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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

' e$ T4 b( n0 m8 y 客户要求如下,如果哪家工厂可以做,请和我联系
6 v3 p4 X/ m% u+ w9 M' M > The application that we have in mind is similar to others that we commonly
( `# f* m2 @' O' q3 B7 F( j> have. If we were to pay for FCC approval, we would want to use the modem
5 \ i! A1 X; f ^> units in all similar applications under the same approval number.
, x& h0 H* t- J; I > Therefore, we would like to be able to configure the units to a specific
' f" L) L/ a# V# f; V' @> application. For the business that we do, this approach will yield more
7 o% L3 J. V4 |# V: A) P> sales based on the same product and approval. We are interested in the
4 x- b5 l, A2 [4 \2 y' @" Z> following specifications:
4 v9 |" a' a# r8 C: R! W>
# y& m) Q& V) i$ V > - 2 inputs at the Transmitter with three possibilities;
4 p6 F4 F5 A$ u+ p( y> 2 analog
) I3 m5 E2 W9 X: y% L, G> 2 digital
6 I% M6 a- B9 w6 Y: r, N> 1 analog and 1 digital
* {- o' V! i% @5 E4 R: h>
, d1 \- r6 L* e8 h* [5 c9 Q% p> - 2 outputs at the Receiver with three possibilities to match inputs
6 `# K( K5 {8 Z0 r% `$ U7 O9 W9 {>
( x E, c+ c; P, X: b" ? J > - Ability to configure/define analog Transmitter input ranges through
2 G, v# t4 x6 |! w. ?0 [; q" a0 X> simple programming method to correspond with full-range analog Receiver
$ x4 d, x! Q' d! }) J" g$ @- P> outputs (0 - full voltage).
# _# Z# `( z2 t/ Z4 ~ >
) M( U. u& m1 y# ?( \$ a> - Ability to configure and set sample rates for the inputs.
, E) `2 s3 g3 K1 @0 k>
7 M7 C0 G' Q0 ~! I# t' @ > - Digital output on Transmitter that turns on during the sampling period.
: g, c& L+ o' \% z& z$ N. P$ l>
) p* f4 y! |2 S6 ]> - Ability to configure a power saving Sleep Mode in the Transmitter by
: z; `4 i6 ~( r* {- V8 M7 A > both software control and input hardware control.
' m; M* G# M5 H1 P4 c>
- q" N! z/ P! {0 T( w$ e > In order to configure the units, we would need a way to make the
9 n6 @) l0 ?+ P> settings. This would preferably be from a computer terminal so that
/ [. r+ y) O4 s* K+ B1 F' U1 e> configurations can be saved or easily duplicated for production volumes.
5 s' s5 _+ ~* n1 {9 e; E& z! H> The units should be small and compact with shielding, and able to mount
( T9 a% q" a. q1 c5 H> to a printed circuit board with header connector.
- H+ f, k+ w9 k( t >
3 C! |. F& X, M8 s> At this time, we are interested in samples of a pair of modems that
7 k& K/ @, U `/ ?' x> might be similar to this proposed system. We do not expect that you
1 K0 t0 W. c Y, W! }+ F> provide all of these specifications at this time. I can describe our
3 W0 ]5 s$ L4 J+ Z2 F9 W > immediate application needs in the next email if this project is of
' V8 k1 R1 {! y1 C > interest to you. Perhaps you can make the samples by those
& v( K3 |$ z0 I4 {7 Q; r! h% I9 V > specifications. This will allow us to test your radios before we move
6 U" c9 ^; d, ?2 E# ^. M- b > forward. We are interested in your 900MHz radio to start.
" C% \: U: h6 s: [
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