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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

, q/ k9 y( W6 y5 U8 z; \' C# n5 l8 @客户要求如下,如果哪家工厂可以做,请和我联系
; H+ @8 g6 k( U7 Y# j& P> The application that we have in mind is similar to others that we commonly
: }4 z: o# U5 h# u& Q > have. If we were to pay for FCC approval, we would want to use the modem
3 o' Y6 Y6 o0 h% b. W% u> units in all similar applications under the same approval number.
& z: F; S" U" H- g! s* T3 V) H1 q > Therefore, we would like to be able to configure the units to a specific
B: m0 h3 q* V3 E& Z- u) x> application. For the business that we do, this approach will yield more
; q& U2 l2 M( e( n > sales based on the same product and approval. We are interested in the
: q7 J! D1 X. y) V% T. {> following specifications:
" A7 @/ `" [" R) C, i >
& d: R8 G8 |. Q > - 2 inputs at the Transmitter with three possibilities;
: Z- [) Y, X7 Y9 U) U0 A$ V2 V, ^2 K > 2 analog
) B* i4 M" J) b6 i1 Q; o3 R> 2 digital
- R& ?9 @% `- f7 _. D1 W > 1 analog and 1 digital
& R3 }$ K3 `$ \4 }% [>
* w$ S- o$ A; Q; y3 p7 T> - 2 outputs at the Receiver with three possibilities to match inputs
4 g8 h+ J1 x" B$ m! }>
8 J J# h. \! K! F* ^4 b' W > - Ability to configure/define analog Transmitter input ranges through
. \3 I* |0 g- y7 n> simple programming method to correspond with full-range analog Receiver
9 w g: H4 ?5 B) N1 d> outputs (0 - full voltage).
4 \2 _4 O2 X& h; ?>
+ R* y- ]2 J/ q4 @> - Ability to configure and set sample rates for the inputs.
3 g. L, ?! U6 Q9 H7 n* o( F>
* B2 A- ]1 o0 Q X B > - Digital output on Transmitter that turns on during the sampling period.
( |3 Z" q, U& l( Z7 d7 T>
2 D; _' Q8 X) l, I. q) o3 [- t > - Ability to configure a power saving Sleep Mode in the Transmitter by
- U9 t% Y+ T! S> both software control and input hardware control.
! w5 _; G, U2 F. D+ R4 S6 Y7 z >
. W: i% o# l& o3 c > In order to configure the units, we would need a way to make the
- C' @$ H. Q s1 M* N E: P* i> settings. This would preferably be from a computer terminal so that
8 v+ L5 h' A& D! }4 A0 q > configurations can be saved or easily duplicated for production volumes.
: j* g. O# n' R8 |- G' r. {. ` > The units should be small and compact with shielding, and able to mount
! v" N! k# S8 | > to a printed circuit board with header connector.
$ n3 V2 G, P) b% n& u>
2 f9 U/ k8 }8 J& o7 w8 ^, i4 z, E > At this time, we are interested in samples of a pair of modems that
, w8 b* S w; w > might be similar to this proposed system. We do not expect that you
6 R) r- C" q, \8 q > provide all of these specifications at this time. I can describe our
5 B( C3 c* G: H7 M; e8 A4 [ > immediate application needs in the next email if this project is of
6 Z7 }2 R/ |2 L> interest to you. Perhaps you can make the samples by those
9 b9 u% B2 Q7 R- e# p > specifications. This will allow us to test your radios before we move
6 W% _& S( s9 u2 x5 a; i > forward. We are interested in your 900MHz radio to start.
6 E8 f! p5 h9 q9 N/ r
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