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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; s! c, k4 Q$ d. S客户要求如下,如果哪家工厂可以做,请和我联系
( a4 E3 B) I$ Y( \: q# v! I> The application that we have in mind is similar to others that we commonly
% t. i m9 f2 |+ z9 x6 n" c! ^ > have. If we were to pay for FCC approval, we would want to use the modem
. o3 t$ F) u5 V3 r: O1 y. y/ w> units in all similar applications under the same approval number.
$ @& o7 h$ {; s" |! V9 C > Therefore, we would like to be able to configure the units to a specific
8 X$ T* L1 n1 L8 v# y3 `1 c+ g; `2 ~> application. For the business that we do, this approach will yield more
P1 b$ v& ~0 s* x > sales based on the same product and approval. We are interested in the
8 P9 p# R6 U) l/ l6 j > following specifications:
# k8 n: }* ]" Q% A, R5 ?4 q/ m>
# U6 d$ ^7 V' }& Y( N7 v6 @> - 2 inputs at the Transmitter with three possibilities;
" ] W* H, \7 C8 Q6 P > 2 analog
& e2 y- q. J1 `% W' U: l. i> 2 digital
+ `) |; f: V; L9 S > 1 analog and 1 digital
" L8 ~, u( F/ B8 L. B2 T>
) U# v8 L7 g3 c* j. o0 M( A; N> - 2 outputs at the Receiver with three possibilities to match inputs
5 p( i$ ~ k! q% a' U >
( F, D3 Q$ }' s+ i2 Q > - Ability to configure/define analog Transmitter input ranges through
6 _8 Q, f( @+ M+ d7 R( y3 Z1 k& a> simple programming method to correspond with full-range analog Receiver
6 a! {# g, {( G- n> outputs (0 - full voltage).
5 v: m! d$ f/ N4 H6 l >
- m8 G. b+ d8 H+ ~% ~' c! Z> - Ability to configure and set sample rates for the inputs.
7 g8 ~* e% S& g" y>
3 j b2 Y. L# w6 s& z' x> - Digital output on Transmitter that turns on during the sampling period.
. g1 I" n- Q% I7 Q5 { >
. G+ a- K( w8 i> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 B" N n, @3 d- |" F- D# y( A> both software control and input hardware control.
7 X0 G! w* {9 U2 b6 a>
2 j- F5 z7 `3 t5 e+ V# R ?. _9 x. C > In order to configure the units, we would need a way to make the
% |2 e% q- ^, T2 M> settings. This would preferably be from a computer terminal so that
" s( j# B' p7 b4 u > configurations can be saved or easily duplicated for production volumes.
" }- T/ d- _+ k > The units should be small and compact with shielding, and able to mount
; e$ R9 \2 @% s4 R/ C' e> to a printed circuit board with header connector.
' w0 S; I: d5 U' ?>
. J7 ^5 X, T& b! e2 Y6 p > At this time, we are interested in samples of a pair of modems that
5 j" U+ `* J- N n2 F3 M8 n1 N P> might be similar to this proposed system. We do not expect that you
5 L9 f* I- {6 l( L! Q> provide all of these specifications at this time. I can describe our
" E/ Z$ D2 I0 P0 M: ]* I> immediate application needs in the next email if this project is of
* d j8 ]: s/ W( ^6 p7 ? > interest to you. Perhaps you can make the samples by those
( N; p% A9 D( l6 D, E. _# n > specifications. This will allow us to test your radios before we move
7 ?0 e% @ w6 D/ m> forward. We are interested in your 900MHz radio to start.
( c& c1 d. F+ I, U( o2 M
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