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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

. u% p5 b1 R/ }2 Q客户要求如下,如果哪家工厂可以做,请和我联系
8 V2 g. B: z- _* ~% c* K2 q$ {( H, J> The application that we have in mind is similar to others that we commonly
/ B* m6 U8 e6 m6 \4 l2 R > have. If we were to pay for FCC approval, we would want to use the modem
8 E1 O- `7 h5 d, |0 P9 l# u > units in all similar applications under the same approval number.
3 R! F- G& U( i4 I5 D3 b0 A > Therefore, we would like to be able to configure the units to a specific
) x( d% d" F! O. \5 d) }> application. For the business that we do, this approach will yield more
4 U( }. ]' Z3 n> sales based on the same product and approval. We are interested in the
( W9 _7 [8 N) s) v > following specifications:
2 I5 U* g) }1 q+ `- |7 k>
v: t: X3 @: u3 n- S7 I, I6 b! [, J > - 2 inputs at the Transmitter with three possibilities;
* |" m* q* ]1 f$ O1 I/ O- O> 2 analog
1 g. V6 U2 A, t" G! W6 Q> 2 digital
. L& V. c# |: W. m" |, v* e > 1 analog and 1 digital
2 E; y/ m5 c. f! s6 K/ u>
3 K9 f& O+ D: Y6 Q. C> - 2 outputs at the Receiver with three possibilities to match inputs
/ g2 N2 O* ?& P) j3 R/ q. u5 l>
. p( b$ I' p3 g! v9 z > - Ability to configure/define analog Transmitter input ranges through
/ [ ?- P1 i3 H1 l+ _" ` > simple programming method to correspond with full-range analog Receiver
! D! {; D' s r> outputs (0 - full voltage).
2 ^2 f, z2 J' U7 v, {>
) z8 z$ C; c+ [ > - Ability to configure and set sample rates for the inputs.
1 O! F0 g7 T, \) A >
1 ~( ~5 E# I* F8 [1 B > - Digital output on Transmitter that turns on during the sampling period.
) Z5 G3 C! p% U' z>
& F8 ]! u1 f; K0 l. | b( M- s' l > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 z ?/ W8 _+ t. R8 k* I > both software control and input hardware control.
7 s: i$ w3 n h>
7 b1 m. p- Q8 H3 L! F# g; }2 O > In order to configure the units, we would need a way to make the
/ f$ h& K6 J, J% J9 q> settings. This would preferably be from a computer terminal so that
K+ c2 i' d( U> configurations can be saved or easily duplicated for production volumes.
4 P# m. L, @5 \8 T4 _; }5 T* ]. }> The units should be small and compact with shielding, and able to mount
8 ?1 @: {6 B% e> to a printed circuit board with header connector.
8 k% g9 o b j: u2 [* N >
* d3 o' p3 J' r) { > At this time, we are interested in samples of a pair of modems that
! X& a8 w" S4 V8 G/ h$ j9 \; w: Z > might be similar to this proposed system. We do not expect that you
% k" J/ U( {: E3 P* r( o> provide all of these specifications at this time. I can describe our
( N3 j) F* k& k> immediate application needs in the next email if this project is of
: K2 {! g9 p! ?* |/ w1 x; T > interest to you. Perhaps you can make the samples by those
: o9 N# P$ r7 l. F: ]- P5 J> specifications. This will allow us to test your radios before we move
) z" F: b- h2 i- b' O' ? > forward. We are interested in your 900MHz radio to start.
( w9 }: w9 `; n2 I' M
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