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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

9 }5 {+ Z+ q) H6 n8 X7 ]% ] 客户要求如下,如果哪家工厂可以做,请和我联系
/ v- z5 ~1 U& q t3 ^> The application that we have in mind is similar to others that we commonly
/ l, @# V# b0 k- l> have. If we were to pay for FCC approval, we would want to use the modem
" H* d' h3 B$ N- X- K# Q2 ~ > units in all similar applications under the same approval number.
$ S! V5 ]; k/ a0 \ > Therefore, we would like to be able to configure the units to a specific
6 L6 G* f6 ~6 W/ P, E1 q> application. For the business that we do, this approach will yield more
' X$ q1 ^( T, X' A! ?: D> sales based on the same product and approval. We are interested in the
1 ~1 d* u! s6 h4 U' a& f; u: l0 _> following specifications:
& [2 p2 Z& M9 O( q: O>
. r5 u/ [% g! z7 ]$ B$ v > - 2 inputs at the Transmitter with three possibilities;
% X' s# X& B _: B > 2 analog
" L+ I, c8 P5 ]% [ > 2 digital
$ B5 E4 K" X. _4 O; k > 1 analog and 1 digital
0 S8 P+ {4 `6 s! ] >
! S, E) X4 q P3 z> - 2 outputs at the Receiver with three possibilities to match inputs
, K4 V; |- \5 z2 K' E/ H+ `7 p. y>
$ M$ I) d4 n* j% _> - Ability to configure/define analog Transmitter input ranges through
) g/ o/ D3 E: ?* b3 {" G/ _$ @ > simple programming method to correspond with full-range analog Receiver
* W# f! ^1 _! ]& o$ m$ q6 n > outputs (0 - full voltage).
3 b; \5 m$ l$ @: [>
6 f# W, f4 X+ z8 x4 Y! k > - Ability to configure and set sample rates for the inputs.
9 ^7 E9 Z9 V" }4 R& B >
7 ~+ {' s8 C, E" m > - Digital output on Transmitter that turns on during the sampling period.
- m9 M X+ i2 M+ X0 I>
5 Y+ R7 e5 ^0 q" F0 v' { > - Ability to configure a power saving Sleep Mode in the Transmitter by
" A9 F! r6 _, } l1 X3 O1 | > both software control and input hardware control.
. W7 ~) v! c( O' N( {% k# W8 g >
/ a |) e1 p! j1 v > In order to configure the units, we would need a way to make the
* E, M, W: D9 H, q> settings. This would preferably be from a computer terminal so that
" g# v$ w, s* A, ]5 i3 O# a- b> configurations can be saved or easily duplicated for production volumes.
! u# c) W$ V3 A/ C6 Z > The units should be small and compact with shielding, and able to mount
$ O P( }5 `. ^0 N7 x* Q > to a printed circuit board with header connector.
! X+ v8 @# m, W: o: H5 { >
* ~6 G; I( a# [2 _6 s5 i3 G) n > At this time, we are interested in samples of a pair of modems that
) [* s$ ?; b- G+ a> might be similar to this proposed system. We do not expect that you
$ i' w2 d$ Y9 E% r- x% z5 o > provide all of these specifications at this time. I can describe our
7 W9 m, s0 Q- ?! ?2 w: L ^> immediate application needs in the next email if this project is of
5 Y3 R. ?4 |8 D/ H > interest to you. Perhaps you can make the samples by those
8 V& o y0 B! q4 X> specifications. This will allow us to test your radios before we move
1 d$ N6 O: R8 ^" b0 s> forward. We are interested in your 900MHz radio to start.
. K; h- J! }# d9 {' r r6 t
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