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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

' P& _/ x, v7 q+ S客户要求如下,如果哪家工厂可以做,请和我联系
G0 z) [6 ~( v( {7 o }1 L> The application that we have in mind is similar to others that we commonly
% f* Z. q$ a4 Y1 t9 P. @/ Y > have. If we were to pay for FCC approval, we would want to use the modem
4 R Y9 E7 t, i* t+ o2 z> units in all similar applications under the same approval number.
9 v3 i/ `2 U2 [> Therefore, we would like to be able to configure the units to a specific
9 E0 l0 A" x& x* B# X/ b' Z0 J* e> application. For the business that we do, this approach will yield more
4 b. I7 |8 G% b> sales based on the same product and approval. We are interested in the
) z* X4 W6 \+ G5 N) ]! J, D> following specifications:
. j0 p! R5 f5 s8 K5 B* ?1 h0 O( c>
n" \% V( n7 b- W3 W; _* H> - 2 inputs at the Transmitter with three possibilities;
* b2 x Z2 Y/ o5 G. F; j* y* ]> 2 analog
Z* r* V3 |8 ~8 @* B) {+ c/ V8 U> 2 digital
" W2 |' M* s3 P% l) \0 v5 V8 f# D& B > 1 analog and 1 digital
' m6 j2 j8 O, S K1 x >
9 C1 L5 X+ N+ _% P% [* N, f > - 2 outputs at the Receiver with three possibilities to match inputs
6 j7 r2 K/ M$ B* A>
9 U i" w" p9 D6 K4 W0 B > - Ability to configure/define analog Transmitter input ranges through
$ {. E# v5 a% n7 \, S> simple programming method to correspond with full-range analog Receiver
1 K8 x, c. p( f. _- U> outputs (0 - full voltage).
# ~# D- `6 X6 O% z+ Y/ k>
5 @# I. k$ x& l+ f! f0 i, [$ t > - Ability to configure and set sample rates for the inputs.
+ {$ L! q c* s0 z- c>
0 ^1 g" f4 r$ P! u > - Digital output on Transmitter that turns on during the sampling period.
% ]8 U0 Z/ X& Z G9 i >
0 U5 _ h0 @2 @- C( o, o' G > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 \' F* s- v1 }0 p) t( D# K' b* \ > both software control and input hardware control.
" e9 ]' D& N( g% c >
# L: k' z1 E' _; H9 w > In order to configure the units, we would need a way to make the
$ o$ `5 L, h( m > settings. This would preferably be from a computer terminal so that
( e+ L) j3 _( T$ n' s8 N- S% i+ R > configurations can be saved or easily duplicated for production volumes.
8 m2 w3 v& I! c9 D8 ~ > The units should be small and compact with shielding, and able to mount
' |; k- S7 o8 F' e > to a printed circuit board with header connector.
) v( D$ v1 }1 _4 D >
, q6 |5 b; I7 K6 H# w5 t' d3 n> At this time, we are interested in samples of a pair of modems that
) Q. Z# a3 J: ^! R" @ > might be similar to this proposed system. We do not expect that you
" r" H$ u& M# @" P' j> provide all of these specifications at this time. I can describe our
6 Y' {3 p$ F* [, c: X > immediate application needs in the next email if this project is of
4 q& e2 r: V+ L& d' N5 L& l > interest to you. Perhaps you can make the samples by those
Q2 Z2 a7 L/ W W8 N > specifications. This will allow us to test your radios before we move
* E* J; ^" E9 ] > forward. We are interested in your 900MHz radio to start.
" X {) ?8 g% H, k6 N- I
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