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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

! t6 R# [3 [/ u/ Y- r客户要求如下,如果哪家工厂可以做,请和我联系
% Y/ k6 F* i1 F1 s1 t> The application that we have in mind is similar to others that we commonly
# h3 C* A" P1 q2 _> have. If we were to pay for FCC approval, we would want to use the modem
% e0 N: N& y W+ u> units in all similar applications under the same approval number.
4 W( }! z; R1 p- _' L > Therefore, we would like to be able to configure the units to a specific
' k! G, \: B8 s3 Q> application. For the business that we do, this approach will yield more
! l% m) j5 G1 w5 H9 r> sales based on the same product and approval. We are interested in the
6 \2 } \+ [5 E4 `> following specifications:
, g" q3 v: U2 I# Z>
& y$ X) t" y' d0 i, b; I> - 2 inputs at the Transmitter with three possibilities;
6 s) ?/ g# {9 p> 2 analog
$ J, L, i$ _8 e" b. t9 c$ x7 w* [- }> 2 digital
0 B6 X& r" @' i7 d8 J7 E> 1 analog and 1 digital
1 @* p' q" P6 F7 q# D8 B2 s5 H) x$ [6 R7 j >
, \ J# ?, P) L> - 2 outputs at the Receiver with three possibilities to match inputs
) l, u- F, i! I8 e+ t8 E: N* W; x >
$ J# ]) G6 C J6 A > - Ability to configure/define analog Transmitter input ranges through
/ c9 b9 y2 e; \( c) o& T' F" h# [# P3 V > simple programming method to correspond with full-range analog Receiver
: y2 \5 ?' m+ h: F > outputs (0 - full voltage).
6 g% j* m" y4 L4 R4 r>
( S4 G7 G+ Q8 [5 x9 J; P0 ? > - Ability to configure and set sample rates for the inputs.
3 J7 \! `8 g$ K >
, g, `" P$ t3 V* ?: c% r- q> - Digital output on Transmitter that turns on during the sampling period.
2 j5 V) _8 {& M8 H, z! I3 v >
$ d) u ?7 R* B. n+ m* T> - Ability to configure a power saving Sleep Mode in the Transmitter by
& }8 [; K* J: @: j3 d> both software control and input hardware control.
( |2 N% i! I. ~- O>
8 z% Y' x. M k$ q > In order to configure the units, we would need a way to make the
4 t. Q7 M$ p3 J0 Z/ a5 V* @) A/ C> settings. This would preferably be from a computer terminal so that
3 ?$ V6 k+ ?9 X$ }6 r3 @1 U > configurations can be saved or easily duplicated for production volumes.
" ?0 X2 m6 i0 J- Z0 V: f7 ] > The units should be small and compact with shielding, and able to mount
9 e! q3 O! }# q' ?> to a printed circuit board with header connector.
( B2 c; }. R$ O: r& ?6 ~>
2 b' F' e( }3 R5 }1 x7 {9 Y> At this time, we are interested in samples of a pair of modems that
( {1 i: @# r" @3 _' n > might be similar to this proposed system. We do not expect that you
8 ~( P1 q5 K8 [. _. c8 z5 i/ ^> provide all of these specifications at this time. I can describe our
) {+ h3 [5 O) J1 ?& s> immediate application needs in the next email if this project is of
& F9 K/ G/ Z" \) {0 w> interest to you. Perhaps you can make the samples by those
) j6 f, p/ x% t. N6 V> specifications. This will allow us to test your radios before we move
- c- P" ?8 T( k4 z > forward. We are interested in your 900MHz radio to start.
( O9 {. [0 J$ A# O3 a2 V& M c
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