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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

8 c- F% z8 i* b# g3 O* j2 Y4 I, q 客户要求如下,如果哪家工厂可以做,请和我联系
2 O/ i# t" I" c# x3 x> The application that we have in mind is similar to others that we commonly
: ?2 h( ?+ B& M" u! }, c > have. If we were to pay for FCC approval, we would want to use the modem
% D6 K* ]0 G3 g > units in all similar applications under the same approval number.
0 _8 M3 a4 J4 M> Therefore, we would like to be able to configure the units to a specific
7 v' |0 W! _0 X% h5 C. a > application. For the business that we do, this approach will yield more
! m0 ^6 h: ~' R2 H > sales based on the same product and approval. We are interested in the
( N" D7 P0 k, `, K/ ]# c> following specifications:
4 q; e, r$ b9 Y& ~>
$ V1 a3 N5 a3 w> - 2 inputs at the Transmitter with three possibilities;
6 H% J6 R8 [+ S* Q > 2 analog
- Z6 P) l h3 H5 {4 {# z6 y > 2 digital
% X" q7 ?4 y6 H& R8 {> 1 analog and 1 digital
, t, M2 w$ e( o>
8 q- J0 A8 F4 I0 s0 g+ B r > - 2 outputs at the Receiver with three possibilities to match inputs
$ j% t' g6 R( |* B8 I& P9 v >
7 p* I% m, f, k. t+ A* ], G) y> - Ability to configure/define analog Transmitter input ranges through
7 S4 y1 j" W5 c" I0 t > simple programming method to correspond with full-range analog Receiver
+ f6 e8 F+ Q* ^3 P) b, |: K4 x, M > outputs (0 - full voltage).
3 q1 O* G" o& y! f+ O* S >
6 F' J2 _- G! X: B9 n$ }> - Ability to configure and set sample rates for the inputs.
, I% }3 c3 F( A9 Q4 P# w>
( n5 p0 p+ v8 p4 ]7 `7 N > - Digital output on Transmitter that turns on during the sampling period.
: h! U7 ~2 |& H. T>
/ d7 x* P1 q4 X: @ > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 s5 e" K3 ]. h> both software control and input hardware control.
4 K- M- Y) H9 }8 [( P>
. [. c8 q. |$ d9 B > In order to configure the units, we would need a way to make the
8 x. a- ]- O# o% p> settings. This would preferably be from a computer terminal so that
. ^, ?" a, a" H7 X5 N > configurations can be saved or easily duplicated for production volumes.
6 a( w; i- r+ u* P, h0 C6 y: q> The units should be small and compact with shielding, and able to mount
2 M7 k$ {3 R- z# P3 L > to a printed circuit board with header connector.
' h. e" G% y- _0 ~>
9 w5 Q' w0 P/ L) y5 O> At this time, we are interested in samples of a pair of modems that
# J" D/ Q2 m, r9 M+ @+ t> might be similar to this proposed system. We do not expect that you
" U+ K* E! ^* |6 e4 x > provide all of these specifications at this time. I can describe our
: h- A6 x1 v$ u0 ]$ j; ] > immediate application needs in the next email if this project is of
& |# n- k0 z, K3 `- p h; z* A2 P > interest to you. Perhaps you can make the samples by those
. [) \" U g, E > specifications. This will allow us to test your radios before we move
9 ^5 S- ~' a( }8 Z/ s H > forward. We are interested in your 900MHz radio to start.
- z' Z/ [9 }: {- d7 k9 ]
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