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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

3 N* z) R9 u! Y6 n5 z+ O0 \ 客户要求如下,如果哪家工厂可以做,请和我联系
! a, C) e( V a> The application that we have in mind is similar to others that we commonly
3 }0 j% _4 q# h> have. If we were to pay for FCC approval, we would want to use the modem
# m& v+ V. m0 E; t2 P > units in all similar applications under the same approval number.
1 \( U# B- x1 O+ K* S x. L C > Therefore, we would like to be able to configure the units to a specific
2 o! _5 }, |- U1 K7 Q! X& I5 W > application. For the business that we do, this approach will yield more
& A l* H$ {5 p7 C5 U> sales based on the same product and approval. We are interested in the
: u$ S9 o0 \ o* H# m> following specifications:
' n. u7 q4 o$ x d >
2 d) @4 \6 ^' M7 x+ o, p3 D> - 2 inputs at the Transmitter with three possibilities;
" t8 G- D; Z. `8 v) @. U > 2 analog
7 |4 n/ ]- V: R4 H4 W, {* ]> 2 digital
1 O3 o f! S. Q( C# s8 ^1 u* g& h > 1 analog and 1 digital
1 L1 d7 w, G& z7 T7 ~>
1 d, u( {" x) d! j! ]2 {0 E> - 2 outputs at the Receiver with three possibilities to match inputs
: L! B5 N" W; V% C. a >
3 m: K: {8 t9 C+ Y( R > - Ability to configure/define analog Transmitter input ranges through
1 F- X J0 s. @7 }) E1 f > simple programming method to correspond with full-range analog Receiver
" S: ^2 q' ?- u! c6 {> outputs (0 - full voltage).
* b3 C: |) G5 s& c/ i! c1 S3 g+ i; P >
( m: S$ A6 T' z9 F. w6 ] > - Ability to configure and set sample rates for the inputs.
& C1 S$ E1 g. {$ B1 V( t1 D( p >
5 t& B" p/ @" E4 ]> - Digital output on Transmitter that turns on during the sampling period.
5 Y6 B; F8 c4 ]0 E; S5 E% ] >
9 O0 u# Y4 p* z+ ^: q) R > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 ^8 T) N2 A/ @- L0 }# x; J > both software control and input hardware control.
# Y+ ~1 N, w. S. R3 y# z' m >
* D' L' R0 f) U: W! \, O/ d# M> In order to configure the units, we would need a way to make the
% }8 `$ W9 W( [: [; [ > settings. This would preferably be from a computer terminal so that
4 s- e1 t8 |9 j! S+ c% v! T > configurations can be saved or easily duplicated for production volumes.
. B% @7 j, P' x5 k > The units should be small and compact with shielding, and able to mount
7 J7 }5 K6 I# `) u> to a printed circuit board with header connector.
X0 l6 m% Q9 Z% d >
$ ^5 ]: N" `$ r6 ^4 D0 o: I > At this time, we are interested in samples of a pair of modems that
# L }! k4 x- O4 m; n* F> might be similar to this proposed system. We do not expect that you
7 c' L+ p; j/ S5 s> provide all of these specifications at this time. I can describe our
% j' {0 x( u6 f$ {# f > immediate application needs in the next email if this project is of
- F1 u% Z0 k3 u" h4 d6 j* v; N> interest to you. Perhaps you can make the samples by those
2 R2 J# C4 V' e. R8 g% ^ > specifications. This will allow us to test your radios before we move
8 S$ s* s, N7 f/ H- h q4 g> forward. We are interested in your 900MHz radio to start.
# [5 a1 i9 k% V
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