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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

9 b9 F N8 L/ k5 M 客户要求如下,如果哪家工厂可以做,请和我联系
& e. v( h5 }: M: s& B6 y0 }, D+ M> The application that we have in mind is similar to others that we commonly
; v: p+ T$ ~7 ?2 m > have. If we were to pay for FCC approval, we would want to use the modem
9 m& R/ ?9 S- F. u4 U> units in all similar applications under the same approval number.
" `8 C* O( j* ?+ U; N > Therefore, we would like to be able to configure the units to a specific
: |/ {6 \, V( g9 d" Z) v > application. For the business that we do, this approach will yield more
% O5 b2 z. t* c& ? > sales based on the same product and approval. We are interested in the
: h* y! `) h h% [. O( S5 S* z2 n > following specifications:
* P; i6 ~0 A4 m& l! i7 I>
* r7 X& I4 y2 y f- V9 ~ > - 2 inputs at the Transmitter with three possibilities;
$ F; B, a; D" t > 2 analog
1 B: _! z( M' u3 }. h> 2 digital
0 J |6 ~" A0 C4 j1 ^- n > 1 analog and 1 digital
) K0 D' z2 c8 ~! G9 H4 R: L. _ >
5 \: ^+ K* ] V! i) Q' v. a> - 2 outputs at the Receiver with three possibilities to match inputs
' B, N! F7 R7 V2 j) y: |/ U% H4 r7 h>
% U4 P$ G$ x8 }/ U/ f$ v! ] > - Ability to configure/define analog Transmitter input ranges through
. q& G& \- B: ?5 i1 i' V/ ` > simple programming method to correspond with full-range analog Receiver
0 v, \4 \5 y- L3 I$ D > outputs (0 - full voltage).
' a7 ?6 ?, e( J" O; n >
1 [- t% f: d; z) g" ` > - Ability to configure and set sample rates for the inputs.
& `' [5 `4 \6 c* W) y# [, U >
9 P8 T. a# o( k. g4 l! x4 e$ W6 K > - Digital output on Transmitter that turns on during the sampling period.
5 a4 s2 C) n0 ~2 W>
. c! S3 Q. ^% B9 q8 F: y1 @# o# z; N> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ a; K, d/ X2 j1 r > both software control and input hardware control.
9 P( _. ~. ?/ ~: k) w' W* r3 z>
* m' y/ S: F8 ~6 }8 F > In order to configure the units, we would need a way to make the
9 A1 t0 `6 s- H( W/ Z8 c3 |> settings. This would preferably be from a computer terminal so that
- H- x8 c$ L3 S+ p% h6 A! e> configurations can be saved or easily duplicated for production volumes.
' q+ d$ p. Z8 w7 z. l> The units should be small and compact with shielding, and able to mount
& ~2 F4 e' P' Q: P- v9 E> to a printed circuit board with header connector.
& N# q" e# ?/ q. g- {( m>
" [& v/ Z: o8 K; c9 y> At this time, we are interested in samples of a pair of modems that
) c; P, D! X. i: [# K+ [# t > might be similar to this proposed system. We do not expect that you
/ A8 s: h* a/ t > provide all of these specifications at this time. I can describe our
' k9 ^3 ^! m* l. z" E5 E > immediate application needs in the next email if this project is of
; |2 r% s4 U2 w8 p> interest to you. Perhaps you can make the samples by those
' d2 ]- j: b2 ~ ^! f) U > specifications. This will allow us to test your radios before we move
$ c& l) i) v) o% B5 I > forward. We are interested in your 900MHz radio to start.
9 V% U f1 B% D& P* V4 G l: h1 n
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