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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

& I+ ~# J0 E- z# r6 d# P9 b5 n) x 客户要求如下,如果哪家工厂可以做,请和我联系
' F3 E, l( |5 Q/ m7 n> The application that we have in mind is similar to others that we commonly
& x6 j% E2 c- O* T2 T# C3 ]; }> have. If we were to pay for FCC approval, we would want to use the modem
) s7 h' J) }- r- s) Z. H > units in all similar applications under the same approval number.
. `5 o5 O' N, M( t9 V, } > Therefore, we would like to be able to configure the units to a specific
' R9 m b! j; q7 U6 D L > application. For the business that we do, this approach will yield more
+ a# I7 ?4 B+ I! N8 B > sales based on the same product and approval. We are interested in the
) J& g- } W: N$ F) d > following specifications:
% e, @+ X) t& t4 H>
4 x6 r7 e- o) E" X# }' j> - 2 inputs at the Transmitter with three possibilities;
* k& q4 p- n6 J" `/ v/ u> 2 analog
) z N. ? R' d! C$ A* u" b> 2 digital
' m- i( f( U' L6 S5 l! b+ H> 1 analog and 1 digital
1 O3 g. `0 S3 X; ~ >
* E9 V4 U {! ^+ c# g> - 2 outputs at the Receiver with three possibilities to match inputs
$ |' u7 \7 V. k >
5 t0 k& N7 y$ g2 p; n> - Ability to configure/define analog Transmitter input ranges through
! B. E' n! x7 B& o3 p2 y! M> simple programming method to correspond with full-range analog Receiver
0 \3 @ A$ q; @" A* C> outputs (0 - full voltage).
8 v2 T8 x* t9 h/ y" y >
7 C: ?6 }! D# i4 c3 W1 e$ i; i- [ > - Ability to configure and set sample rates for the inputs.
' @5 H% E% ?9 M$ b. ?8 J. i >
! [# ~& x+ `- Y6 Y" s> - Digital output on Transmitter that turns on during the sampling period.
5 M9 C. l5 K+ }4 S0 m: h; Z >
1 q4 Q/ S7 P& ^( o! h8 t> - Ability to configure a power saving Sleep Mode in the Transmitter by
& \4 d0 |2 S/ w7 X > both software control and input hardware control.
" i: C' y8 M* I+ @8 A) }% _6 t>
7 L7 ~" t' @; A$ T, n1 | > In order to configure the units, we would need a way to make the
7 ?! x3 I4 q t> settings. This would preferably be from a computer terminal so that
8 N$ b- r/ ~+ y > configurations can be saved or easily duplicated for production volumes.
' f* F6 k* P) [1 f$ `6 }) H> The units should be small and compact with shielding, and able to mount
) a4 b* ]9 h' i h8 f2 i> to a printed circuit board with header connector.
; R8 J7 d0 ` @9 Z >
1 ?0 o5 |$ \, b. ? > At this time, we are interested in samples of a pair of modems that
J- S3 B( _1 S4 u5 `, b% `> might be similar to this proposed system. We do not expect that you
" B. e2 ^7 c3 z+ Q) w0 q- Z> provide all of these specifications at this time. I can describe our
" r6 t" `$ I& Q4 U2 k( E# F > immediate application needs in the next email if this project is of
9 f" i( F; p3 z1 ?8 k* K> interest to you. Perhaps you can make the samples by those
. T3 J5 e+ a# w0 Q+ W7 j2 }6 g > specifications. This will allow us to test your radios before we move
- S6 U: t; g# f2 ]+ ?% x i> forward. We are interested in your 900MHz radio to start.
" \4 m, R) f8 D( i5 F4 z
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