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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

* O2 u ?4 X2 U8 i2 C2 A客户要求如下,如果哪家工厂可以做,请和我联系
3 Q) |* E1 H0 @6 P > The application that we have in mind is similar to others that we commonly
2 u: ^ h- x1 i > have. If we were to pay for FCC approval, we would want to use the modem
' D& W9 Y9 p& f2 a+ d5 Z) f > units in all similar applications under the same approval number.
, I# |, V. D5 F% E& ` a* E4 {> Therefore, we would like to be able to configure the units to a specific
) x. K: {7 k/ \5 M. Z6 @ > application. For the business that we do, this approach will yield more
. J: ]; D4 X1 ?6 k) r> sales based on the same product and approval. We are interested in the
5 q: B, ^: A, |3 J0 S% M" k# g > following specifications:
' V: J5 O" C M; x( T >
0 D# X. c s0 f > - 2 inputs at the Transmitter with three possibilities;
' I4 T0 _0 O) Y > 2 analog
6 d- {( i. }5 L& p5 f > 2 digital
7 B, g: ~5 N& v: \! V> 1 analog and 1 digital
' j, p) k4 b% e>
0 G% s! e1 H; `8 B6 P9 B& d > - 2 outputs at the Receiver with three possibilities to match inputs
! O6 Y7 F) h4 S4 T$ `>
# Q# f- R% D1 x9 i$ E> - Ability to configure/define analog Transmitter input ranges through
: v# n( ^3 f: Q a > simple programming method to correspond with full-range analog Receiver
% v% @4 O8 p( C8 L> outputs (0 - full voltage).
) l% N' @3 R+ _5 X* L>
* o4 j* ?- Z4 Y4 R) {% w5 L > - Ability to configure and set sample rates for the inputs.
5 t; c9 l% L9 I G >
' A" x8 N- O; P. T5 c0 @0 w > - Digital output on Transmitter that turns on during the sampling period.
0 ~3 c7 L2 h- O! W8 v>
$ l2 V' k; k* M; w1 c% m* h> - Ability to configure a power saving Sleep Mode in the Transmitter by
" R3 s% |) s& O2 r0 [> both software control and input hardware control.
$ x7 h. l% D% L+ J; H>
) z5 o2 M" O& `' N- I> In order to configure the units, we would need a way to make the
# d+ x- i1 t3 x5 R" Z4 [$ U > settings. This would preferably be from a computer terminal so that
, Y4 j3 z6 G; r# V* n9 Q# ^> configurations can be saved or easily duplicated for production volumes.
m, H4 Y% X- b* n* O> The units should be small and compact with shielding, and able to mount
; q7 [5 o- b- x > to a printed circuit board with header connector.
1 w+ r; T! T( C) k>
: {/ i" `+ a! g2 r1 P > At this time, we are interested in samples of a pair of modems that
! V. e" [6 }- n, K6 {+ e9 @> might be similar to this proposed system. We do not expect that you
8 Y. W) x, b/ @" \ > provide all of these specifications at this time. I can describe our
6 G+ i- Z5 T3 ]2 K# x4 N: y > immediate application needs in the next email if this project is of
/ p: m! d6 C W7 }0 H. t' [# [1 a > interest to you. Perhaps you can make the samples by those
& w' F* w0 l! Z& [ > specifications. This will allow us to test your radios before we move
# f g/ q6 F3 ~& {7 o/ b! f1 \# D- {> forward. We are interested in your 900MHz radio to start.
L7 L% X. H9 y. L2 U+ j$ D# R
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