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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

6 \4 D3 y8 j6 G! f5 J- I- D 客户要求如下,如果哪家工厂可以做,请和我联系
' E2 c% ^7 B5 R) j# w/ t! w# z> The application that we have in mind is similar to others that we commonly
+ G6 {1 T. Y' j- d> have. If we were to pay for FCC approval, we would want to use the modem
; S; {$ ]* `! _& X> units in all similar applications under the same approval number.
+ I( D7 r+ G% m> Therefore, we would like to be able to configure the units to a specific
1 D( j& O% L3 x* m > application. For the business that we do, this approach will yield more
/ d1 x% L& r6 ~" W" ^, ] > sales based on the same product and approval. We are interested in the
8 n/ ~+ @3 V# J P/ Q> following specifications:
! E5 g: ?6 S8 H8 v- K>
% B# X8 G. W; A+ y8 [% T: W> - 2 inputs at the Transmitter with three possibilities;
7 w3 |- f3 `( f8 f! U5 z > 2 analog
& S5 `6 Y- z0 t9 U> 2 digital
/ s1 V5 Q6 I2 b6 Z3 z" o> 1 analog and 1 digital
" [% J0 G6 k9 b/ @: ~* g>
5 m8 O9 w" d/ N) T/ c+ U, Z) Z" ` > - 2 outputs at the Receiver with three possibilities to match inputs
9 e% {$ P/ @7 m >
$ @* V7 @% |) ?1 {6 Y > - Ability to configure/define analog Transmitter input ranges through
; h5 W% b9 ]) u3 q) e/ d> simple programming method to correspond with full-range analog Receiver
1 c/ H: Y/ m% v" j# e: f* _, Q! Z/ p > outputs (0 - full voltage).
8 A7 |- ?8 `1 e>
( B# i2 F/ l0 z) a> - Ability to configure and set sample rates for the inputs.
6 m! U3 f3 g, |2 P4 s>
+ B: m0 {8 w+ _# q# j/ b# L> - Digital output on Transmitter that turns on during the sampling period.
- u S3 N' t3 E8 C5 y+ ?5 d >
$ H7 a9 k$ B1 o! }+ n > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 v v3 U* i7 |5 g$ a > both software control and input hardware control.
[: a0 J: T3 ?' D5 h+ F0 @* `$ o>
7 d8 k* h' q0 f> In order to configure the units, we would need a way to make the
' e. w R. k. X" b2 P" e> settings. This would preferably be from a computer terminal so that
; L" _2 z) z" }: T" L! f> configurations can be saved or easily duplicated for production volumes.
& d% y1 a$ W+ i9 T7 v" O& K. U> The units should be small and compact with shielding, and able to mount
5 G# n+ z! w9 E1 a4 y( W8 y: ` > to a printed circuit board with header connector.
- Q2 p1 l) \$ e4 A>
- ^, b/ @' N5 B: e$ m > At this time, we are interested in samples of a pair of modems that
t! O' k+ }& J% I> might be similar to this proposed system. We do not expect that you
% Z2 r/ ^" c' a; ?1 [4 z) @" l, c > provide all of these specifications at this time. I can describe our
. y2 }% {$ o$ w0 H> immediate application needs in the next email if this project is of
) J1 s7 k H; { > interest to you. Perhaps you can make the samples by those
$ Y4 l* l+ c& T& c: j, ~% } > specifications. This will allow us to test your radios before we move
8 y2 _. H( x$ P: F8 A' ^9 ]> forward. We are interested in your 900MHz radio to start.
+ l/ a* _0 K, l" d+ I8 v
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