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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. ^3 D9 g/ B$ E客户要求如下,如果哪家工厂可以做,请和我联系
; E0 @1 e9 o: s: F/ J9 N> The application that we have in mind is similar to others that we commonly
) J& |% {; y' z6 H* ]1 A( J > have. If we were to pay for FCC approval, we would want to use the modem
( u5 |/ j, j6 ~: b> units in all similar applications under the same approval number.
) u5 O: b: I/ R$ C: e> Therefore, we would like to be able to configure the units to a specific
& Q3 f7 `" P0 N, D3 e# b > application. For the business that we do, this approach will yield more
/ h4 M7 }3 t8 c5 J- _2 J> sales based on the same product and approval. We are interested in the
+ G. j+ o. p" e& t/ ?5 s! G* W; M > following specifications:
' B% ]- B7 O/ F* J>
# {8 j! p+ j8 n! [: q, C7 f" Z& Z> - 2 inputs at the Transmitter with three possibilities;
% W& p) H+ V0 `1 Q, A. B> 2 analog
) E8 ?4 Y3 k, ^; C/ |> 2 digital
( o5 Z/ v0 p% d7 c2 X+ |> 1 analog and 1 digital
, I- M; x* W0 h, ~( x1 s$ F3 u>
, J) q6 D w1 |) w> - 2 outputs at the Receiver with three possibilities to match inputs
' B2 y2 ]5 U! d>
/ ]. X; c: I7 O, K+ q> - Ability to configure/define analog Transmitter input ranges through
: i& c: x3 ~- ~4 B, [> simple programming method to correspond with full-range analog Receiver
! e) O2 b L5 U6 _ F/ L> outputs (0 - full voltage).
3 t/ n; D$ Z* M% \" F( v >
, W& r$ q. f/ Q9 l > - Ability to configure and set sample rates for the inputs.
) S9 T3 a# ^9 I' u5 J% c0 o >
/ `- O3 L1 P" i' s > - Digital output on Transmitter that turns on during the sampling period.
; T* W9 T4 z5 u0 q! v Q! a8 P >
/ d& Z* W0 Y. m6 k4 W* T9 l' W" U > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 P9 G& x1 _: Z& J7 J& _ > both software control and input hardware control.
1 [/ v+ d- X, U# w/ R >
7 Q* d3 w" _ s% E: C4 }8 k> In order to configure the units, we would need a way to make the
# P* j7 ^/ Y' J8 r5 D> settings. This would preferably be from a computer terminal so that
; h' y0 g0 T$ b8 O, G > configurations can be saved or easily duplicated for production volumes.
" i3 T0 L6 O/ h* K, u$ T > The units should be small and compact with shielding, and able to mount
" S& m# n+ @; k: {! I) X > to a printed circuit board with header connector.
# Z4 y) f9 q1 q- J>
' i# e% r( f- x+ \2 Y h3 ?> At this time, we are interested in samples of a pair of modems that
9 A1 K. W2 P8 `0 L% g; S> might be similar to this proposed system. We do not expect that you
1 \$ _- E/ b$ I8 f8 S > provide all of these specifications at this time. I can describe our
% t9 O2 N+ b8 ^5 x > immediate application needs in the next email if this project is of
3 D$ ?" ^. r4 F& m: _ F; Q" D) f: V> interest to you. Perhaps you can make the samples by those
1 u9 m. B* ~1 \9 s$ w6 I > specifications. This will allow us to test your radios before we move
% m: i6 n; v, R0 W6 f+ ?4 B6 k5 E > forward. We are interested in your 900MHz radio to start.
. N1 U5 Y$ l8 v' k8 R- e9 w
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