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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

K; B0 p3 w0 c0 G g6 w客户要求如下,如果哪家工厂可以做,请和我联系
6 ^$ ?% v" p! M; N> The application that we have in mind is similar to others that we commonly
% R- g- N% f% o9 m > have. If we were to pay for FCC approval, we would want to use the modem
" c, X. I* k5 `/ G3 H2 X > units in all similar applications under the same approval number.
! b2 f0 m9 k, Q& ]: o! m > Therefore, we would like to be able to configure the units to a specific
; T e V: d: |0 L! H& O) e > application. For the business that we do, this approach will yield more
D" f+ j! [, A> sales based on the same product and approval. We are interested in the
' {; n+ X! K V' z9 Q > following specifications:
5 g/ c: _$ ]- s* x >
0 r) g4 z" E$ R7 p) \, S > - 2 inputs at the Transmitter with three possibilities;
2 u1 R, H7 M: c> 2 analog
5 ?& a% ~/ u5 g2 I8 @' h/ h4 I> 2 digital
" } v6 p! F$ ~4 i$ r* F> 1 analog and 1 digital
! i% D; }- N) o; D>
" @! W. b% C0 v5 {" G. Y > - 2 outputs at the Receiver with three possibilities to match inputs
- Q! D0 F7 P% ^' ?>
2 M0 z5 g( i2 M! ]; A0 v( _ > - Ability to configure/define analog Transmitter input ranges through
2 p" l. }" X# h; _' H/ o, Q > simple programming method to correspond with full-range analog Receiver
" I, |1 N3 W6 f > outputs (0 - full voltage).
/ y. }/ j1 B2 g* ~ >
# N7 P" a' y0 A5 _) e( o > - Ability to configure and set sample rates for the inputs.
( I: w( f, r+ w. o1 e>
' I! Y) L- h4 _% B9 _ > - Digital output on Transmitter that turns on during the sampling period.
$ w% j+ V8 a8 V9 h% w6 U) c >
- i$ J% g/ t1 \* P. X2 q > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 T) j1 W9 k. @" H4 J > both software control and input hardware control.
, @: c# u! ^; l0 L! s >
7 p' k* k8 [7 ^+ V > In order to configure the units, we would need a way to make the
6 T) q( g$ o3 ]1 ^ > settings. This would preferably be from a computer terminal so that
1 v! D( k' X m9 k, Q9 Q> configurations can be saved or easily duplicated for production volumes.
( t& w, x& n9 n6 G+ d+ ?. t > The units should be small and compact with shielding, and able to mount
: L' h0 V6 l& C7 z0 | > to a printed circuit board with header connector.
& V, G6 R, _: P6 o2 t>
% g; r( T( a9 `# N5 y > At this time, we are interested in samples of a pair of modems that
4 e% B* l! ~) |0 `> might be similar to this proposed system. We do not expect that you
8 u" s1 t2 D% \2 y > provide all of these specifications at this time. I can describe our
) \* H8 n5 l( \* k7 N( ?> immediate application needs in the next email if this project is of
1 {4 r6 T ~9 P! _6 n > interest to you. Perhaps you can make the samples by those
* ^& v$ a- \4 h: {" l8 V- k. k; n > specifications. This will allow us to test your radios before we move
6 K+ q, A5 D! C" k/ U# D: W > forward. We are interested in your 900MHz radio to start.
9 Y- H- J) }0 u
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