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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

& V' [2 m$ o. y6 z 客户要求如下,如果哪家工厂可以做,请和我联系
4 ]/ u% R$ \9 A: ?* C4 ~ > The application that we have in mind is similar to others that we commonly
; r5 G4 r5 b& ]7 @" U. ~ > have. If we were to pay for FCC approval, we would want to use the modem
; U: W% K; e+ B. B- n7 M3 m> units in all similar applications under the same approval number.
$ }6 r! C U8 ^# s > Therefore, we would like to be able to configure the units to a specific
0 }/ ]& c* ^0 u5 J+ V> application. For the business that we do, this approach will yield more
+ @9 |* \( f: Z; x2 @> sales based on the same product and approval. We are interested in the
7 m( K% C1 U+ k! g* r) a2 O > following specifications:
& u& G4 W) d' k) i6 t>
( q8 r( T4 F( z% D> - 2 inputs at the Transmitter with three possibilities;
2 T: \. r) B1 R6 X# O- w% k7 z> 2 analog
" D8 ?2 p, U5 Z& X+ X4 x > 2 digital
9 e' X2 F: R: _ > 1 analog and 1 digital
6 {7 @; m! n4 a- @+ Z; F& p >
/ G7 U: k2 `4 J* H3 _" p# V > - 2 outputs at the Receiver with three possibilities to match inputs
+ ~9 v: Z @( w1 H4 N6 k( @& ] >
; `- H2 z2 E1 w1 S > - Ability to configure/define analog Transmitter input ranges through
7 g. }9 W9 [6 t9 Z2 m7 R" |> simple programming method to correspond with full-range analog Receiver
' a( j' x4 O; I, w5 @" a > outputs (0 - full voltage).
1 H, V C- E' E& y >
- n% x5 S1 a) V7 L > - Ability to configure and set sample rates for the inputs.
( N( o* ^+ j3 B5 D, Y% e>
' I: Z# T9 L8 Z- M. i > - Digital output on Transmitter that turns on during the sampling period.
% F0 B( {5 q3 Q1 y9 c7 a >
; B1 e" y. b3 @9 r8 k > - Ability to configure a power saving Sleep Mode in the Transmitter by
, g$ S6 A& J# k" B+ X/ M > both software control and input hardware control.
- \* A# m6 z9 {; k# T >
, B0 P+ \- C& `2 d, ` > In order to configure the units, we would need a way to make the
- }* x, q4 K2 d, c( r# r; l& V1 A+ m9 H> settings. This would preferably be from a computer terminal so that
: Y5 A" B/ a. ~ b > configurations can be saved or easily duplicated for production volumes.
/ n+ O6 r% v4 K5 o/ i R2 M> The units should be small and compact with shielding, and able to mount
^! a6 l7 r' M2 m/ I- D A> to a printed circuit board with header connector.
i7 ~% Y' B7 h3 {% A >
0 c7 T# A# l% ?+ X > At this time, we are interested in samples of a pair of modems that
7 z$ q% b" H* {/ w+ D( e' ^ > might be similar to this proposed system. We do not expect that you
- X4 v4 r) F: L2 d > provide all of these specifications at this time. I can describe our
6 C/ B8 t- s! `4 v! B) E> immediate application needs in the next email if this project is of
- u0 H f! @6 ?/ o> interest to you. Perhaps you can make the samples by those
3 S# R% d1 R6 L4 l > specifications. This will allow us to test your radios before we move
. S: C& e# X+ h% g2 L& f> forward. We are interested in your 900MHz radio to start.
5 V0 H# C4 B# H) ~9 _) [
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