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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

& V0 {+ I0 ]& i* z# ?" q" r1 h$ K 客户要求如下,如果哪家工厂可以做,请和我联系
; d: `# r) `; P/ `- s> The application that we have in mind is similar to others that we commonly
# `. k3 S# }2 U C, ?> have. If we were to pay for FCC approval, we would want to use the modem
4 I, r0 C) T' o& B. J' D > units in all similar applications under the same approval number.
$ c3 a8 b4 k& |$ G6 H4 k> Therefore, we would like to be able to configure the units to a specific
0 M' Z9 M+ s& s! P/ K' Y" y> application. For the business that we do, this approach will yield more
8 O5 {9 v5 L5 k" I! A> sales based on the same product and approval. We are interested in the
7 p2 P6 C6 r N' F7 B! I: G> following specifications:
. ~7 K* D! {. I4 M >
# k& M2 u& `5 |. ^2 h9 V3 [ > - 2 inputs at the Transmitter with three possibilities;
, g0 {8 d E' R- U* ^) v> 2 analog
z; z$ v* p; Q$ h% o+ D > 2 digital
|1 H) Z/ \9 M$ l0 ?, Q0 W- j > 1 analog and 1 digital
) q/ Y% |2 _6 p* p) f! z >
2 f8 u# T* D# ^1 K> - 2 outputs at the Receiver with three possibilities to match inputs
/ p0 s' j- l$ l, s >
% m2 w7 C. }% c7 m> - Ability to configure/define analog Transmitter input ranges through
$ X) ^( g3 S9 v4 v0 \; e > simple programming method to correspond with full-range analog Receiver
- l! o' @# |5 f* [" g> outputs (0 - full voltage).
5 e" ]% g6 X% o8 m' H4 K6 \ z. w >
! B; D3 ]4 ~7 c) L > - Ability to configure and set sample rates for the inputs.
i7 c& w, W% f8 X >
* @7 R: W. \7 b > - Digital output on Transmitter that turns on during the sampling period.
0 i( E8 l5 b2 p>
# y' U1 |& h& r) b. S > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 u) L( W3 o, G" j N: O8 H2 Y) d > both software control and input hardware control.
7 \- d) _2 {* O& {; A3 |# ^ >
! C' B! m6 s+ z4 z" b$ F; N0 a& c > In order to configure the units, we would need a way to make the
2 Q* h% u/ S: o1 a > settings. This would preferably be from a computer terminal so that
5 s9 R( F7 P$ u> configurations can be saved or easily duplicated for production volumes.
- X* {6 K& p( f > The units should be small and compact with shielding, and able to mount
7 x. {# A& ?1 a" I> to a printed circuit board with header connector.
! B) j$ C* l0 y$ |9 \& w# Y( `>
: J5 d2 X$ Y7 M5 j, U> At this time, we are interested in samples of a pair of modems that
0 _5 {9 l8 N0 c( g1 J! R% P> might be similar to this proposed system. We do not expect that you
. {6 s. W& `5 O) i, l& ]4 e > provide all of these specifications at this time. I can describe our
0 L: l1 w9 E; y7 E> immediate application needs in the next email if this project is of
" Z5 A, d" y( j1 t( c: r > interest to you. Perhaps you can make the samples by those
; f1 V# x$ N3 b3 e$ \3 I > specifications. This will allow us to test your radios before we move
; K# U0 A3 Q- A3 w# J6 ?* i> forward. We are interested in your 900MHz radio to start.
: p. s0 F3 B) Y+ J; x z
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