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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

! N) ], C# j$ w( t 客户要求如下,如果哪家工厂可以做,请和我联系
' [- [9 R Y5 F1 ?7 K3 C > The application that we have in mind is similar to others that we commonly
7 x7 @. _7 J9 D \; s> have. If we were to pay for FCC approval, we would want to use the modem
. R- |6 t; g0 b2 b. q, n& d& ~ > units in all similar applications under the same approval number.
- ]$ I& ]- l- i4 H6 R) `> Therefore, we would like to be able to configure the units to a specific
. y6 g5 g" o2 O5 B> application. For the business that we do, this approach will yield more
. ~5 s: y0 ]: c+ { > sales based on the same product and approval. We are interested in the
@# m7 J/ Y. v ~0 z8 P> following specifications:
' j* u+ h9 t9 s >
0 W# y7 Y2 N' x3 B- W# D# O> - 2 inputs at the Transmitter with three possibilities;
- z5 t* M7 H r8 |0 o9 T2 v > 2 analog
& E( f; ]; b3 e* G" ~+ N5 g> 2 digital
# H+ f e" J7 H1 s> 1 analog and 1 digital
; p" P+ I' w2 b& g>
! s# q8 k! B$ l! u0 M" ]> - 2 outputs at the Receiver with three possibilities to match inputs
& \ R: ?1 q8 Q! L# Q >
7 R/ @* G% V1 k. @ > - Ability to configure/define analog Transmitter input ranges through
+ A2 e& Q* D+ R, i > simple programming method to correspond with full-range analog Receiver
# Z' B/ [2 ?. n6 N$ V5 G# F* ] > outputs (0 - full voltage).
8 s: a) A9 ^- q% R7 z1 C4 s8 i, W. o>
) X# `2 P5 j; B5 ?> - Ability to configure and set sample rates for the inputs.
. m3 o' l' W! o- c' p; U >
$ M- h5 e/ U/ J. u> - Digital output on Transmitter that turns on during the sampling period.
' b3 p- q9 R6 V1 V6 o>
+ s/ ]9 Z3 e e7 m> - Ability to configure a power saving Sleep Mode in the Transmitter by
- |% D$ J/ Y/ R1 m > both software control and input hardware control.
, @. M1 e2 U0 m/ ~3 Q>
! Y( v$ }( s' t9 A> In order to configure the units, we would need a way to make the
" R$ ? R$ i8 q& e; [5 ^% o" w% q* T> settings. This would preferably be from a computer terminal so that
( |% U8 S# a/ `2 Z/ R> configurations can be saved or easily duplicated for production volumes.
9 s" @8 I$ V! e9 o1 g( g6 a > The units should be small and compact with shielding, and able to mount
# m$ I& ?# ]2 Z& ]9 p+ ^> to a printed circuit board with header connector.
( `1 [8 x) ~* D1 i( [>
7 u% U& ^- ?# j# r7 J0 ] > At this time, we are interested in samples of a pair of modems that
2 U! S# K1 P8 V) t. g2 e& o" P> might be similar to this proposed system. We do not expect that you
+ k# g& p" \! A z$ K! W) ? > provide all of these specifications at this time. I can describe our
' m+ s7 p/ q: J8 ]1 {8 k/ [: R& t- E> immediate application needs in the next email if this project is of
% x5 a v* ]' B6 c. V" d& S+ s( m> interest to you. Perhaps you can make the samples by those
7 D) U# y9 l6 _: ]) X/ J0 A > specifications. This will allow us to test your radios before we move
# z$ T" S( L: O, X O+ }2 x9 g > forward. We are interested in your 900MHz radio to start.
/ X, u# q& d& [
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