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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

5 S2 y* u1 c$ S3 c 客户要求如下,如果哪家工厂可以做,请和我联系
7 h* k' n% c! n1 T> The application that we have in mind is similar to others that we commonly
" t' Q# K [) S" ~) L> have. If we were to pay for FCC approval, we would want to use the modem
, {, P9 ^& t7 l9 A5 k> units in all similar applications under the same approval number.
9 S2 H* i! W+ }1 S g0 d8 r > Therefore, we would like to be able to configure the units to a specific
( j) {- E: I& t4 N5 F& R> application. For the business that we do, this approach will yield more
* L9 B6 `) E ]> sales based on the same product and approval. We are interested in the
9 T/ h) d2 x7 G2 @/ R> following specifications:
e! U4 ?& [& |' N+ O- X6 y0 j >
1 k4 d0 z# y& U > - 2 inputs at the Transmitter with three possibilities;
# @7 ~3 J5 x0 R$ w2 ^ > 2 analog
+ [3 Z. Y; ?# y1 h > 2 digital
4 K9 p* V" Y& o+ E- x3 D& l& H4 n3 w > 1 analog and 1 digital
( A: F* {" p: K- f1 A* r/ N >
* @0 C6 N$ Q! P& b8 l7 l9 H% N# T> - 2 outputs at the Receiver with three possibilities to match inputs
! V! H0 f+ D, K>
* _6 W" J: [8 O5 Q > - Ability to configure/define analog Transmitter input ranges through
- ]$ U8 i4 D; S5 Q> simple programming method to correspond with full-range analog Receiver
6 H1 U2 }7 A) s2 L& B& ^4 l9 n > outputs (0 - full voltage).
% o5 R* T0 [: N' k' N! ? >
6 i5 x' }6 o, N: G7 i > - Ability to configure and set sample rates for the inputs.
/ E1 n1 K0 U2 s>
4 s! c7 ]1 r5 B# X) j, m > - Digital output on Transmitter that turns on during the sampling period.
. `' b/ A8 l5 T% D- K >
: A' s* _9 {5 G. n > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 |5 O& R7 Y2 D. k& c( I > both software control and input hardware control.
5 b" G, e% @( [ a$ D: E) F >
% `" e# _( ` E! X& N7 Q4 Z: @) _> In order to configure the units, we would need a way to make the
3 H( U1 d7 I, Q2 n> settings. This would preferably be from a computer terminal so that
) v6 f! h: D2 n v) o+ t > configurations can be saved or easily duplicated for production volumes.
# S9 b0 y6 Z( E8 ]/ _5 w7 {> The units should be small and compact with shielding, and able to mount
" A! ~! G5 t4 S! l* k4 P1 f5 _, H > to a printed circuit board with header connector.
& p: U& Z3 {7 l; ] >
( j' j; y. i- p" U) B > At this time, we are interested in samples of a pair of modems that
5 ~ i6 r, K% s! a> might be similar to this proposed system. We do not expect that you
G1 E5 E4 | m7 g> provide all of these specifications at this time. I can describe our
_9 s5 T* G' w; s> immediate application needs in the next email if this project is of
' R1 \0 g6 S2 @; v/ j > interest to you. Perhaps you can make the samples by those
4 C3 @9 J# f* l) [5 h; L8 C > specifications. This will allow us to test your radios before we move
/ x4 p/ O ?# x2 S% }5 u> forward. We are interested in your 900MHz radio to start.
& D3 N Z1 Z; b; K) ` P
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