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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

4 u$ v2 \: K- M 客户要求如下,如果哪家工厂可以做,请和我联系
# U. [- C9 Q( k7 [, u$ h > The application that we have in mind is similar to others that we commonly
7 ^( b' h; k5 `5 o' g9 K, x% m2 O > have. If we were to pay for FCC approval, we would want to use the modem
. I* {$ e/ c5 Y6 L$ W7 ]3 I2 L9 R @ > units in all similar applications under the same approval number.
/ D4 k) P& F- L, Y( c > Therefore, we would like to be able to configure the units to a specific
& Z4 Z- [) {3 G: c6 y" H> application. For the business that we do, this approach will yield more
8 D H; P" h1 G; E > sales based on the same product and approval. We are interested in the
% ?' Z( L! s" O( D+ H$ K> following specifications:
- C& T8 J' D3 \2 n) h >
- Y5 Q0 V& M# [, D1 r+ h6 o> - 2 inputs at the Transmitter with three possibilities;
# _7 U$ k8 J- Y2 P > 2 analog
" m* \8 t1 t7 O$ V! ^! f > 2 digital
+ |4 r i% l6 p) `3 u! ^> 1 analog and 1 digital
?$ B5 z( o6 X0 p6 ~/ t >
7 L& T \& v* C( I > - 2 outputs at the Receiver with three possibilities to match inputs
3 z9 u0 K7 E I$ y/ S m >
2 R B" g U$ x H/ i2 w0 D+ g( } K > - Ability to configure/define analog Transmitter input ranges through
/ o7 f" N. I% M* T3 |4 O. \9 j> simple programming method to correspond with full-range analog Receiver
4 L5 _) b# y3 R> outputs (0 - full voltage).
, x+ e/ }! J+ b: Y >
* [+ v" C: L! u7 R0 u( J > - Ability to configure and set sample rates for the inputs.
2 ]" o) w) _! L5 k) l>
- H- g. L j8 I7 m8 ? > - Digital output on Transmitter that turns on during the sampling period.
' U1 c7 h) g! x0 ] >
! T6 ~0 t! Y9 R) m) A- I& K> - Ability to configure a power saving Sleep Mode in the Transmitter by
* ~; t5 C9 j6 l7 p> both software control and input hardware control.
# N+ \( m- f* W) m- f+ t: U >
5 D3 E$ w3 q& u+ T; U) Q+ F9 {- l* `2 x > In order to configure the units, we would need a way to make the
w8 s! _) Z* u1 z> settings. This would preferably be from a computer terminal so that
; V2 ?# x! i% X& |> configurations can be saved or easily duplicated for production volumes.
) p/ B: g( k& M$ k> The units should be small and compact with shielding, and able to mount
$ x. V/ {4 Q6 v > to a printed circuit board with header connector.
! K' @1 Y* t {: `+ M>
3 _2 j7 h$ k0 d! O > At this time, we are interested in samples of a pair of modems that
( O/ J3 c9 P, ~5 A$ T/ t5 t > might be similar to this proposed system. We do not expect that you
! v) P0 W6 r& r1 Q/ j, ?- V> provide all of these specifications at this time. I can describe our
6 W1 r% X7 [! I) I5 | m5 R2 j% } > immediate application needs in the next email if this project is of
1 n; x% g* Y( F/ f$ ^: [% G > interest to you. Perhaps you can make the samples by those
" O) ~% A* U3 v: K# ~! |) b. k% P> specifications. This will allow us to test your radios before we move
U( Q1 ~2 l$ _& q) ~ > forward. We are interested in your 900MHz radio to start.
3 d0 Z" {# F7 D! y3 t' _, `
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