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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

' M- J1 o) c; X1 F! n( k3 V k, ~客户要求如下,如果哪家工厂可以做,请和我联系
" U. M. Y* V9 E! U/ z4 k- N4 j3 u, f> The application that we have in mind is similar to others that we commonly
0 q0 c/ S) i& W& \2 q6 j' u> have. If we were to pay for FCC approval, we would want to use the modem
# n/ S, R, x" i6 S$ A/ ^0 H9 Y > units in all similar applications under the same approval number.
p: B/ t+ S, t4 Z' A& C" ?; @/ I > Therefore, we would like to be able to configure the units to a specific
M( K% D! l2 a6 `> application. For the business that we do, this approach will yield more
0 J& a* d* d( Q. g, Q. g+ k2 m> sales based on the same product and approval. We are interested in the
2 f0 E& P! ~- D- w7 t> following specifications:
5 q& u* L& J7 ?8 C5 | >
5 d$ t( r; i1 p7 [, |- v > - 2 inputs at the Transmitter with three possibilities;
% i, U# `/ B, c: _# Z. B> 2 analog
/ {5 G$ {6 }) f7 g0 ?7 n > 2 digital
4 A- z0 @# Z7 f4 \0 \9 k( o! F' A > 1 analog and 1 digital
7 V' e9 s5 G# Z>
$ l8 e& D, E- k0 N' P: w0 f9 c* g> - 2 outputs at the Receiver with three possibilities to match inputs
; h* e5 ~ @3 [/ o>
& {# @; ]# B6 x( H9 \9 }' e# X3 Z9 e > - Ability to configure/define analog Transmitter input ranges through
8 H' o7 g- x' F+ d; h > simple programming method to correspond with full-range analog Receiver
0 A/ I+ S7 y' O; ]- r) z) y > outputs (0 - full voltage).
! C& g. n' G# I>
- l3 V" Y5 O/ @& X& e! F4 e" {. ~ > - Ability to configure and set sample rates for the inputs.
. N/ i8 w+ }% p! K>
; ^$ ~2 G4 |, y/ s5 w9 E/ h6 f > - Digital output on Transmitter that turns on during the sampling period.
' M3 e; `% m# X1 o: P! g; a>
U% z; ^. U% n$ @8 V! p& Q > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 A9 g( G7 O& Q/ V1 d> both software control and input hardware control.
& W9 N* N& f) ?% P1 t>
2 L; j" F1 f7 G* Y6 E I2 _> In order to configure the units, we would need a way to make the
/ m. x& X+ G% T+ R' T > settings. This would preferably be from a computer terminal so that
- u. L, {6 G' k! D" `5 G0 a> configurations can be saved or easily duplicated for production volumes.
# x% k& E8 X7 n( |8 |. F { > The units should be small and compact with shielding, and able to mount
( T5 {4 I7 n: O+ S > to a printed circuit board with header connector.
$ o R/ T. j1 Y4 L3 R >
' Z9 y3 O+ t0 c7 N( ?" w, c, j! a> At this time, we are interested in samples of a pair of modems that
: [2 p% \6 C ^& o> might be similar to this proposed system. We do not expect that you
5 ~2 x* i: R0 D; I& p> provide all of these specifications at this time. I can describe our
6 h. O& c( L( N5 g$ a" ~ > immediate application needs in the next email if this project is of
# j5 W O! T" c* a. C* \$ E' v [> interest to you. Perhaps you can make the samples by those
" y/ D0 Q& N) Q> specifications. This will allow us to test your radios before we move
- g+ W0 _# A$ I# T> forward. We are interested in your 900MHz radio to start.
$ r2 G" M2 R" F6 \( G
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