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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

% ?2 k# h$ K7 J q2 H 客户要求如下,如果哪家工厂可以做,请和我联系
/ z0 N7 Y8 c+ i T8 S+ F > The application that we have in mind is similar to others that we commonly
( Q) W, T# k* Q# p- T > have. If we were to pay for FCC approval, we would want to use the modem
- M0 K3 u5 Z0 M9 s6 v' k( F5 n9 b > units in all similar applications under the same approval number.
# E5 f; x. w) [- i( i1 U. A > Therefore, we would like to be able to configure the units to a specific
' @0 q k4 v& j > application. For the business that we do, this approach will yield more
# ?" y4 r( v/ z> sales based on the same product and approval. We are interested in the
# G! L( j5 {/ H/ L9 d* t > following specifications:
* z( z0 r$ ^9 D { >
% l X1 Z/ A3 O% w& g& N# E> - 2 inputs at the Transmitter with three possibilities;
! X; a7 ^2 k- o. u: Z: |% l > 2 analog
( r1 e! ?# [, b4 v K> 2 digital
5 G5 ]; X# W8 D# T > 1 analog and 1 digital
6 E; W% |$ y: t8 i4 u8 Z# V >
9 r5 X9 {* C) e1 A( _& u3 B > - 2 outputs at the Receiver with three possibilities to match inputs
! s9 _0 Y( U& b* N n>
4 z+ ^% \. }' ~- o4 h > - Ability to configure/define analog Transmitter input ranges through
# ]5 d" f, f: G> simple programming method to correspond with full-range analog Receiver
6 o& l( b, B& I$ Y0 `4 u' O! ? > outputs (0 - full voltage).
9 I3 }" i% A& ], W6 R >
; s8 y8 A/ h( X1 P r > - Ability to configure and set sample rates for the inputs.
2 Z! {6 k8 ^- X/ w- @5 A$ x5 O" @7 n+ v >
2 _0 f* V/ O* F0 l- V; {; v. | > - Digital output on Transmitter that turns on during the sampling period.
+ b; X( D6 O# Z& t1 z& I3 e>
5 \ N5 z6 D/ @6 }; C1 I9 k# O4 Z > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 a: O3 z7 Z1 ?( Z6 t* v> both software control and input hardware control.
8 w' q) E& Q$ E >
J- b( U: G: G> In order to configure the units, we would need a way to make the
* j8 z" J) k* I; x+ D. i> settings. This would preferably be from a computer terminal so that
6 v" {; n. e D7 J > configurations can be saved or easily duplicated for production volumes.
2 @$ o q! a7 u* B" N2 i# J; y9 _> The units should be small and compact with shielding, and able to mount
# n& H J! c) a' x> to a printed circuit board with header connector.
" g1 I' z$ I- S4 o; }/ ` _; O. z3 G>
! D/ O+ O0 ]4 V5 b" x> At this time, we are interested in samples of a pair of modems that
7 p; j+ D H& U G% V- v4 |> might be similar to this proposed system. We do not expect that you
/ B) S6 ~) x8 u: q3 ?, ]& I > provide all of these specifications at this time. I can describe our
( f& X3 m* n0 i2 ^1 D( |& X1 _> immediate application needs in the next email if this project is of
/ x+ ]4 J( g9 |, X( Y q& k> interest to you. Perhaps you can make the samples by those
$ ], p% _6 o# o > specifications. This will allow us to test your radios before we move
/ |, l+ ^, [. J# V5 a) W> forward. We are interested in your 900MHz radio to start.
4 x# l/ P1 o" [! y' Q8 V
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