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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

) N# R/ O- I9 \4 x 客户要求如下,如果哪家工厂可以做,请和我联系
0 F9 w3 _& h y$ d > The application that we have in mind is similar to others that we commonly
) D0 V) Y9 B& B( z> have. If we were to pay for FCC approval, we would want to use the modem
3 A8 P6 {+ u$ I- ~7 o > units in all similar applications under the same approval number.
* B: v+ b' x n+ {: R8 O( X7 w > Therefore, we would like to be able to configure the units to a specific
* `1 `! ] o1 _# \: e- p/ B > application. For the business that we do, this approach will yield more
$ y, J/ y. k) g- F* O* p/ r > sales based on the same product and approval. We are interested in the
* Z& r# I1 o1 _8 B$ j& Q6 D> following specifications:
7 I/ ^% t# @+ x3 g>
) O0 H/ f# }4 z1 a, W > - 2 inputs at the Transmitter with three possibilities;
( n, W* o6 _% `$ g+ |8 q> 2 analog
# g' J# V) o5 h* A; t > 2 digital
& ^2 B$ M* s) u4 H2 n > 1 analog and 1 digital
0 }# _+ \4 O) C. _( [>
h" T2 U4 Z+ y8 d" w> - 2 outputs at the Receiver with three possibilities to match inputs
P: S8 T$ C7 v0 O) ?) _>
6 @) F' s j0 T! O8 X) x> - Ability to configure/define analog Transmitter input ranges through
: C: Z. P8 |6 ?3 S> simple programming method to correspond with full-range analog Receiver
: L0 }+ t. h% ?7 |+ l. Y > outputs (0 - full voltage).
8 E; `' K* f: j' p, }9 O& ~ >
9 w3 J3 _+ y# @> - Ability to configure and set sample rates for the inputs.
0 F5 ?0 q8 Y( u7 a' i >
. ?2 W, t, K3 j: p; f& V5 ?! L( C > - Digital output on Transmitter that turns on during the sampling period.
' ^ F" l' b$ d' r>
- l: _, a) d7 o4 H* o% }7 y> - Ability to configure a power saving Sleep Mode in the Transmitter by
. U$ D; [$ A: t > both software control and input hardware control.
# R; n& j4 k5 G0 A' p >
( m7 W- f! D4 U, z6 | \> In order to configure the units, we would need a way to make the
+ C2 S T6 b# r" C1 g> settings. This would preferably be from a computer terminal so that
$ W! c6 J# F& v3 j) ` > configurations can be saved or easily duplicated for production volumes.
# B+ f/ v, j6 Z# n0 E > The units should be small and compact with shielding, and able to mount
6 ]. h" b+ C) p) x. n> to a printed circuit board with header connector.
% y2 t. u* x! p2 r4 v >
7 M& {2 @; ^# k2 e: R$ q L> At this time, we are interested in samples of a pair of modems that
1 D Y8 W. G% p2 T1 n0 E8 |5 N > might be similar to this proposed system. We do not expect that you
' L R) q6 V* y w, \$ P6 g& t( B> provide all of these specifications at this time. I can describe our
/ g, S5 L; R1 B' C> immediate application needs in the next email if this project is of
$ [0 }1 G' x* v( I+ N1 x: C5 o: V4 S> interest to you. Perhaps you can make the samples by those
( c- {5 q* K5 r- [- [ > specifications. This will allow us to test your radios before we move
0 O2 h) J. l: `3 i) Y2 ] > forward. We are interested in your 900MHz radio to start.
8 w; J6 A' N2 f) Q/ A$ i
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