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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

# ?; P: L0 r; A" f$ S; k$ X/ n& s 客户要求如下,如果哪家工厂可以做,请和我联系
* f) {+ V* w9 h; \) L6 e > The application that we have in mind is similar to others that we commonly
' W5 D+ G5 a9 N* X ^% Y > have. If we were to pay for FCC approval, we would want to use the modem
# Y. ]. n; q% }' k+ ~& Y> units in all similar applications under the same approval number.
; t7 L4 V1 }; H' x5 T; F% ]3 ]( q> Therefore, we would like to be able to configure the units to a specific
9 u4 J" m0 Y1 x$ T, @> application. For the business that we do, this approach will yield more
. x6 M; p* p8 j/ L' T, j> sales based on the same product and approval. We are interested in the
+ z$ w# ]$ I. ?3 u > following specifications:
; s3 A0 W# X1 u. L$ e2 ]>
: j7 q2 v- a1 W; P4 B+ `; x, q2 l> - 2 inputs at the Transmitter with three possibilities;
0 s& Y: H' W+ Q. R/ v9 O; o: j> 2 analog
\+ ?" u$ {: x+ f% I/ r2 _# o( r5 I) y> 2 digital
' F# @% E- A2 M% g2 h4 G% W% a, T> 1 analog and 1 digital
' X# ]! N0 W, [) u, m>
& K6 L. q2 |) p > - 2 outputs at the Receiver with three possibilities to match inputs
5 t0 @. a. l8 n0 c>
P( M/ V+ W( L3 r- D s, @> - Ability to configure/define analog Transmitter input ranges through
& {9 Q) `/ ]& a. r- S% Y$ I9 F > simple programming method to correspond with full-range analog Receiver
2 v4 N i! ?' _/ t ~ > outputs (0 - full voltage).
6 {& {( s, f2 [8 Q& f: X3 Y7 Z# K' ]: ^ >
% b) R7 H4 u" Z1 z5 H' r0 Y; G> - Ability to configure and set sample rates for the inputs.
6 P/ j. G0 | K; L" Y >
0 N- u5 O- ?1 @) e' ~9 F. W* z > - Digital output on Transmitter that turns on during the sampling period.
7 K. ~" P; K" K( m! ` >
" i& H, Z8 i. r- P3 G# [' a+ U > - Ability to configure a power saving Sleep Mode in the Transmitter by
% l3 h. r0 f6 \# {8 D: T1 E > both software control and input hardware control.
- i1 K. v( `5 H% _" ]>
9 s+ W7 T- y) W6 b5 e! q > In order to configure the units, we would need a way to make the
; l4 L2 p6 D4 A$ c- c: | > settings. This would preferably be from a computer terminal so that
: K! \, t( [: M9 I/ [. L > configurations can be saved or easily duplicated for production volumes.
, ?( _7 G( Z) J > The units should be small and compact with shielding, and able to mount
2 g, [7 E }' n> to a printed circuit board with header connector.
( j1 `' H( U4 u( ^ >
7 F. R* [9 t- s, l ?* d4 c+ f> At this time, we are interested in samples of a pair of modems that
# f9 L$ {% _7 a" o/ p+ R> might be similar to this proposed system. We do not expect that you
# ]6 |1 ^9 }6 p( P C% ~ > provide all of these specifications at this time. I can describe our
) V( K& t1 Y: p! W: F" \$ l> immediate application needs in the next email if this project is of
- u: G- ^' o1 l2 E2 m8 P2 d1 X > interest to you. Perhaps you can make the samples by those
8 b! d$ \5 L( z6 F8 y Q > specifications. This will allow us to test your radios before we move
" U+ v4 O+ w8 K/ E& y' Y' f> forward. We are interested in your 900MHz radio to start.
7 R; o0 ?' S, q4 N3 i4 o; u* ^
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