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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

7 q5 q- O. g% N, r7 f 客户要求如下,如果哪家工厂可以做,请和我联系
( A7 r, N' V% S/ v; f, B1 j- t> The application that we have in mind is similar to others that we commonly
4 l. s0 g4 z; l) O > have. If we were to pay for FCC approval, we would want to use the modem
+ l! z# X9 h- e > units in all similar applications under the same approval number.
& I& O0 d$ f! A > Therefore, we would like to be able to configure the units to a specific
0 q6 P t9 _7 K0 I > application. For the business that we do, this approach will yield more
3 ]! z* E$ J, \% K+ j> sales based on the same product and approval. We are interested in the
: {8 d6 J8 z# T5 K2 ?" z8 q X$ B, h> following specifications:
. Y9 `1 G6 e7 W >
5 ~; k% |4 L9 v1 U# k9 D > - 2 inputs at the Transmitter with three possibilities;
: B/ u a' j3 Q> 2 analog
l& ]3 O' J8 ~* {" x> 2 digital
- a- y! [ l( U/ F> 1 analog and 1 digital
3 G% Y# @7 Z& m5 K3 ~5 h( }>
: Y4 L% W; X; B- ~> - 2 outputs at the Receiver with three possibilities to match inputs
2 P/ F7 w4 Y$ y( ^6 W>
0 z" Q3 P" Z4 Z1 O7 V) M> - Ability to configure/define analog Transmitter input ranges through
* i1 J: I3 x, z2 M> simple programming method to correspond with full-range analog Receiver
( n% }3 {& S( R3 Y o/ }$ t> outputs (0 - full voltage).
4 U" g F4 O5 v>
% K5 S( ^9 D, M% N [ > - Ability to configure and set sample rates for the inputs.
$ o& W3 K9 |; V# V/ p/ F& ?& b8 ^ >
2 J: S* {- @) Z- o> - Digital output on Transmitter that turns on during the sampling period.
( t# c% ~' K+ N4 ~- \% O+ `% ]>
) x" ^' B1 R) g3 ? > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 L* z9 s7 g I2 X' y7 k; [ > both software control and input hardware control.
$ ^3 f _, _( W- L" V& ] >
7 C( W; k' L+ a( y L p6 K > In order to configure the units, we would need a way to make the
1 u4 n$ `5 K( D3 a# z# X> settings. This would preferably be from a computer terminal so that
$ w+ _1 B% Y0 v: R > configurations can be saved or easily duplicated for production volumes.
- e+ c" @0 D# {# O) `0 ]> The units should be small and compact with shielding, and able to mount
5 G) f4 c# I0 Z' O4 M- B > to a printed circuit board with header connector.
1 Q E! M: I% ^>
+ A! d* {1 {0 J > At this time, we are interested in samples of a pair of modems that
2 I* l0 O. F Y" S; ^( t) |' k. {3 I > might be similar to this proposed system. We do not expect that you
* M6 u( O8 Y3 G: V! i: T/ Y' ^> provide all of these specifications at this time. I can describe our
, N8 y" W8 g& r > immediate application needs in the next email if this project is of
5 t% ^% P2 M$ o- r0 J- c1 N9 p n8 Y > interest to you. Perhaps you can make the samples by those
}7 P1 \& Y e+ c" p& ?> specifications. This will allow us to test your radios before we move
% ]; C4 e) E0 D& L E# d > forward. We are interested in your 900MHz radio to start.
" \4 w0 Q/ W8 N+ ?# i% }* a. n2 J
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