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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

; H+ N& d3 A0 P* W 客户要求如下,如果哪家工厂可以做,请和我联系
( j4 I/ I; K6 u/ ?7 j > The application that we have in mind is similar to others that we commonly
, }* \+ f# g; o% E) G> have. If we were to pay for FCC approval, we would want to use the modem
" Q0 ^9 K( B8 `' U0 r* Q6 x > units in all similar applications under the same approval number.
$ {) {* I4 s. R> Therefore, we would like to be able to configure the units to a specific
6 ?6 Z2 i/ }" S4 Y( K/ i9 a: b > application. For the business that we do, this approach will yield more
3 F1 u2 e7 u2 Y" A u/ D% y > sales based on the same product and approval. We are interested in the
5 M4 s/ T" r, P, a> following specifications:
6 C! n: b/ \/ w3 T( U >
* w/ G# R! O+ z+ z) a1 X) Z > - 2 inputs at the Transmitter with three possibilities;
0 }+ m7 B( l1 w r$ N> 2 analog
O- e( v; P8 W: ^7 B& l > 2 digital
Q# { y5 J J+ @ > 1 analog and 1 digital
z0 c; V+ f' i+ R8 {) r e>
6 O: K) ~( `) l) p+ b > - 2 outputs at the Receiver with three possibilities to match inputs
# k E* {1 \$ v% c>
, j4 e% g" ^9 }$ `3 S > - Ability to configure/define analog Transmitter input ranges through
) Q2 q; ] y4 w% w/ E) i> simple programming method to correspond with full-range analog Receiver
+ M) K ~4 |; W9 L > outputs (0 - full voltage).
/ `+ ? l# w- D; J% T7 I>
7 q5 i, d# ?' u9 }9 O3 k > - Ability to configure and set sample rates for the inputs.
$ N: Y; o) ^* |* `9 p>
# A* ~+ a- h k6 R) l* F7 ? > - Digital output on Transmitter that turns on during the sampling period.
& \+ R/ J( l& Z: M5 M9 o>
( v! U7 K; L2 D4 l: Q& v > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ R+ P) v' [7 e> both software control and input hardware control.
( p: Y) x) g: A5 W>
0 \/ M7 K. h7 q9 W, H5 { > In order to configure the units, we would need a way to make the
5 R0 T, J( e0 d& `1 F ~> settings. This would preferably be from a computer terminal so that
- p7 X4 R; v. j Q. U> configurations can be saved or easily duplicated for production volumes.
5 b8 r( |: T5 s/ S( |( X+ Y> The units should be small and compact with shielding, and able to mount
6 x7 A4 j2 l4 W! W# |4 W' i2 n > to a printed circuit board with header connector.
3 M J7 c. d; ]# d, a >
9 j- O6 m* k2 y1 J> At this time, we are interested in samples of a pair of modems that
6 t- r+ p# }) \* _/ p3 Y- Y+ n > might be similar to this proposed system. We do not expect that you
/ e2 B9 @) g6 Q- R) i9 t6 e > provide all of these specifications at this time. I can describe our
& c( r: D+ d& H$ P$ K0 |& O' ~> immediate application needs in the next email if this project is of
5 y! t; B! A8 I4 S% n> interest to you. Perhaps you can make the samples by those
$ `! G+ _6 ~" N$ Q; @" H0 ]* Q/ t> specifications. This will allow us to test your radios before we move
3 j- G# U, k+ j _ > forward. We are interested in your 900MHz radio to start.
* |- C, I, t4 z. j9 n9 d* w# j
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