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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

& a3 z. i' s# S% L2 {; ^ 客户要求如下,如果哪家工厂可以做,请和我联系
4 p: n9 y' o" l8 A" v > The application that we have in mind is similar to others that we commonly
( z5 }) u) J; V; K; @% J> have. If we were to pay for FCC approval, we would want to use the modem
" N0 o0 e) e# x& G > units in all similar applications under the same approval number.
" | F0 H! C$ V- z+ O( L/ |> Therefore, we would like to be able to configure the units to a specific
) b$ f/ c1 \. f) e2 R > application. For the business that we do, this approach will yield more
# P6 x0 W& g2 I8 S$ a3 D U# |/ T$ Q> sales based on the same product and approval. We are interested in the
. Q$ |: [# J6 H% j7 r- R) S> following specifications:
0 X) O1 ^+ |9 U( L3 E3 { >
2 F( _" }: _/ n& A> - 2 inputs at the Transmitter with three possibilities;
Q& N, A8 k, Q$ g> 2 analog
" }6 l# ]* A( u> 2 digital
$ b2 k5 c3 m* J> 1 analog and 1 digital
4 x+ U# D5 ~6 D >
9 f l. M$ `+ x6 x7 M > - 2 outputs at the Receiver with three possibilities to match inputs
& G* M6 `( I% \& k>
; r8 u0 F: z1 p1 {: t1 H! u > - Ability to configure/define analog Transmitter input ranges through
9 b( s9 f( Z( C1 }. t, \1 k> simple programming method to correspond with full-range analog Receiver
J/ ?5 M9 o. F! C> outputs (0 - full voltage).
" U) _! L2 k, ^/ C% c >
. P: ^. u3 e7 h3 Y> - Ability to configure and set sample rates for the inputs.
/ i# s- J4 w' F+ ?2 M$ A0 W8 ~ >
* T$ e2 X3 q; F) r% _: z> - Digital output on Transmitter that turns on during the sampling period.
1 O' H$ r8 |4 y& H" E; i# u>
7 c& u6 B$ Q& `7 D: {> - Ability to configure a power saving Sleep Mode in the Transmitter by
' ?3 s1 _" n3 ]; ]( G0 k$ @& ?> both software control and input hardware control.
9 D( i4 ~9 m& ~' T1 ~ >
* R% f( \1 n% T3 ^4 \! p/ f> In order to configure the units, we would need a way to make the
, A0 L3 b* z; E& G+ {$ \> settings. This would preferably be from a computer terminal so that
0 h# u- x! u( C* [9 u' a4 }% r4 f3 E> configurations can be saved or easily duplicated for production volumes.
, }7 O: ]" @8 `> The units should be small and compact with shielding, and able to mount
) k0 t, g- P) I% Z$ O' G, ?# C6 j% H> to a printed circuit board with header connector.
7 F8 G0 \) D, G6 J+ `' O>
* C& X5 H% c1 }0 T( G+ c> At this time, we are interested in samples of a pair of modems that
) [; s- v4 j/ Q! [> might be similar to this proposed system. We do not expect that you
" b2 w- _( ]% l> provide all of these specifications at this time. I can describe our
4 h7 z" q& [4 U/ I8 w > immediate application needs in the next email if this project is of
V b. `% t# i h% M! I! l> interest to you. Perhaps you can make the samples by those
6 }. [9 g# i% _ S1 j4 f1 F& l > specifications. This will allow us to test your radios before we move
2 r6 H" Y! l( C> forward. We are interested in your 900MHz radio to start.
$ l$ m3 ]; ] q1 L# ]2 o
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