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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 F5 q4 `, }# v$ @. l客户要求如下,如果哪家工厂可以做,请和我联系
; }% q$ g3 u. L > The application that we have in mind is similar to others that we commonly
3 A _4 K0 l+ v8 @* A4 C> have. If we were to pay for FCC approval, we would want to use the modem
" q& s: B u+ z7 @$ z6 S& J > units in all similar applications under the same approval number.
5 c8 f( r' B. x6 s1 t- I; b; I8 j4 k> Therefore, we would like to be able to configure the units to a specific
1 [/ L" Y7 M8 X> application. For the business that we do, this approach will yield more
* o; i( \ X7 k$ f4 Y > sales based on the same product and approval. We are interested in the
- i. `% T! k0 z2 C- g > following specifications:
. ]) k: _* z5 ]; N>
3 M7 Q" {9 \/ f1 R4 K9 ^( T: a> - 2 inputs at the Transmitter with three possibilities;
( e; v& k+ A4 L" I > 2 analog
' p* O7 @* [4 v5 @+ ?> 2 digital
7 t8 M0 Z% `4 {9 c. N3 J0 |( J* p$ | > 1 analog and 1 digital
5 c( e; L/ \! W( v' z) e! O' \' i>
7 @! E, _9 y6 z' d$ t1 r; P/ u > - 2 outputs at the Receiver with three possibilities to match inputs
: J' x& l! ] B: Z& U' @>
& R! i& {- d# i/ o0 d+ P> - Ability to configure/define analog Transmitter input ranges through
, b. R0 ]) @8 t- S1 |9 h. T > simple programming method to correspond with full-range analog Receiver
. i# g( [/ n. z) p3 p/ @ > outputs (0 - full voltage).
- c* m6 N: C5 f6 D1 y>
9 j( V+ \: H: C- I$ ]> - Ability to configure and set sample rates for the inputs.
# N# I# n0 ~0 J* c* W( b0 | >
) e' L! {/ ?. k( C( F > - Digital output on Transmitter that turns on during the sampling period.
( n' E% x$ O% A% N3 ~. [>
U9 ?# E9 N0 b- Z> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 l [+ @% y2 @# U, Y9 B> both software control and input hardware control.
) m( S- q; ~, ~% Z( @4 J% F >
2 t& Y1 o* r9 ~6 a > In order to configure the units, we would need a way to make the
1 l3 X# c H4 f+ X > settings. This would preferably be from a computer terminal so that
+ Y) y5 F& v/ p > configurations can be saved or easily duplicated for production volumes.
# K8 [7 D( y2 c q* s% F > The units should be small and compact with shielding, and able to mount
# }& o' x T5 {* Z6 P2 i > to a printed circuit board with header connector.
. \4 i* s [: Z$ J; e$ g6 V4 q( ^>
U' C" p% r! t. T/ B> At this time, we are interested in samples of a pair of modems that
1 O! |, x, B5 M > might be similar to this proposed system. We do not expect that you
]' Q, V' v. y8 n3 M7 X& L* R' _ > provide all of these specifications at this time. I can describe our
( Z( Y- c+ W t. f1 o/ E# s! ] > immediate application needs in the next email if this project is of
" K+ m- @+ j5 W> interest to you. Perhaps you can make the samples by those
* P* Y( n4 T* u8 h2 q) U% i2 A, g > specifications. This will allow us to test your radios before we move
7 x& t5 T2 r8 d> forward. We are interested in your 900MHz radio to start.
; \9 {8 z6 e5 v
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