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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

1 q+ X, }0 U u& G 客户要求如下,如果哪家工厂可以做,请和我联系
9 Z6 S0 \8 t, {' E2 p> The application that we have in mind is similar to others that we commonly
8 }$ w' D p. W! }> have. If we were to pay for FCC approval, we would want to use the modem
& C: {5 C) N$ O) `> units in all similar applications under the same approval number.
+ K, b6 O8 c% I. V> Therefore, we would like to be able to configure the units to a specific
+ k2 f% D( C' i; o. l4 r& t8 V > application. For the business that we do, this approach will yield more
1 ^) _' a- I% B$ d> sales based on the same product and approval. We are interested in the
9 n. I' S' k- n% Q; Q> following specifications:
7 p: {, i5 K+ c>
6 o) t% A7 b, H6 I& ~> - 2 inputs at the Transmitter with three possibilities;
* l' y1 e$ I* T> 2 analog
6 Z* O$ v+ K6 e7 L > 2 digital
0 {) p) O7 j9 x+ N. `" q/ W3 O > 1 analog and 1 digital
: N( k M n) z >
- |! ]0 i8 s# D- F; a > - 2 outputs at the Receiver with three possibilities to match inputs
3 @2 |( l$ u" K9 h# V >
' F4 S" t, C. _5 X* E> - Ability to configure/define analog Transmitter input ranges through
9 l: v% g; O: E> simple programming method to correspond with full-range analog Receiver
" G- n* I- N5 A. Q' D> outputs (0 - full voltage).
2 ~$ A& H6 y" j- W: J >
! t' w0 c" N6 J> - Ability to configure and set sample rates for the inputs.
+ q0 |* F* B/ `6 b$ Q$ m C/ K/ C >
1 f/ H9 y4 d' O! e > - Digital output on Transmitter that turns on during the sampling period.
. N8 w" p4 b1 `) a0 V >
6 J$ P. T8 M, M5 z- I > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 j4 b Y) A5 x& ?& Q" i > both software control and input hardware control.
Q' L) Y* S8 U2 Q >
2 `$ k" c0 z6 P, Y. s; s/ m$ ?> In order to configure the units, we would need a way to make the
$ _ o/ e$ x6 g% L m! Z+ k > settings. This would preferably be from a computer terminal so that
3 W" l% I6 D( u3 G> configurations can be saved or easily duplicated for production volumes.
& {0 V& e- _( G6 Z$ o3 @/ P1 E/ b> The units should be small and compact with shielding, and able to mount
! Q$ _7 L6 F/ I! w; O > to a printed circuit board with header connector.
q% Z# O. {2 Q1 X% N( d0 L>
5 U h, ]& B/ _/ P7 a> At this time, we are interested in samples of a pair of modems that
) _& h& G' W/ q3 o; r7 b5 Y" f > might be similar to this proposed system. We do not expect that you
) {1 L/ l9 }# _> provide all of these specifications at this time. I can describe our
& Y& O( e! Z% b' p. X. D! {0 X > immediate application needs in the next email if this project is of
8 f* j* J9 i2 X> interest to you. Perhaps you can make the samples by those
r& I8 X5 M* G. x> specifications. This will allow us to test your radios before we move
% ?% p. |4 M" `* _, H> forward. We are interested in your 900MHz radio to start.
4 p3 ^3 x( [' V; z
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