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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

6 o+ U3 u5 R% m0 P客户要求如下,如果哪家工厂可以做,请和我联系
+ U) o8 o( O# a+ b > The application that we have in mind is similar to others that we commonly
/ Q& n) I4 [, x. g0 `1 x; i> have. If we were to pay for FCC approval, we would want to use the modem
. _8 d$ o2 ]3 h7 F3 l> units in all similar applications under the same approval number.
, F3 Z5 s4 ~4 Y. Y> Therefore, we would like to be able to configure the units to a specific
) q- e+ ?1 |) m* z) ~1 F5 m > application. For the business that we do, this approach will yield more
+ T7 g3 c6 B3 \' e > sales based on the same product and approval. We are interested in the
7 J2 T S4 s7 ?. r > following specifications:
: n& H5 J+ M# c- F. R- Q7 K >
2 O4 c0 }& ^1 D; j+ U0 g > - 2 inputs at the Transmitter with three possibilities;
2 \. r0 b3 U8 w7 w' c> 2 analog
0 e- o7 L7 @( V+ p: r/ r> 2 digital
2 _7 f6 W& D: Y7 D0 w# O > 1 analog and 1 digital
: s4 V e( U6 C/ J% { >
* D/ l) y' B8 T! \3 ]- q! F0 g> - 2 outputs at the Receiver with three possibilities to match inputs
. L7 g$ b X3 ]/ e" P9 z/ `>
8 C6 K' D% P; z! {9 D$ D& _> - Ability to configure/define analog Transmitter input ranges through
! @' y! I$ V& C. Y) [ > simple programming method to correspond with full-range analog Receiver
- q9 }# i3 W1 Q6 u- y> outputs (0 - full voltage).
& D+ Z" r; `8 @4 M>
l: K$ D9 h& s( E+ H# R > - Ability to configure and set sample rates for the inputs.
/ J& i) w) X! J >
" N7 p! H1 S K8 {7 K1 S3 O > - Digital output on Transmitter that turns on during the sampling period.
4 t N6 P* [, A >
1 M" U4 [3 G7 g! }4 w5 B! b. m > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 }0 H; R) ^8 {* a7 C0 V > both software control and input hardware control.
- S% N( f4 ^) E0 b, g >
! a+ M6 K# f' N0 f# Q > In order to configure the units, we would need a way to make the
" Y# ~9 c% r/ _$ P# K, U > settings. This would preferably be from a computer terminal so that
0 @$ ~. r& f- S9 u> configurations can be saved or easily duplicated for production volumes.
2 T& i% s- r2 W5 @# { > The units should be small and compact with shielding, and able to mount
* \1 y" `! `( d& I1 h' Q0 M& D0 ` > to a printed circuit board with header connector.
* J! I' u+ I _8 d+ t>
( @# d, L3 b l> At this time, we are interested in samples of a pair of modems that
5 j9 z6 @/ x8 |4 t; Z9 @ > might be similar to this proposed system. We do not expect that you
% D# E1 U& Q8 s J: L7 z4 f% L > provide all of these specifications at this time. I can describe our
0 M- C2 w2 H" j! {% Z: r) c > immediate application needs in the next email if this project is of
2 i7 E/ \, g( w, Z > interest to you. Perhaps you can make the samples by those
. U; L0 s: M. M0 r% N' g > specifications. This will allow us to test your radios before we move
4 h) _5 B+ ~+ A) x5 M > forward. We are interested in your 900MHz radio to start.
2 S! c2 \, ~+ Y3 C [$ a
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