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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 s( {. c) y3 Q0 _ 客户要求如下,如果哪家工厂可以做,请和我联系
, Y; _# J6 _0 a5 i> The application that we have in mind is similar to others that we commonly
+ r. W0 N. X& C/ D: v3 o > have. If we were to pay for FCC approval, we would want to use the modem
. U7 G1 T/ p, {9 u- ^ > units in all similar applications under the same approval number.
+ q* x; t! }3 R4 d8 g, q% ?6 U > Therefore, we would like to be able to configure the units to a specific
8 J3 p' r* K; O6 L > application. For the business that we do, this approach will yield more
8 W- F1 `8 l$ |> sales based on the same product and approval. We are interested in the
1 T& M, z: V; v8 d# F) l > following specifications:
9 K" p7 n! Y0 F5 S- v >
& D2 w, \5 W+ @' \, I7 c Y > - 2 inputs at the Transmitter with three possibilities;
/ h0 y9 U- u# R4 V > 2 analog
S6 f2 e" P3 f/ i' y0 | > 2 digital
% E! S- ~; Y# D( K > 1 analog and 1 digital
* J8 C9 s3 d$ ~0 g >
; ^5 i, N! a; r7 }> - 2 outputs at the Receiver with three possibilities to match inputs
2 e p4 G1 i5 W5 `& G. V. o! w >
# F0 ~9 j0 e/ ` > - Ability to configure/define analog Transmitter input ranges through
5 @, U d6 M. ^3 R> simple programming method to correspond with full-range analog Receiver
% A" Z: H Q# P% W/ k > outputs (0 - full voltage).
. {9 i7 A0 f% ~- d* z" b8 t0 v$ {6 J) P>
- y+ v+ ]4 S0 l8 |: m. O% r> - Ability to configure and set sample rates for the inputs.
! r3 x/ J. A7 L >
8 U8 J9 _& d$ f' b: O# U> - Digital output on Transmitter that turns on during the sampling period.
8 M, N' J. ?. { >
$ a: v4 l. s5 c7 \: I > - Ability to configure a power saving Sleep Mode in the Transmitter by
& c7 d, m7 j7 q; P! H > both software control and input hardware control.
! h+ C6 M+ `3 E3 K* {>
) C a/ s8 y# Z' ]* ^" [) W7 W > In order to configure the units, we would need a way to make the
6 h# ?- u0 r( i/ x+ b& L3 T2 r> settings. This would preferably be from a computer terminal so that
+ D) o2 h) v6 {! e> configurations can be saved or easily duplicated for production volumes.
7 k- z t9 O5 ^ M3 w > The units should be small and compact with shielding, and able to mount
/ A8 Z7 Z- F2 x4 b* R9 y# H6 G> to a printed circuit board with header connector.
+ A8 B; \& u) V# @4 U: E, G4 r >
: E S* Q5 _4 f2 p' q > At this time, we are interested in samples of a pair of modems that
% v. u6 G) C% n' ^5 C+ c> might be similar to this proposed system. We do not expect that you
! y5 Z7 ] g7 I# W% [/ z: ]8 ] > provide all of these specifications at this time. I can describe our
/ C- ^" S/ @, u$ z2 W1 I> immediate application needs in the next email if this project is of
: x( } @5 H" f) X1 }# g > interest to you. Perhaps you can make the samples by those
% ?5 Q6 P* |0 d5 A> specifications. This will allow us to test your radios before we move
3 c4 p- e: L: t+ m6 x9 ?0 W> forward. We are interested in your 900MHz radio to start.
- Q! S `, X' `2 `
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