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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

: V/ f/ \6 n( o客户要求如下,如果哪家工厂可以做,请和我联系
5 a# L A6 p7 {( w; s$ \! ?) o > The application that we have in mind is similar to others that we commonly
0 J2 @: L" w `7 L1 {# O" I- e > have. If we were to pay for FCC approval, we would want to use the modem
; M, l3 J; e3 C( l4 K > units in all similar applications under the same approval number.
^! v: Z! e8 G, B2 n/ C8 A> Therefore, we would like to be able to configure the units to a specific
! z s% H/ p( e2 T# [> application. For the business that we do, this approach will yield more
7 C! b2 t" o' d7 a$ n- N > sales based on the same product and approval. We are interested in the
; q+ a7 W0 b. P; ]/ W> following specifications:
5 L- _. r# x& `8 |4 T9 [) M >
# R+ C6 H, p% T! O7 Y" } > - 2 inputs at the Transmitter with three possibilities;
1 b( K- e6 S- } T k > 2 analog
: H i" c7 x7 ~+ @> 2 digital
' z# Z" m4 G2 x4 S N> 1 analog and 1 digital
. P: F1 m- i, S' x" ?- p" k4 n+ A>
4 w$ [: s- D. y" F& Z/ E! q > - 2 outputs at the Receiver with three possibilities to match inputs
' @& p3 e% a+ c7 i0 X& c6 G! z>
2 \' ~% ]9 J4 ^5 d- j( Y: c > - Ability to configure/define analog Transmitter input ranges through
8 _, ]7 E! ?3 M$ |( g' l > simple programming method to correspond with full-range analog Receiver
$ P- L8 F# s$ e > outputs (0 - full voltage).
6 S, }1 m; V7 C >
; W" Q, {5 ~$ K8 r6 k$ b > - Ability to configure and set sample rates for the inputs.
" F i w! `' _( H, J6 n>
; c* i s7 r, v6 e g" T* f > - Digital output on Transmitter that turns on during the sampling period.
1 [$ X4 t0 X B* J3 G" N, X >
1 q. v% o9 D7 g$ I) E> - Ability to configure a power saving Sleep Mode in the Transmitter by
" T u7 [% l( W> both software control and input hardware control.
0 ^$ E3 t( o( u4 D >
1 {, F& w M- b3 I- { > In order to configure the units, we would need a way to make the
; p7 L0 I8 |0 o1 ~9 Z! G# d > settings. This would preferably be from a computer terminal so that
3 O% G+ Q5 Q) q& ~4 \: K( ~ > configurations can be saved or easily duplicated for production volumes.
3 P# y2 z& s$ J8 y: N X* y) w > The units should be small and compact with shielding, and able to mount
% s/ X' w- e4 R, y( b, e. v> to a printed circuit board with header connector.
& [4 k- A$ H2 a/ m1 e0 ~8 H F>
# w/ I) j# {& v& V5 J& g" s > At this time, we are interested in samples of a pair of modems that
( R9 A/ o* q: V" u' X( T9 o- L > might be similar to this proposed system. We do not expect that you
: ?9 N( r2 [. c9 H" C> provide all of these specifications at this time. I can describe our
9 i: j% r3 [& I; y" E' | > immediate application needs in the next email if this project is of
# C# ?9 s$ M" U* L; y: u0 S/ w > interest to you. Perhaps you can make the samples by those
; u( e) B/ q/ D# e( c7 j* B> specifications. This will allow us to test your radios before we move
4 |' S- d; \4 g+ H> forward. We are interested in your 900MHz radio to start.
$ Z9 c& B8 y, O* b) A7 C
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