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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

" f. K: r9 S w+ f6 |' M9 R客户要求如下,如果哪家工厂可以做,请和我联系
4 z7 @( y# S! u6 e }: e/ \5 W+ h> The application that we have in mind is similar to others that we commonly
3 a2 C% ^6 z& a. [- C, Z3 v > have. If we were to pay for FCC approval, we would want to use the modem
+ u c- P/ N9 G& O; w$ e> units in all similar applications under the same approval number.
@) v$ ~0 h8 y$ B0 p8 K! y. s$ ^> Therefore, we would like to be able to configure the units to a specific
; z0 K) k2 b$ L> application. For the business that we do, this approach will yield more
0 r' i) O ~ w2 f, e> sales based on the same product and approval. We are interested in the
" f; {. r2 U( [/ e: l8 m> following specifications:
6 D5 t9 w4 Q9 O/ B7 f >
7 W h" I+ K @" r! g7 c > - 2 inputs at the Transmitter with three possibilities;
1 p1 n! l2 J* @; X4 i> 2 analog
. ^- K! L$ \$ n: b% x& f3 |! e > 2 digital
' L+ V; D4 \. p5 X2 N( t$ Q' K& ] > 1 analog and 1 digital
2 `+ ~, M" C/ M) H% m% Y >
" h3 n2 b2 v* O$ z/ W > - 2 outputs at the Receiver with three possibilities to match inputs
6 c8 O t4 g5 i4 V( C6 x. O% z>
. D, b; d: M! f8 S> - Ability to configure/define analog Transmitter input ranges through
+ q2 E/ A2 i# B> simple programming method to correspond with full-range analog Receiver
% ?9 N5 f' M; O; W* ~' A> outputs (0 - full voltage).
~) C. h7 q/ ]5 f>
, O" ?1 [5 S" \+ u! n> - Ability to configure and set sample rates for the inputs.
4 a5 H7 |* X+ ?3 X, j" @/ c >
4 d6 N7 t: }$ B& x> - Digital output on Transmitter that turns on during the sampling period.
( H! F2 y6 ]% j >
* J# L/ f$ H1 P7 p2 r" s1 { > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 }1 {4 x5 X9 Y* B5 ~6 k! ]- a" K2 z> both software control and input hardware control.
: u0 T- z3 {# b- e& Q: C >
7 o6 a5 h$ r: F" Y1 l9 Y/ n7 V. j > In order to configure the units, we would need a way to make the
, {8 A/ h- k* g> settings. This would preferably be from a computer terminal so that
, A) I) E2 |4 z8 Y) {: {( l( y1 W> configurations can be saved or easily duplicated for production volumes.
7 u* [- k) X) {/ t- l > The units should be small and compact with shielding, and able to mount
1 `: S) [, @( ~ > to a printed circuit board with header connector.
& o3 V- ?# {1 |! x0 {& G# ] >
- s, T8 T! O: } > At this time, we are interested in samples of a pair of modems that
4 p- ^5 { D7 Z# \, A# w, X1 ? > might be similar to this proposed system. We do not expect that you
% Z# I1 l0 K! r1 U4 {3 {; [: Y1 p> provide all of these specifications at this time. I can describe our
. H6 y4 e2 o! r7 B( S > immediate application needs in the next email if this project is of
, f# Q6 B- b( i& |; T4 x- `+ Y+ J> interest to you. Perhaps you can make the samples by those
9 N! d, u0 u4 C0 f8 ~) C6 v> specifications. This will allow us to test your radios before we move
6 B$ K D1 O) ~0 G( q# Z> forward. We are interested in your 900MHz radio to start.
# o4 w6 P. i$ K& K
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