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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

+ u8 m# N+ C1 m+ H) i 客户要求如下,如果哪家工厂可以做,请和我联系
' R" Q. g/ x2 y7 u$ u& M3 w > The application that we have in mind is similar to others that we commonly
- {6 R6 R2 w8 a1 q X1 q > have. If we were to pay for FCC approval, we would want to use the modem
+ z7 S% @3 ?1 ] u7 @* a1 |> units in all similar applications under the same approval number.
' F, a) ~. P* K+ v, q* U+ R> Therefore, we would like to be able to configure the units to a specific
9 s4 x- h) A" `) k R. @ > application. For the business that we do, this approach will yield more
/ O m d9 w5 @# G, |' o; q> sales based on the same product and approval. We are interested in the
6 F$ k* d$ g Y > following specifications:
- A+ ]- d5 ^# C. h$ G >
: g' n, r+ Z! s > - 2 inputs at the Transmitter with three possibilities;
$ L3 |+ V! @( f7 f> 2 analog
) ^) }- Q! o! s) Z > 2 digital
% _4 n4 t, \! a. W S% t > 1 analog and 1 digital
$ M& b6 y$ T7 u0 X; } >
+ c1 g$ E. o0 N) S6 K > - 2 outputs at the Receiver with three possibilities to match inputs
6 I( _* Z1 J. P2 ]7 X; o+ n2 G$ b; V>
7 m9 F5 l8 u# v2 _9 j) x, q > - Ability to configure/define analog Transmitter input ranges through
0 E) l9 x: Y: ~! L6 t> simple programming method to correspond with full-range analog Receiver
0 b: Z: `) G' Y. G4 ~# s > outputs (0 - full voltage).
# @# K" @3 n: c& c6 K) X >
2 |2 q! o, K0 R: V M/ b > - Ability to configure and set sample rates for the inputs.
* c4 b9 ?2 P0 c- t>
0 r4 t6 x2 Y" H+ k' Y! R- k> - Digital output on Transmitter that turns on during the sampling period.
- P; I: p' L' x3 \8 P# i >
0 b6 s# T5 j8 m8 Y1 N > - Ability to configure a power saving Sleep Mode in the Transmitter by
' y1 h: w; `9 ^2 e$ v! T( I4 G9 p> both software control and input hardware control.
! o. L4 ^6 w8 ^6 o) F9 @>
, D! j; k8 Z: \! u> In order to configure the units, we would need a way to make the
2 a. V) [7 j. L u5 g( e e1 v' A> settings. This would preferably be from a computer terminal so that
+ M9 b9 f3 N2 j" K4 Y > configurations can be saved or easily duplicated for production volumes.
2 B, m0 { |- T( w0 G> The units should be small and compact with shielding, and able to mount
4 m) J4 k$ i) R> to a printed circuit board with header connector.
" L! b3 j* P# y >
$ K) R3 k b% V > At this time, we are interested in samples of a pair of modems that
{; j* l5 w4 h4 B n# _ > might be similar to this proposed system. We do not expect that you
! ^8 p. g4 z8 J > provide all of these specifications at this time. I can describe our
/ r( z) t- n- Y: {. v( [> immediate application needs in the next email if this project is of
& @) N9 y) j; m > interest to you. Perhaps you can make the samples by those
. E- W9 ^) [5 N. ?. ? > specifications. This will allow us to test your radios before we move
1 ]& q5 X/ \2 s9 \0 P3 Q7 O5 i7 D > forward. We are interested in your 900MHz radio to start.
2 D0 n- ]* @2 P" E3 [
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