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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

8 h$ a) m% Q W' T7 N6 k9 A客户要求如下,如果哪家工厂可以做,请和我联系
1 D8 X* p0 {) p+ i |" l > The application that we have in mind is similar to others that we commonly
7 s! c2 h" ^3 i9 s, W> have. If we were to pay for FCC approval, we would want to use the modem
8 C9 u8 ?# M) \4 _0 g$ \( A > units in all similar applications under the same approval number.
) Y3 h M5 L- c: _" \6 \5 a+ b( B& N( X> Therefore, we would like to be able to configure the units to a specific
* N7 i: M, k3 |6 l8 I5 j4 V/ ~> application. For the business that we do, this approach will yield more
- d% g, ^8 n3 J! ]& g > sales based on the same product and approval. We are interested in the
2 Q$ r, Q* y* e& P( C3 S' m> following specifications:
! I$ z. o: L* x: M% J>
3 o, i, b0 [7 w# F6 I > - 2 inputs at the Transmitter with three possibilities;
) L6 w( m; A) U% T& Q > 2 analog
2 N- _. p8 W$ c- s+ ?" {1 @> 2 digital
& I! _. \% b9 C4 I > 1 analog and 1 digital
0 r& Y, H8 [ ?9 g) u1 D>
! a/ K K. q; z2 _7 ^$ D. h > - 2 outputs at the Receiver with three possibilities to match inputs
& s2 w" r' G) P* ~ >
S6 Z9 k& @& _9 r' V! l* P > - Ability to configure/define analog Transmitter input ranges through
8 x. h/ D6 L# `* g% N. v > simple programming method to correspond with full-range analog Receiver
& l( Q7 ^1 V6 n > outputs (0 - full voltage).
1 X, N& P5 _* n6 u >
3 s3 c5 E6 @$ G$ }+ J > - Ability to configure and set sample rates for the inputs.
P e/ T+ U' C>
6 }. e. a% \8 I- W > - Digital output on Transmitter that turns on during the sampling period.
" o6 A7 F" R* T! O3 E>
# q3 O8 O7 t" q4 `5 m$ l. H2 Z> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 ~! A) ^$ {6 {1 b, Q0 x > both software control and input hardware control.
$ [2 N5 B& z. y# i" N9 U>
! G$ W& L2 O2 j) y& n% G> In order to configure the units, we would need a way to make the
$ b$ H! X. P L' Y, b! E4 u > settings. This would preferably be from a computer terminal so that
7 S0 Q' t5 }' u> configurations can be saved or easily duplicated for production volumes.
. L9 f8 r0 |3 `6 a' D > The units should be small and compact with shielding, and able to mount
0 e4 ~, @' f! _: q> to a printed circuit board with header connector.
6 |' L% o3 F2 m3 B& O* F1 r" | >
8 n5 P& G+ l7 Z5 E, L) k$ j > At this time, we are interested in samples of a pair of modems that
' b% g* r: s/ { L a# q> might be similar to this proposed system. We do not expect that you
, Y: F b5 C. i% i9 U# r1 V. U> provide all of these specifications at this time. I can describe our
( s" }- Q2 {/ M2 I8 _ g$ C > immediate application needs in the next email if this project is of
% t8 e- q& _3 {$ H( p) z > interest to you. Perhaps you can make the samples by those
) I6 E" p: t6 I* T > specifications. This will allow us to test your radios before we move
! k- z! E, Y: O( P* u> forward. We are interested in your 900MHz radio to start.
, j' @* I$ w+ c {' \
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