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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

2 i$ g% l: d2 E7 P. f$ ~ 客户要求如下,如果哪家工厂可以做,请和我联系
! v0 b' y% ~, P# Y8 W+ ]8 \ > The application that we have in mind is similar to others that we commonly
; Z, i% d4 C" ~! b2 R1 e. n > have. If we were to pay for FCC approval, we would want to use the modem
" y8 d Z B3 E" e> units in all similar applications under the same approval number.
$ q! k5 i+ f" c" k& \$ }# [4 b> Therefore, we would like to be able to configure the units to a specific
0 N9 D0 ^7 C2 l) N > application. For the business that we do, this approach will yield more
4 P* z7 {1 q/ H4 R" \3 { > sales based on the same product and approval. We are interested in the
5 a E h0 s! } H4 ? > following specifications:
! L" k, p1 }; A>
! V1 e) H- L2 _! F3 G > - 2 inputs at the Transmitter with three possibilities;
$ e2 Z( G: |; L > 2 analog
; [4 }, U6 _; r/ {7 |4 H > 2 digital
4 f( L' h8 i9 b& z2 X9 ?! T> 1 analog and 1 digital
$ ], z# q3 q! h, c/ N$ n+ B0 |9 x+ r >
1 o3 A/ k+ U0 Y5 U: l > - 2 outputs at the Receiver with three possibilities to match inputs
+ r w: e1 C5 d, [9 N >
2 H% _% D' m" y+ n; S > - Ability to configure/define analog Transmitter input ranges through
! | y' `0 d# [/ A> simple programming method to correspond with full-range analog Receiver
0 p A/ m% X% J) n8 i1 m0 [ > outputs (0 - full voltage).
5 m7 T6 g9 f7 A( s>
" ]/ \" g1 c4 A, ^/ [ > - Ability to configure and set sample rates for the inputs.
! |- C/ o8 w7 A7 V; S: Z! d- K>
8 l* w2 {! h% q3 A* m > - Digital output on Transmitter that turns on during the sampling period.
8 k. g: u) T3 A7 v' |* f' g>
|( Y: b- y8 m> - Ability to configure a power saving Sleep Mode in the Transmitter by
@8 I3 b2 p" z. B6 d > both software control and input hardware control.
' x: s& n( F% d; [ {3 j" j' D. ^>
' Q1 e9 `6 @0 `) ~ j > In order to configure the units, we would need a way to make the
" B! A; p+ r) {$ G" H" o3 ]> settings. This would preferably be from a computer terminal so that
1 X% W# Z& l1 x8 M% C; Q2 M. P- u> configurations can be saved or easily duplicated for production volumes.
) o2 C: k. Y1 j9 n& s > The units should be small and compact with shielding, and able to mount
! _7 {. T/ G( ?5 m0 p4 E> to a printed circuit board with header connector.
4 G" H Y& ?! e >
4 L1 ]/ |6 M% B4 p, C8 i! b > At this time, we are interested in samples of a pair of modems that
% }: S$ Q3 x6 K, N" E7 n" t> might be similar to this proposed system. We do not expect that you
( K% L. M0 x: K' |; m+ U, J7 Z! f > provide all of these specifications at this time. I can describe our
, ?; g# `& }2 L& i, @' e > immediate application needs in the next email if this project is of
' m/ [" v5 o! D& k1 f2 G> interest to you. Perhaps you can make the samples by those
. n) D4 f, ~3 }( O, d > specifications. This will allow us to test your radios before we move
8 U9 ~1 a! y; i5 d9 U> forward. We are interested in your 900MHz radio to start.
( y4 ]5 t- g" u% d, S
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