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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

% @0 v! |- q4 L3 W2 `客户要求如下,如果哪家工厂可以做,请和我联系
4 M- j6 l; z. ?+ H5 r( ^. J> The application that we have in mind is similar to others that we commonly
* e: }0 A, b: V> have. If we were to pay for FCC approval, we would want to use the modem
! n5 t7 G+ f3 i% `> units in all similar applications under the same approval number.
. J6 h. z) \; Q8 n > Therefore, we would like to be able to configure the units to a specific
, {3 b3 K! z) { > application. For the business that we do, this approach will yield more
6 c8 N- Z9 J5 P# @> sales based on the same product and approval. We are interested in the
% D" r o9 G( [* I3 P2 A; h4 Z1 g> following specifications:
Z: s' ~- |1 C >
4 A! n3 o0 c/ R > - 2 inputs at the Transmitter with three possibilities;
" v7 n& }$ U" z+ J$ [> 2 analog
( J/ j& Z5 ^% b1 r- ^7 h: ~% x( [ > 2 digital
" N! w! R/ p6 [; S7 |. F8 A7 c> 1 analog and 1 digital
* s* i+ k; b9 ^8 r( i>
' ?/ Y; k. u/ h) n m > - 2 outputs at the Receiver with three possibilities to match inputs
# w$ C X2 U+ ? E >
3 m0 k |9 v0 V* o6 X> - Ability to configure/define analog Transmitter input ranges through
' r, a8 P, Q+ o4 ?> simple programming method to correspond with full-range analog Receiver
2 z; S( t, }- M) h > outputs (0 - full voltage).
# V3 y8 |: E$ k) j >
U3 \) ^ U+ H) t$ @> - Ability to configure and set sample rates for the inputs.
8 U& U0 N- J! C+ I1 c >
- ]2 Q: c: O+ K+ n4 s4 D( `- l > - Digital output on Transmitter that turns on during the sampling period.
) h' R6 `. t8 W: w>
4 _0 l7 b, A. E, \! }0 B3 M, Z4 n > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 \8 p- R! Y/ S. l- N > both software control and input hardware control.
8 ?. l: e6 h/ } >
+ u( i5 W' f/ J/ k5 G& S > In order to configure the units, we would need a way to make the
I- d) b8 U2 r+ Z2 Y# Z> settings. This would preferably be from a computer terminal so that
# l$ f1 W( s+ [8 @- @* ~0 A" o> configurations can be saved or easily duplicated for production volumes.
) n% p9 d0 [; h> The units should be small and compact with shielding, and able to mount
2 M! ] w9 s" S, m7 T' n > to a printed circuit board with header connector.
0 T- ^/ P' C* K>
0 e6 {' C, g) f' P, i> At this time, we are interested in samples of a pair of modems that
9 ^% Z" u8 P6 _5 p+ a > might be similar to this proposed system. We do not expect that you
: L0 H& c- _4 Y$ r. ]8 M > provide all of these specifications at this time. I can describe our
0 i" i( H) ^3 R; j7 k6 ` > immediate application needs in the next email if this project is of
% |0 @5 ?7 J- m* n; u> interest to you. Perhaps you can make the samples by those
" N! g' h5 G0 `, T; g/ f > specifications. This will allow us to test your radios before we move
; B) O T5 W7 ?3 Q* H3 ~3 Q+ a > forward. We are interested in your 900MHz radio to start.
! i- C& f7 D/ c" F2 V
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