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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

& f3 c$ `( R4 w" F9 n9 C 客户要求如下,如果哪家工厂可以做,请和我联系
$ y% l! u2 ?7 @2 f > The application that we have in mind is similar to others that we commonly
5 P0 R- Y8 W/ g- L4 w m; ^3 G6 z> have. If we were to pay for FCC approval, we would want to use the modem
$ m+ m/ B4 e- M9 _) C- z) t> units in all similar applications under the same approval number.
: q. l) g2 R/ L> Therefore, we would like to be able to configure the units to a specific
, Z# W4 S1 ~& z V& j8 _8 B > application. For the business that we do, this approach will yield more
- N$ s) _3 s* g$ t+ } > sales based on the same product and approval. We are interested in the
2 X P: C) c D3 L: H* _ U > following specifications:
) {# h7 R0 c2 C- V. {$ @1 j9 K1 S >
2 u! }. Z0 o3 D# ]8 W> - 2 inputs at the Transmitter with three possibilities;
* f* ^4 _* M3 Z2 \: M. x8 | > 2 analog
& _& g t( y1 |0 h: W/ m: | m> 2 digital
$ b; S" c# f8 _5 ]5 r/ M, K> 1 analog and 1 digital
; d% G) n! _1 y6 G. L>
5 a9 R, J6 e" n > - 2 outputs at the Receiver with three possibilities to match inputs
7 @2 Q% @- O. ` Z' N>
# v) f4 } v, G% x! G: F v( k> - Ability to configure/define analog Transmitter input ranges through
* Y6 _& u# c" b1 A> simple programming method to correspond with full-range analog Receiver
+ N: J( B: \! e! V > outputs (0 - full voltage).
/ ^& f& T5 Q# R8 _( ~2 K>
* b) S' x3 L, Z0 D6 U& u% h> - Ability to configure and set sample rates for the inputs.
9 c3 J% T. f f, S# _ >
/ H+ A$ w- [. i8 j& B; }! R& c > - Digital output on Transmitter that turns on during the sampling period.
+ W+ C3 {: h9 a3 }* y' h>
q; X! l: e h- Y# _4 d w% ]> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 {, H, N: c* L& L( j6 k# a> both software control and input hardware control.
0 W9 e. \1 }# \2 B* i. V>
3 ^- v, E1 ]5 m: t9 m9 G0 p> In order to configure the units, we would need a way to make the
1 U* L! p. b' Q: V> settings. This would preferably be from a computer terminal so that
1 @1 {$ v1 x7 r: a. z( j > configurations can be saved or easily duplicated for production volumes.
$ C& r S: ~9 k > The units should be small and compact with shielding, and able to mount
* ~+ D% [' }9 }7 y3 I. y: \) D3 ]> to a printed circuit board with header connector.
) i8 F. B: i6 u7 j- D( M8 t>
?1 N. X5 J4 }( A7 x. [" G' [5 x > At this time, we are interested in samples of a pair of modems that
& H& {7 {" {3 w. V( j > might be similar to this proposed system. We do not expect that you
* }- V+ R W9 Y) `> provide all of these specifications at this time. I can describe our
" G7 F. m9 v$ r3 i0 s' A: J3 u$ } > immediate application needs in the next email if this project is of
6 h- q8 k% Z A- F+ m > interest to you. Perhaps you can make the samples by those
1 `7 Y0 J$ k" }1 P/ S> specifications. This will allow us to test your radios before we move
6 k# B1 z7 Y. g# z) ^ > forward. We are interested in your 900MHz radio to start.
4 H% c5 P( p: M: l/ y$ e4 ^1 d
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