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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

1 @) ]- j+ E4 n 客户要求如下,如果哪家工厂可以做,请和我联系
3 ~0 h& K. Q& v, i b> The application that we have in mind is similar to others that we commonly
4 n6 `# G9 K7 t0 U4 S" R> have. If we were to pay for FCC approval, we would want to use the modem
! Q- [3 f2 B1 f2 R( g" f' v > units in all similar applications under the same approval number.
/ D' R# s2 O) d. f. S+ S: h; T; r > Therefore, we would like to be able to configure the units to a specific
1 w x' G4 D5 ?" q; S > application. For the business that we do, this approach will yield more
' t6 @& @" N. i+ {( e > sales based on the same product and approval. We are interested in the
! L5 W2 g! z& x6 P> following specifications:
" e% l J- S. i' ~& x* g4 T >
& q$ C5 p! q( q > - 2 inputs at the Transmitter with three possibilities;
! }6 M" e) ^7 A8 d# y > 2 analog
1 D$ A, Y( g5 f- A7 P > 2 digital
, E" o. k w8 z' z4 F5 \ [% j# q4 w > 1 analog and 1 digital
8 T; _, C- ]+ J/ C; n1 X >
, o1 q( E4 {. v- `. L( z% E }. P9 x> - 2 outputs at the Receiver with three possibilities to match inputs
' Q* ~2 S3 B8 n/ v>
" J, i! }6 I5 G > - Ability to configure/define analog Transmitter input ranges through
) N) x7 r: @2 V/ Y( R# U# ] > simple programming method to correspond with full-range analog Receiver
3 l: ?3 t& H( t > outputs (0 - full voltage).
9 `$ ~. K: A& z6 I >
, m/ t/ o( q/ v% Y1 P3 v) v > - Ability to configure and set sample rates for the inputs.
! W6 ^8 Q8 q( @>
& o6 r4 m! P8 y& U > - Digital output on Transmitter that turns on during the sampling period.
4 p& \9 n# r# @3 I2 n>
7 L2 M7 c% I$ o, w, l/ l; A( r > - Ability to configure a power saving Sleep Mode in the Transmitter by
; w7 ^: E/ k1 ]4 }5 D3 v> both software control and input hardware control.
/ j; C/ y x9 K0 w4 p >
$ c4 F3 y ]$ i4 F; ^ > In order to configure the units, we would need a way to make the
& t& f, Z4 Z$ Z> settings. This would preferably be from a computer terminal so that
0 j3 |* @4 t7 Q2 o > configurations can be saved or easily duplicated for production volumes.
+ l# ^8 Z0 a4 B/ V( e > The units should be small and compact with shielding, and able to mount
* D9 R! [+ U9 s9 z > to a printed circuit board with header connector.
; w, X! }1 A3 w" q >
3 I3 K# d' g1 x) d; m, Z > At this time, we are interested in samples of a pair of modems that
7 p" c8 ] O" ^- Q8 B; e > might be similar to this proposed system. We do not expect that you
5 `8 a \6 R1 }% r& r6 L > provide all of these specifications at this time. I can describe our
4 Q( v$ V1 X8 T, G g; I2 [' z> immediate application needs in the next email if this project is of
# d$ \+ ^0 G" h( I R > interest to you. Perhaps you can make the samples by those
7 K$ q$ ~% M$ ?1 G8 s > specifications. This will allow us to test your radios before we move
9 w! m& }; n* j F> forward. We are interested in your 900MHz radio to start.
& M8 i1 `8 U* a/ o0 N9 Q
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