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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

0 C, U; F, o* \1 s* G客户要求如下,如果哪家工厂可以做,请和我联系
* t% Y3 |, b0 m0 i" w! O' N > The application that we have in mind is similar to others that we commonly
- k) b( @* f r > have. If we were to pay for FCC approval, we would want to use the modem
6 s% x: y' n+ G> units in all similar applications under the same approval number.
a8 L: K0 R1 a* G2 t, \8 W7 | > Therefore, we would like to be able to configure the units to a specific
8 C$ K g. S9 Z- X( ] > application. For the business that we do, this approach will yield more
% T; e4 ?% }0 |, c: X > sales based on the same product and approval. We are interested in the
5 s4 f. P u5 b3 z+ h/ p) {0 D > following specifications:
, G( [9 ?) m- W, u6 H6 V >
6 M# T: f' n# a- O- }5 h1 S> - 2 inputs at the Transmitter with three possibilities;
. N0 J* J7 F' F* ]6 k( H6 E> 2 analog
0 L: L" b9 q; F > 2 digital
& g3 a' [& ^. a> 1 analog and 1 digital
0 K. D& l! n* C8 Z3 z >
# v' a- j4 ^7 U" e > - 2 outputs at the Receiver with three possibilities to match inputs
0 R8 n3 [) a2 @) L0 O3 O >
, Y/ m# o! s7 r6 @' y1 p6 e2 O& r1 U> - Ability to configure/define analog Transmitter input ranges through
. P: P, p' e& ?% ]8 Q; N A. N# u > simple programming method to correspond with full-range analog Receiver
: e u9 G! k9 J! n! Q > outputs (0 - full voltage).
2 \' a# m1 s3 I% C >
: `. p& Z& M# q ^$ B4 C. N) ~1 ^; V> - Ability to configure and set sample rates for the inputs.
, X, z) F( L) w( o8 r( @. V >
5 d5 }/ s1 E0 y% D' ^9 j6 l% s& U9 K> - Digital output on Transmitter that turns on during the sampling period.
3 b+ H5 [% a( o: h1 |9 v6 h1 k>
. o- `' X2 b6 i& e) ?$ V+ V4 U& ^; n# d! ^> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ i0 C- q$ u+ a* g# D > both software control and input hardware control.
/ F* P& ^0 o% p4 Q4 i% ~! x >
, G6 f( v T: b7 O. w> In order to configure the units, we would need a way to make the
5 z: i( u$ `" X> settings. This would preferably be from a computer terminal so that
8 E& p6 ?$ Z! u8 q$ G- d> configurations can be saved or easily duplicated for production volumes.
) p; ?! _( J; n( u9 r' s; T > The units should be small and compact with shielding, and able to mount
, [ h9 |4 ^3 v8 A" W > to a printed circuit board with header connector.
& m0 u5 u/ |# {( l* T p& b- u* j: T>
! q( B' k) a1 W; z$ Q9 k9 R# v > At this time, we are interested in samples of a pair of modems that
/ `( V q- f: a. d W9 B7 [ > might be similar to this proposed system. We do not expect that you
( ?- _ Z; ?* n) [3 Y; i9 \. N > provide all of these specifications at this time. I can describe our
! b Q: T! R# j `9 _5 n4 M" E+ [% t9 J > immediate application needs in the next email if this project is of
. y1 U: S& F" T" s > interest to you. Perhaps you can make the samples by those
# `$ Q* G' u3 A; G( n > specifications. This will allow us to test your radios before we move
: i0 T7 }5 ^( n> forward. We are interested in your 900MHz radio to start.
& t# Z2 E' c& ^0 t* L/ i
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