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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

( T1 {8 v- }# h; ?客户要求如下,如果哪家工厂可以做,请和我联系
4 p8 A. p, O4 C2 _+ r/ t > The application that we have in mind is similar to others that we commonly
3 y/ L9 E5 V6 h/ M3 l6 K> have. If we were to pay for FCC approval, we would want to use the modem
2 Y$ b, t3 W# Q; L; t- j> units in all similar applications under the same approval number.
9 Q+ F1 c" ~" g$ P4 t/ N) B> Therefore, we would like to be able to configure the units to a specific
$ @$ H8 x& }* P3 O0 F: G0 N> application. For the business that we do, this approach will yield more
) Y& L, a4 @& F> sales based on the same product and approval. We are interested in the
+ }# s2 M; g' z$ N+ U> following specifications:
+ B% }2 v \( u0 _, U>
& g4 f) _6 ]6 |> - 2 inputs at the Transmitter with three possibilities;
0 c5 E$ T. y& L > 2 analog
8 l+ j2 Q6 T7 K. u) |# j7 ~ > 2 digital
; `3 y* j# R% N; M7 `> 1 analog and 1 digital
6 `6 a4 v* g i* U9 M1 R H >
; M ]) ~9 L0 G7 M4 w! Y > - 2 outputs at the Receiver with three possibilities to match inputs
; k. O. X4 d* ~ R>
3 H. s9 R! a( r( R0 [, t > - Ability to configure/define analog Transmitter input ranges through
. e3 W" E+ s5 q F) {: N$ v( p > simple programming method to correspond with full-range analog Receiver
/ i" G' C# Y" |3 S9 v- G8 j, F > outputs (0 - full voltage).
: f+ [4 Y( k1 F, X+ b >
6 ?$ l8 V1 i; R/ u: i/ i, S+ c> - Ability to configure and set sample rates for the inputs.
1 ?6 W) e4 e( L0 }& D7 n >
: l2 w, H# L$ h, m$ g+ N+ d: I > - Digital output on Transmitter that turns on during the sampling period.
( {2 q6 Z3 D3 V$ W>
9 W0 I, V" I5 @: J > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 p H' E, \+ E3 g- g* c > both software control and input hardware control.
- w2 k& Q8 C" I8 ]>
+ t* p) @; P$ e > In order to configure the units, we would need a way to make the
6 ]* j+ a% S/ j' j> settings. This would preferably be from a computer terminal so that
$ E( d9 g! E# E5 P; p1 H> configurations can be saved or easily duplicated for production volumes.
/ { [: X, I( V( j/ M. g > The units should be small and compact with shielding, and able to mount
' D( R4 U1 D& u. R1 m> to a printed circuit board with header connector.
+ r8 _1 q% e# ?6 p+ O>
+ ~; ~/ h3 u7 N( x' |& O: i2 y > At this time, we are interested in samples of a pair of modems that
9 O: u+ R+ G& u: L0 U* x > might be similar to this proposed system. We do not expect that you
2 c( V2 H! U; s3 M5 C& a > provide all of these specifications at this time. I can describe our
2 ^: n* \. f8 C0 D' T, q: Y" n> immediate application needs in the next email if this project is of
$ A8 f9 z0 C r6 d3 x: u > interest to you. Perhaps you can make the samples by those
/ v5 b" a+ E/ U' I, Y3 v> specifications. This will allow us to test your radios before we move
5 f/ L6 f- T7 e5 @0 r, l> forward. We are interested in your 900MHz radio to start.
6 D) @1 i3 f' _+ y8 s7 D
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