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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

& `% p e: y# T1 N6 w 客户要求如下,如果哪家工厂可以做,请和我联系
# E0 f; c# `5 m# S6 J& J- s# z > The application that we have in mind is similar to others that we commonly
2 t1 H, l. B. M, a) W > have. If we were to pay for FCC approval, we would want to use the modem
5 M7 T! C) c; D0 J> units in all similar applications under the same approval number.
* i* W2 ]( l+ R- S > Therefore, we would like to be able to configure the units to a specific
8 N+ \6 g# v9 V0 d8 z S1 x> application. For the business that we do, this approach will yield more
" [4 U% M; `. c, E> sales based on the same product and approval. We are interested in the
8 y$ G; Z9 D7 |2 u; L> following specifications:
% m- f$ ~( n2 X>
* @+ w2 G3 B1 D K0 U# v! b> - 2 inputs at the Transmitter with three possibilities;
) c: o# n' h5 O1 l5 M7 E" i+ \ > 2 analog
; y: X. E) n0 M5 B( l- l > 2 digital
$ k4 M% Z7 F3 d7 I9 Y6 L7 t& Y> 1 analog and 1 digital
. a8 L" t1 t* H! P5 m2 i3 | >
: e D" ^! n7 k3 b& c7 N4 e > - 2 outputs at the Receiver with three possibilities to match inputs
' U* }% y9 _6 c. s6 D >
1 ?$ F8 V& l( r/ s> - Ability to configure/define analog Transmitter input ranges through
4 }0 i9 g' [1 Q > simple programming method to correspond with full-range analog Receiver
/ N( P; I5 ^& q# u) C" G. i- r, i > outputs (0 - full voltage).
, c( S5 [+ G& `- X+ S# K G >
1 t: {5 q, W0 M$ y8 J: Z > - Ability to configure and set sample rates for the inputs.
+ t1 I# h. t+ p' n& L0 a >
& _3 g/ g3 a# F" L/ K> - Digital output on Transmitter that turns on during the sampling period.
+ |* u% e/ e2 c8 j>
) q$ C2 T5 V# t4 O+ I2 U, o* O# f* \> - Ability to configure a power saving Sleep Mode in the Transmitter by
% |" e9 Q2 c* _/ D+ l% z, h6 R; P> both software control and input hardware control.
. L( c- U: A- C: a$ E>
. [" l6 `8 ^3 z1 A) J" b/ e> In order to configure the units, we would need a way to make the
+ M8 a1 r3 m5 l6 W > settings. This would preferably be from a computer terminal so that
( `3 ?3 }6 p# `" R9 E( X> configurations can be saved or easily duplicated for production volumes.
+ }6 D' @+ [) O5 n > The units should be small and compact with shielding, and able to mount
2 i7 |8 }: J$ J) u' R- v8 F' }& | > to a printed circuit board with header connector.
4 \8 Q# g' [; m3 X3 e& _; x>
9 ]6 ]3 @; o, |" ]9 I7 j> At this time, we are interested in samples of a pair of modems that
# k. L! D! x4 l> might be similar to this proposed system. We do not expect that you
- S! X0 q# u3 G0 c2 T > provide all of these specifications at this time. I can describe our
0 E+ t0 M+ E: t3 i6 N( l! S > immediate application needs in the next email if this project is of
" P9 a1 `, b4 P3 p> interest to you. Perhaps you can make the samples by those
; \: w8 t' z+ `; P7 V; K# J: F> specifications. This will allow us to test your radios before we move
0 h9 u, ?: \! c: L: S> forward. We are interested in your 900MHz radio to start.
- r# z; \; v6 X- f/ S% t$ `
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