
, B2 F9 R+ z3 n; Z# [ > settings. This would preferably be from a computer terminal so that
6 b7 u& v3 X1 z4 `0 y> configurations can be saved or easily duplicated for production volumes.
& o Q9 y& y6 m5 d> The units should be small and compact with shielding, and able to mount
- l/ w5 ^, _3 P5 o> to a printed circuit board with header connector.
8 S7 c2 Z& Q& `! [" H/ c7 {>
& \6 X$ B) ]% [; Z6 o: Y> At this time, we are interested in samples of a pair of modems that
0 `+ c7 Z4 V% z0 @& ^ > might be similar to this proposed system. We do not expect that you
2 ]! X4 i( V1 a7 e8 A > provide all of these specifications at this time. I can describe our
4 n$ D2 T& {. L* y7 K) \" c> immediate application needs in the next email if this project is of
0 P. ?$ K8 x$ H: m4 F+ w$ X4 k2 D; V> interest to you. Perhaps you can make the samples by those
& C8 o* D1 n; H+ J> specifications. This will allow us to test your radios before we move
- N: v- z/ E7 o3 O. l > forward. We are interested in your 900MHz radio to start.
& H# q; n: R0 D
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