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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

- p0 L+ J. E# j1 U" g1 A 客户要求如下,如果哪家工厂可以做,请和我联系
" C% g6 J! A6 D# K$ z6 R0 I; Z > The application that we have in mind is similar to others that we commonly
" }8 V# N7 W; D) ^4 w, S* u4 T> have. If we were to pay for FCC approval, we would want to use the modem
, ^/ d# D, f/ f; r$ j4 t3 i4 m> units in all similar applications under the same approval number.
+ K7 I# J- A1 J$ o/ A9 {> Therefore, we would like to be able to configure the units to a specific
* z; U( p' C! R( M) I0 f> application. For the business that we do, this approach will yield more
0 F/ n4 K& F: m& }' b0 U > sales based on the same product and approval. We are interested in the
; I' Z5 o; R9 Z ^# r! i! @/ [> following specifications:
7 S' }% Q. C. ]# B5 B >
6 i! ]' u7 F$ _- M. j7 K4 i > - 2 inputs at the Transmitter with three possibilities;
! }9 [9 f$ \7 D* _9 C/ c > 2 analog
, G$ q( f% D+ {4 s1 _> 2 digital
$ X% \$ ]1 y3 h > 1 analog and 1 digital
/ b: Y. G# z9 Y; z' d" F>
% S$ i: }- {' } d> - 2 outputs at the Receiver with three possibilities to match inputs
; w# w9 Y6 Q8 q% ^# r! G2 g- U>
3 b7 m, {5 b: A( X z# D> - Ability to configure/define analog Transmitter input ranges through
/ T6 }+ v3 |* ~) K) H" K" ~> simple programming method to correspond with full-range analog Receiver
- a. h; [7 O8 x8 f; Y> outputs (0 - full voltage).
$ A: u1 Q0 C7 ~# U/ L5 @3 V9 @ >
. T8 i) _6 S; A7 \4 h, n+ m8 _ > - Ability to configure and set sample rates for the inputs.
* ]/ C. p: j' I+ c. K0 ]/ L& P- W7 R>
3 z# l" P0 O& b! T% E> - Digital output on Transmitter that turns on during the sampling period.
5 N! |. R; G: T" e! c! ` >
- g* D# y' P7 s3 I, S5 Q> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 v+ B7 O0 b- C) V# | ?! ~9 |> both software control and input hardware control.
n7 J% Z" h" ~) U! X9 O; F>
: g) f0 |) b9 C/ \5 q% z$ X > In order to configure the units, we would need a way to make the
$ Z# q+ Y/ d% Q2 U" T > settings. This would preferably be from a computer terminal so that
* u) M u& P" {" T" w > configurations can be saved or easily duplicated for production volumes.
4 ]) F9 Z0 ]3 [ M > The units should be small and compact with shielding, and able to mount
$ j8 J. @$ T% Q/ y( e) J& k( Q> to a printed circuit board with header connector.
2 o* X G: P& S4 K" U/ R# Q>
8 r' R+ {$ q) k3 ~; b> At this time, we are interested in samples of a pair of modems that
. A' _, `9 m; P" \- F! [ > might be similar to this proposed system. We do not expect that you
) R$ P8 [7 ?2 u; I+ F> provide all of these specifications at this time. I can describe our
* b7 c( ^( G" @' v> immediate application needs in the next email if this project is of
- p7 R3 |4 f- d) ^0 h7 n > interest to you. Perhaps you can make the samples by those
# A2 q5 w, x( u" E$ }> specifications. This will allow us to test your radios before we move
/ f8 j# L) h; U# n( W > forward. We are interested in your 900MHz radio to start.
: U6 h& k! B2 V" x* |( q
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