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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

& J- q% X, g6 d# i, g0 k客户要求如下,如果哪家工厂可以做,请和我联系
/ T! k* m- g9 r( z p; S8 ^. u > The application that we have in mind is similar to others that we commonly
) t5 m* W, N& x4 m, ~1 }0 C- K> have. If we were to pay for FCC approval, we would want to use the modem
) i2 h! @9 t* Y! [. S> units in all similar applications under the same approval number.
4 H. Q; @2 ]* k> Therefore, we would like to be able to configure the units to a specific
9 N' J, m* t4 \( i0 h4 W; d6 ? > application. For the business that we do, this approach will yield more
7 C0 j/ S# u& t5 { > sales based on the same product and approval. We are interested in the
. C0 h3 i6 `8 A4 W8 |> following specifications:
5 P( b6 [/ l4 O7 I" A' o>
3 C- ]! ]; R5 O( X$ l > - 2 inputs at the Transmitter with three possibilities;
# ^/ P/ u, h3 v5 k8 f > 2 analog
" F% W0 @0 I" U/ L% n6 m* ] > 2 digital
" h1 u9 J0 y7 K U e% A' n> 1 analog and 1 digital
4 u0 m( H } ?& y7 m( G# r$ V$ I>
0 r3 R* Y7 t3 Z5 f0 {! _> - 2 outputs at the Receiver with three possibilities to match inputs
8 [# v4 S5 b: x8 }+ s, L/ F5 c>
6 e* u3 d" Y) j> - Ability to configure/define analog Transmitter input ranges through
# @, l1 j( g1 _8 r1 f* y3 ]" p > simple programming method to correspond with full-range analog Receiver
, A3 c: D4 m1 p> outputs (0 - full voltage).
5 x) u3 [+ @* g2 j: \$ z >
$ w4 X) r @9 B; T2 x0 [ > - Ability to configure and set sample rates for the inputs.
1 `' \+ {- G6 ]0 v; q3 n3 S >
' H" W5 I0 X$ U$ I n > - Digital output on Transmitter that turns on during the sampling period.
) {$ T3 \3 Y. z7 x$ c& C7 {>
* u, T/ |6 _ h7 g } > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 j, g7 q) p$ b> both software control and input hardware control.
1 J5 `* ?) a, E% `- c( d9 A >
0 W1 H7 \4 X% z7 z& h& c> In order to configure the units, we would need a way to make the
" c& C9 v& _+ F W5 s; J# Q > settings. This would preferably be from a computer terminal so that
+ s+ F) Z0 c$ G6 L9 Z3 K4 A$ X> configurations can be saved or easily duplicated for production volumes.
6 Z# p0 ?1 T9 w( y% L> The units should be small and compact with shielding, and able to mount
2 d7 c- B6 B$ w+ v > to a printed circuit board with header connector.
) O( S/ \* [+ }>
3 D: B; P# Q; \. c! s8 e > At this time, we are interested in samples of a pair of modems that
, U4 S7 }! k- m+ C! o > might be similar to this proposed system. We do not expect that you
7 E! r6 a9 g& i9 k0 L0 i > provide all of these specifications at this time. I can describe our
' }! b3 ^: ~& `! [6 Y6 } > immediate application needs in the next email if this project is of
& Q# l0 ^* K7 A8 u2 {/ E9 E( \ > interest to you. Perhaps you can make the samples by those
. ~1 b' G$ S2 s: F4 c> specifications. This will allow us to test your radios before we move
6 R0 a) [6 A* B> forward. We are interested in your 900MHz radio to start.
5 A9 Z: M6 L8 e! x7 n6 |& H
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