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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

! D' s+ p6 M/ t 客户要求如下,如果哪家工厂可以做,请和我联系
: z: R" e( ]6 V& L" |2 ~ > The application that we have in mind is similar to others that we commonly
8 r7 D* P5 j+ E8 ? > have. If we were to pay for FCC approval, we would want to use the modem
+ ]# [( J* J5 D! a, I > units in all similar applications under the same approval number.
( W* v) z4 }6 C, Z+ ? > Therefore, we would like to be able to configure the units to a specific
: X7 `- d6 L+ I5 n0 V8 S > application. For the business that we do, this approach will yield more
5 K% ~' V5 \+ K( C/ A > sales based on the same product and approval. We are interested in the
1 W& g* F) v6 r: k& F! u; P) n > following specifications:
% h; q$ Z$ y% b, M3 w4 M( Z >
, N4 M# ^3 r# q > - 2 inputs at the Transmitter with three possibilities;
; a# N; L- v! E3 a) ]> 2 analog
1 n% T0 F, i3 g$ B, F/ }> 2 digital
( f9 k% O; u( S, t> 1 analog and 1 digital
: A8 g9 N% B2 V4 \9 a, z) f0 [8 Y. D>
% _" Q+ [+ q" e> - 2 outputs at the Receiver with three possibilities to match inputs
( |6 @; G3 {3 C6 M& P7 i>
& N1 t: Y4 c) I, p i0 N2 R4 Q+ l > - Ability to configure/define analog Transmitter input ranges through
( k0 f0 t' H2 H% ?* x > simple programming method to correspond with full-range analog Receiver
9 ^6 Y! [7 m$ [% a! B5 b4 |> outputs (0 - full voltage).
% D' n, c/ E: t$ `% K; C7 y>
+ n$ c9 W8 D2 e( a4 _ > - Ability to configure and set sample rates for the inputs.
' t, {; K6 y; ~; s. v( t- d >
4 \& h1 X" P7 y& L > - Digital output on Transmitter that turns on during the sampling period.
+ s! G/ u, H$ y @+ q" B>
( h' ^' F+ F. J9 v; b$ K3 r } > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 [5 o; H- @& ^* s> both software control and input hardware control.
- j0 [! i5 {0 B4 @6 {) Y) ^6 @>
* ?8 Y, [; Y' K& z( C > In order to configure the units, we would need a way to make the
- _: @8 w: w0 d/ W0 k- e) i> settings. This would preferably be from a computer terminal so that
+ ~# `! O* L& ?2 P% D% H2 j > configurations can be saved or easily duplicated for production volumes.
; S7 \8 t+ W: r% J r6 N5 \; G> The units should be small and compact with shielding, and able to mount
$ Y# C2 M/ b9 l, Q. h> to a printed circuit board with header connector.
( i ^0 O2 E) G, J1 t >
5 x/ i% [4 m& G > At this time, we are interested in samples of a pair of modems that
% o. X$ u! F4 ^- ]' x> might be similar to this proposed system. We do not expect that you
' i0 X6 ^$ A" f8 {# K# m > provide all of these specifications at this time. I can describe our
2 i E, m9 A7 V1 M' {> immediate application needs in the next email if this project is of
. \& k* X N! x > interest to you. Perhaps you can make the samples by those
1 s, f* w/ a% C, w$ u > specifications. This will allow us to test your radios before we move
, K+ l) n$ b, t> forward. We are interested in your 900MHz radio to start.
* o- p0 [0 c% V7 C1 h4 R% b: A
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