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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

8 u$ x( N1 N9 c% g" _/ y) B 客户要求如下,如果哪家工厂可以做,请和我联系
2 z( i6 E8 O( U6 }8 a h+ k$ v2 K! _ > The application that we have in mind is similar to others that we commonly
$ d1 K! x6 Y1 j% l" a! A > have. If we were to pay for FCC approval, we would want to use the modem
1 Z0 p7 A Y9 C! h, I7 N" o> units in all similar applications under the same approval number.
* f' G! v: H- [9 N; {> Therefore, we would like to be able to configure the units to a specific
6 B/ l$ }$ l) o; W6 t/ r, M> application. For the business that we do, this approach will yield more
7 ^' M; u* L# l4 B> sales based on the same product and approval. We are interested in the
. g. g- _, F0 d. r4 N > following specifications:
1 g' y( w4 p- @ >
5 w- J$ Q$ a2 u6 J5 l. T! {) z > - 2 inputs at the Transmitter with three possibilities;
`2 a0 r; d- E q> 2 analog
" g# p0 k8 U8 _9 S) G > 2 digital
) j8 w* C& g- q4 x Z# H> 1 analog and 1 digital
) K/ c# `( b& I# ? >
9 }/ h$ I& ^" ^( B' [ > - 2 outputs at the Receiver with three possibilities to match inputs
7 O' j/ U$ g! @: o >
/ Y4 Q; J) `. A > - Ability to configure/define analog Transmitter input ranges through
: P5 p3 U2 i1 l; S& n > simple programming method to correspond with full-range analog Receiver
2 Y2 a# Z7 a4 ^% G > outputs (0 - full voltage).
: k( {0 i, |+ T& w$ h( G >
: y5 `/ m) C. g' m> - Ability to configure and set sample rates for the inputs.
& _6 |3 H$ J* G% d0 f, }9 h. H>
1 a( ?( `; z8 Q+ {7 f$ c. T+ H > - Digital output on Transmitter that turns on during the sampling period.
* i& D: l: w" F$ {+ {' I>
5 q! f; F4 }1 M1 e > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ X/ p2 M! T* W$ w: g! D> both software control and input hardware control.
6 r1 K# @4 n+ s5 v; o/ O/ o1 n- A>
' h8 h! `7 p [, Q& S& Q > In order to configure the units, we would need a way to make the
/ C' K! g5 C, Y+ J> settings. This would preferably be from a computer terminal so that
. V5 v! X6 k. C: X, q* G( Y4 m> configurations can be saved or easily duplicated for production volumes.
% m" |5 q5 i+ f- Y: j> The units should be small and compact with shielding, and able to mount
; \" W# ~) {- O+ X > to a printed circuit board with header connector.
& b# z4 h( x4 x9 A6 {. d6 Z>
. A4 T$ |, z8 Y' b> At this time, we are interested in samples of a pair of modems that
% M8 i; Q/ N! s2 Z$ t3 Z2 G > might be similar to this proposed system. We do not expect that you
5 N5 }. K+ q, C' q> provide all of these specifications at this time. I can describe our
) g0 m! \0 g& G0 U> immediate application needs in the next email if this project is of
6 [6 z {1 t7 _& T> interest to you. Perhaps you can make the samples by those
+ M- _; \% i# U! M! c> specifications. This will allow us to test your radios before we move
; t0 K3 }1 D9 i1 Q& V2 x0 t& R> forward. We are interested in your 900MHz radio to start.
" `, [/ Q; p% l7 K9 u; z
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