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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

6 l$ `" Q+ u, Y+ q4 q客户要求如下,如果哪家工厂可以做,请和我联系
8 S5 D% S. \& h3 ?! u i, l > The application that we have in mind is similar to others that we commonly
, b* |# S- f5 w& M' ^$ Y# p> have. If we were to pay for FCC approval, we would want to use the modem
* g; x4 S& ^/ g* L3 O( X7 s; G> units in all similar applications under the same approval number.
. n2 o2 P2 r1 Z$ d; ? ^( v5 a > Therefore, we would like to be able to configure the units to a specific
6 v+ a. l8 v$ N+ m5 o > application. For the business that we do, this approach will yield more
. T; L, ^, q- N. u > sales based on the same product and approval. We are interested in the
# c. j* l- K8 y, Q > following specifications:
2 S' X& n+ W5 A9 c' e" A9 K>
( @ u. Z' |* S& B7 M2 Z8 A2 i- {> - 2 inputs at the Transmitter with three possibilities;
7 Q1 p t# {9 O7 Y1 Z > 2 analog
c6 R; r( Y! {> 2 digital
! L5 G- i' R* Q m, [- V A > 1 analog and 1 digital
# N* I) h0 G: }% q; q>
- {4 M. f7 z/ N1 P( R> - 2 outputs at the Receiver with three possibilities to match inputs
4 z5 \% [# V! R, V >
+ R$ }/ e6 z, x! E. g4 P( C > - Ability to configure/define analog Transmitter input ranges through
" W2 q; N Q7 B+ } z0 D* o8 R> simple programming method to correspond with full-range analog Receiver
; s* H7 c; t" v2 H8 l2 I, s4 I> outputs (0 - full voltage).
9 z& U( @; g6 p6 T, k+ }5 P >
2 \& x3 U% j1 s$ W$ ?! b9 W6 s > - Ability to configure and set sample rates for the inputs.
8 \4 v' P/ p' @% Z1 `6 \4 J>
1 J: k4 t6 C* B9 r, L! N* [! [: G! x > - Digital output on Transmitter that turns on during the sampling period.
2 C; o% h4 a+ h& ?% ]>
2 j% Y! o+ _6 g6 H0 o6 x, q > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ Z. B5 U, r; \0 O> both software control and input hardware control.
& O- c' Z9 l+ i1 }4 F6 v! y >
1 o; t& }: V& b t' c2 }$ G> In order to configure the units, we would need a way to make the
! P( M) J1 H9 p, B > settings. This would preferably be from a computer terminal so that
# \" m9 H( S# G> configurations can be saved or easily duplicated for production volumes.
# T, s3 M, H/ i> The units should be small and compact with shielding, and able to mount
$ F0 M/ i" Q/ `) Y4 ~6 E > to a printed circuit board with header connector.
& { L* T0 e+ c>
8 U0 A1 g8 E" o) Q> At this time, we are interested in samples of a pair of modems that
' g8 I; O8 Q+ f; k > might be similar to this proposed system. We do not expect that you
& u& N& W# ]5 p% c ]/ o0 A: s8 Z> provide all of these specifications at this time. I can describe our
$ U9 ?2 j# l9 \/ b0 \" G > immediate application needs in the next email if this project is of
* g+ M. a' E+ y' X> interest to you. Perhaps you can make the samples by those
3 P7 U4 w/ O6 I/ K. k- o > specifications. This will allow us to test your radios before we move
! @& b2 R# R" _# N" F > forward. We are interested in your 900MHz radio to start.
) V2 x/ y" X* R- j3 N
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