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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

- ?; b4 Y0 x: p8 C- E) `$ U4 {+ ~ 客户要求如下,如果哪家工厂可以做,请和我联系
6 ?: B: J, w4 d6 @# D> The application that we have in mind is similar to others that we commonly
5 L) G0 K; z; ]4 m8 O > have. If we were to pay for FCC approval, we would want to use the modem
/ _) r% p4 h: O. n# R: F$ u> units in all similar applications under the same approval number.
3 b, E. o& n3 a> Therefore, we would like to be able to configure the units to a specific
2 \+ i8 p0 I4 R4 H* A > application. For the business that we do, this approach will yield more
6 X: U% ]( `4 b! Q0 |; e- O( b& ? > sales based on the same product and approval. We are interested in the
( Y7 E1 }6 ^+ G: ^! ?& ^6 o w8 [# N: B > following specifications:
. E4 M. w: P7 ^& g; N, E$ q >
4 H' d7 U. P9 E6 `* h$ o% s4 k> - 2 inputs at the Transmitter with three possibilities;
n* R1 U5 P$ |2 o > 2 analog
4 ]1 a& `2 }9 Z& _ > 2 digital
$ N9 Q( G, v5 m2 t0 P7 S, h$ h( X/ L > 1 analog and 1 digital
5 B6 C) ]* D# m! U/ V& B. ] >
8 v4 F4 w. f* g) Z2 d: b > - 2 outputs at the Receiver with three possibilities to match inputs
5 }% ?: g6 Q* U) T>
+ e+ C Z( [. i9 s# S* r > - Ability to configure/define analog Transmitter input ranges through
; Q S3 b ^- u) Z, r> simple programming method to correspond with full-range analog Receiver
7 l+ O d, V6 G" e5 o# G7 q3 w; ]> outputs (0 - full voltage).
! c Q( r# C3 f( q6 Q# Z6 O& E >
& H* e4 A+ Q4 ?' K% B: Z> - Ability to configure and set sample rates for the inputs.
2 c: h! L) F8 \* a>
, \ s# s, T) ?6 G( P> - Digital output on Transmitter that turns on during the sampling period.
5 E8 t# g$ `6 ~ >
1 }' g# K$ `8 f> - Ability to configure a power saving Sleep Mode in the Transmitter by
; b1 C3 ]: G' Q" Q> both software control and input hardware control.
+ v/ {" w0 D4 A% u; I >
3 O" ?1 X1 E: b: f > In order to configure the units, we would need a way to make the
/ j: P4 @/ T8 k/ J- \( w" X > settings. This would preferably be from a computer terminal so that
+ k9 y! E. u2 Z8 k; `. M" ]" N O, }" l> configurations can be saved or easily duplicated for production volumes.
6 \1 _4 l: [" b5 `" U > The units should be small and compact with shielding, and able to mount
! e0 E# R0 x' N, [* O. O$ S > to a printed circuit board with header connector.
* ^. i' b9 S2 W& _8 O>
+ y5 j3 {2 |1 a3 k; a! W> At this time, we are interested in samples of a pair of modems that
, x& z6 }& C, G2 R! R6 j7 e > might be similar to this proposed system. We do not expect that you
; g$ q' S( G( f& G > provide all of these specifications at this time. I can describe our
2 e5 i* I, m- n! G6 Z> immediate application needs in the next email if this project is of
; R% n u' v1 B, S > interest to you. Perhaps you can make the samples by those
# m# C8 B6 z7 ]" s! _> specifications. This will allow us to test your radios before we move
$ ^4 R9 K4 {* Y7 J' t > forward. We are interested in your 900MHz radio to start.
+ j! `! A9 G' C) w1 ` }
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