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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

4 T2 ~; Z+ T; u! ]; Y- ?6 e客户要求如下,如果哪家工厂可以做,请和我联系
7 _' R& _8 G* w) ^6 ~% i+ P" M& k> The application that we have in mind is similar to others that we commonly
, Y* m3 n0 z+ I' Q/ v3 Y2 } > have. If we were to pay for FCC approval, we would want to use the modem
( H, u2 d* I9 v6 u$ y > units in all similar applications under the same approval number.
" y% j5 Z) t3 B6 D1 {( r# I> Therefore, we would like to be able to configure the units to a specific
! ~/ m' P) N# M5 ^> application. For the business that we do, this approach will yield more
+ Z4 i- l6 \* Y3 ^7 l3 C% s > sales based on the same product and approval. We are interested in the
# M. {" F' D7 t > following specifications:
" e( ]( p0 \- H>
; _0 [; j1 w0 W) ^* ] > - 2 inputs at the Transmitter with three possibilities;
0 I0 w% c' W- v2 Q3 a0 r- o> 2 analog
) v/ P2 _$ h `5 r6 {- o- q> 2 digital
- X! w+ _. M- V3 S" C' b> 1 analog and 1 digital
' r$ O' k# `' a >
: t- k5 j1 _( G> - 2 outputs at the Receiver with three possibilities to match inputs
- U$ A; k) S0 B: D+ y, b>
( e! G) ]: c5 K4 \/ o: j* ~( {, ]> - Ability to configure/define analog Transmitter input ranges through
! q% X# R2 R: l> simple programming method to correspond with full-range analog Receiver
) @- r. k* E. ]( @ > outputs (0 - full voltage).
, R1 f! A5 z+ O+ n: ?/ n# s' _>
1 E# B7 c4 R! I+ O9 d> - Ability to configure and set sample rates for the inputs.
9 ] ^. j8 g8 \' L: g>
* g. a' ~0 [. |) ?6 T > - Digital output on Transmitter that turns on during the sampling period.
8 b3 ]/ i. x3 T2 |>
- E) n( z- G' O9 Q; Q > - Ability to configure a power saving Sleep Mode in the Transmitter by
# [3 ]/ ]+ f* L* Y > both software control and input hardware control.
2 J9 j: ? T, ~% { F5 Z+ X. c>
- m' T+ i+ ]7 u0 e, N, A- Q > In order to configure the units, we would need a way to make the
0 M+ Y( P u( @" ~ > settings. This would preferably be from a computer terminal so that
( L4 h. h, Z/ g% K> configurations can be saved or easily duplicated for production volumes.
& p# s1 Z. V1 F, Y7 |. y+ A> The units should be small and compact with shielding, and able to mount
8 p) M# k% ]7 P6 ~8 V" N> to a printed circuit board with header connector.
! G1 \. o- J* [& S>
# k) ^4 |# {, j: w > At this time, we are interested in samples of a pair of modems that
% {, \ k/ @+ J7 N> might be similar to this proposed system. We do not expect that you
) {5 L& \* Z! L0 M( q, ~4 G: ^> provide all of these specifications at this time. I can describe our
- O$ A% p9 }. s. U) @/ j$ T$ a" ^> immediate application needs in the next email if this project is of
& e: {+ O! y" K/ v, U > interest to you. Perhaps you can make the samples by those
7 ?( r/ Y, s8 D7 m K% g q) Y& P > specifications. This will allow us to test your radios before we move
+ ^& {! `6 s$ V) T5 s5 l2 V> forward. We are interested in your 900MHz radio to start.
9 g7 B" E$ i/ U; P5 I& V, I
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