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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

- @2 R! u% p; D+ b客户要求如下,如果哪家工厂可以做,请和我联系
; I: u, U' |) V) F& L4 d> The application that we have in mind is similar to others that we commonly
% ?0 R9 s. K8 P5 y8 Q > have. If we were to pay for FCC approval, we would want to use the modem
! L% r& D9 q, {4 _- q: y' B > units in all similar applications under the same approval number.
. i) Q' R! ~0 ]( [0 `+ M> Therefore, we would like to be able to configure the units to a specific
7 x8 u5 D6 b6 y$ E8 }& J4 |; g > application. For the business that we do, this approach will yield more
9 f7 D0 N) w' D) z, \, Q. e" y, I. [ > sales based on the same product and approval. We are interested in the
3 {6 S7 Y& N' ~, k> following specifications:
9 f: _: t9 H; U5 ^" u >
# K' R' t1 O; a> - 2 inputs at the Transmitter with three possibilities;
( \7 }2 _# U. K1 p" w > 2 analog
) k' c+ b# Y% ?/ k; ^3 A> 2 digital
" p5 Z3 S2 S- [, d; N" ]! A& x* j> 1 analog and 1 digital
" Z1 ]& X7 g8 s, W( ~- T >
% _; w) b5 r7 J. V+ c > - 2 outputs at the Receiver with three possibilities to match inputs
5 M8 _1 v1 _$ C" F>
p2 K( M/ |; L% ?( |6 Y8 B > - Ability to configure/define analog Transmitter input ranges through
5 J* S9 q& n4 t& r# Q > simple programming method to correspond with full-range analog Receiver
* J8 v# D$ _" F6 |* p: @' o1 q > outputs (0 - full voltage).
$ n7 I' `1 E/ P3 h >
/ k C9 o3 @' Q > - Ability to configure and set sample rates for the inputs.
, ^9 ~+ S& n! G/ V% i+ ]6 B3 M >
$ P% }1 |& V: k/ l8 Z/ @ > - Digital output on Transmitter that turns on during the sampling period.
' ~/ R; h2 ]7 w2 C. ~ >
' M; T. M8 Y: N' O/ U6 Z' _6 z> - Ability to configure a power saving Sleep Mode in the Transmitter by
. K9 ~& P) U# r+ o& ]* q$ w > both software control and input hardware control.
" d, i( }" _+ x) o0 N/ H>
4 P4 @" |( a$ j9 i2 c, q1 \9 A' t> In order to configure the units, we would need a way to make the
# `. S! z) C, R$ z. {5 j/ B* O2 ~> settings. This would preferably be from a computer terminal so that
# x& h$ y" O9 U- M0 \3 \> configurations can be saved or easily duplicated for production volumes.
* S$ F0 X! l( o6 O2 @) B> The units should be small and compact with shielding, and able to mount
7 o. h+ H+ H" e i: B8 e> to a printed circuit board with header connector.
% w- h4 s4 w% Q2 {/ Z2 U >
8 L& D. u* _8 F3 h l# _" e> At this time, we are interested in samples of a pair of modems that
+ D. }4 @/ R7 \; e _7 I> might be similar to this proposed system. We do not expect that you
3 r- ?, H0 [: T7 {3 w- t> provide all of these specifications at this time. I can describe our
$ f. ^- F8 t5 |* F > immediate application needs in the next email if this project is of
) `4 E4 f, O% `, e, z1 w ]> interest to you. Perhaps you can make the samples by those
3 b4 I0 w2 A7 Y# S# L > specifications. This will allow us to test your radios before we move
; o7 Z7 _# H4 U$ Y) I& E, i> forward. We are interested in your 900MHz radio to start.
7 W$ m, l# {; x
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