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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

, `; M8 {7 ]* A3 j客户要求如下,如果哪家工厂可以做,请和我联系
, O; @* a0 ~6 _ > The application that we have in mind is similar to others that we commonly
?& q1 M# k/ J, S* c > have. If we were to pay for FCC approval, we would want to use the modem
+ f$ q |+ P2 n7 ]! b > units in all similar applications under the same approval number.
: R1 N9 v: _+ g: \; g; u) t> Therefore, we would like to be able to configure the units to a specific
3 {- G3 S% J7 Z/ m3 [6 e9 F( K > application. For the business that we do, this approach will yield more
: r: D; q9 n. n E( H; Y2 g: c& H> sales based on the same product and approval. We are interested in the
! O9 e9 p6 _( w/ t! e0 _, ] > following specifications:
0 d, y9 i8 v0 g1 P0 U>
0 \% }3 S, O% l > - 2 inputs at the Transmitter with three possibilities;
) i0 T' v1 F0 C9 n t> 2 analog
9 ^. |( g& Q% n& [- A5 G' h" I > 2 digital
- Q0 P, n; G% O > 1 analog and 1 digital
6 U& L0 b4 e' w9 j8 I>
5 d- ?& ^' g- b# g' Z> - 2 outputs at the Receiver with three possibilities to match inputs
0 x% S6 k$ q/ C' c! \ >
/ ~7 \1 j8 Q0 F > - Ability to configure/define analog Transmitter input ranges through
3 [3 ~8 i- W1 z# |* w {$ O> simple programming method to correspond with full-range analog Receiver
# y2 w8 T* R1 S5 G > outputs (0 - full voltage).
- l! [0 P6 m. @' |9 o2 R >
& x) |+ j! ?- d" Z# O > - Ability to configure and set sample rates for the inputs.
4 s* e3 P6 z8 ]& j0 R# i >
1 L, q! H- Q$ `% `/ Q" Q8 ?) H> - Digital output on Transmitter that turns on during the sampling period.
}# } G" u, g>
1 H- J+ y: N* }! j > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ L$ C4 X, y, \& X8 T, x4 ^1 @' s> both software control and input hardware control.
3 [: y6 y6 _0 z8 l" a7 {7 S" j>
; m5 x% n A) S; c2 t+ g > In order to configure the units, we would need a way to make the
8 K7 X6 U9 S: Y/ H# M5 V( {> settings. This would preferably be from a computer terminal so that
$ S0 h2 W, X( H> configurations can be saved or easily duplicated for production volumes.
- |2 \+ D, W) f) v5 y& T > The units should be small and compact with shielding, and able to mount
, I9 z0 K, u* m! i: x> to a printed circuit board with header connector.
3 M7 y7 L* j' V1 }4 C' p: p1 z$ \ >
1 v% A7 H8 c; x, y > At this time, we are interested in samples of a pair of modems that
. m1 ^ ^' F' I> might be similar to this proposed system. We do not expect that you
. u, U' V# w) A/ k1 }. _4 _ > provide all of these specifications at this time. I can describe our
A- u$ R9 C4 L: w9 e E* z/ ~> immediate application needs in the next email if this project is of
' T% e; @3 E* G R% e> interest to you. Perhaps you can make the samples by those
1 x; e# c5 A' H% X9 Q0 W5 @7 Y) \& p> specifications. This will allow us to test your radios before we move
5 h2 I/ Z6 f# _; P, P6 V$ q > forward. We are interested in your 900MHz radio to start.
* o$ w; \- I8 y8 R$ L
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