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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

& b( L* o% d' h& y客户要求如下,如果哪家工厂可以做,请和我联系
: B0 A2 t- L0 w/ F% N! ~> The application that we have in mind is similar to others that we commonly
0 B# J$ i' v! Y! u> have. If we were to pay for FCC approval, we would want to use the modem
/ w2 n8 [# H, e4 ?4 [> units in all similar applications under the same approval number.
0 v/ M5 I) d) I9 @- ^> Therefore, we would like to be able to configure the units to a specific
$ q. G8 U N& ] G; A4 O' B> application. For the business that we do, this approach will yield more
3 f* Z+ z; P2 s > sales based on the same product and approval. We are interested in the
g& Q; t5 v$ y# ~> following specifications:
9 A0 N2 U- p7 _1 ?! G >
2 V" b+ [- ^" b$ }; |6 G* A> - 2 inputs at the Transmitter with three possibilities;
8 H: E2 _5 T" G > 2 analog
! f1 s. Z/ A& L> 2 digital
( {' ^- `) G( E& W3 H > 1 analog and 1 digital
: N' j O! p% n' V6 q>
2 q) F# s& p$ [% P9 B. |7 B > - 2 outputs at the Receiver with three possibilities to match inputs
5 o- J2 g7 {! J J( p>
5 t3 Q& @. x3 G1 w) b" | > - Ability to configure/define analog Transmitter input ranges through
3 k+ N6 E2 @: H; e/ o7 A > simple programming method to correspond with full-range analog Receiver
4 g: ^# Q$ M! d) Q# |/ O, I: K> outputs (0 - full voltage).
' d! e" ~* ^8 w$ k7 ^( ^/ i >
* L M3 g0 F N2 S i, y5 P& C4 @> - Ability to configure and set sample rates for the inputs.
' w4 `" x/ c9 M* ?5 y>
@% A' _2 |; S. Z- X" F> - Digital output on Transmitter that turns on during the sampling period.
, T) f9 ?7 c8 P2 Q0 {>
2 a3 M, z; C+ d0 P% u& F> - Ability to configure a power saving Sleep Mode in the Transmitter by
. S( ^4 f3 g! h. f- ` > both software control and input hardware control.
& ?. z* {7 Q* I' V( n >
% ^, e. h6 b( \3 f> In order to configure the units, we would need a way to make the
! D9 @' b0 e. y" K( [& ~ > settings. This would preferably be from a computer terminal so that
( A* g$ A; C4 `& F" o# M> configurations can be saved or easily duplicated for production volumes.
O) m n6 v6 e `8 Z, ]6 E > The units should be small and compact with shielding, and able to mount
, m! k C4 d5 q8 P& g0 { > to a printed circuit board with header connector.
5 K* Z0 l+ s3 i: p >
$ b6 H. `9 G7 Z9 e) _4 Q > At this time, we are interested in samples of a pair of modems that
- k& |; J S6 p- F5 c( |+ z > might be similar to this proposed system. We do not expect that you
$ @5 \$ ]% ^( j9 Q7 S/ v > provide all of these specifications at this time. I can describe our
; v1 ~2 s1 W0 Y1 A S0 b> immediate application needs in the next email if this project is of
' j2 u b; u6 e. ` > interest to you. Perhaps you can make the samples by those
% ~) u- b' e5 q0 ?$ [$ M> specifications. This will allow us to test your radios before we move
. h0 c& L" s! c- K: d' o" z" b! O> forward. We are interested in your 900MHz radio to start.
% W6 N5 M6 K) W1 a& n
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