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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

# f4 S7 T4 Z) a% G& H& q; _: e4 q 客户要求如下,如果哪家工厂可以做,请和我联系
$ `. F Z0 i6 a. j8 M > The application that we have in mind is similar to others that we commonly
0 n; {7 o1 n( G {$ L; ]+ J! k- | > have. If we were to pay for FCC approval, we would want to use the modem
2 @, B6 N$ _# o) J> units in all similar applications under the same approval number.
5 g; @: q: d. a+ ]* h > Therefore, we would like to be able to configure the units to a specific
' ^, A% d* ?; X# V. |- b! Q" R4 g* j> application. For the business that we do, this approach will yield more
6 ]3 z# A# w4 A% s% i> sales based on the same product and approval. We are interested in the
$ m* c2 a+ t* ~( V% E* K) p! k4 B> following specifications:
3 d0 J) S* c* s; P7 u$ D5 ?7 T >
, N+ M1 [; c% V% V7 u v0 z& @; }- m4 I > - 2 inputs at the Transmitter with three possibilities;
# m, z- U( l% Q9 n* l% u > 2 analog
3 b" i# F$ _7 M- _ > 2 digital
- a; C) o+ Y4 m! d> 1 analog and 1 digital
1 r* h5 F2 o. a3 ~ W G >
5 G; U! @8 i( r' n> - 2 outputs at the Receiver with three possibilities to match inputs
. k2 Z) D$ {4 ? >
7 Z* Z" b8 K6 h > - Ability to configure/define analog Transmitter input ranges through
' o6 w) ~, i3 @* Y4 N0 ~, i: S8 W > simple programming method to correspond with full-range analog Receiver
* m9 o8 @0 S$ z* `> outputs (0 - full voltage).
3 [! L8 L. t% _' \* s- y>
% u P9 ~$ l$ n' c# g > - Ability to configure and set sample rates for the inputs.
* z" R' C' N0 n/ R6 T4 H+ [ >
2 X( t n: r; A* U% h4 u. b> - Digital output on Transmitter that turns on during the sampling period.
5 d/ G5 J; T: s>
1 v6 |5 R' k- H( G! f P> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 K7 N) ~" ~. N- e" N* G. X> both software control and input hardware control.
$ A( i. s. H2 F, Z$ X' D" i+ y7 P >
* O7 Q9 [! [, F/ J, s: S> In order to configure the units, we would need a way to make the
0 z2 R" M% h0 ?2 h! T7 H- ], W+ R/ B> settings. This would preferably be from a computer terminal so that
4 w6 q' q5 @& D+ X) N* D9 v> configurations can be saved or easily duplicated for production volumes.
% D$ G/ v. e2 I( ]> The units should be small and compact with shielding, and able to mount
( x' o t1 H1 e; c> to a printed circuit board with header connector.
$ q4 [) q3 \; R; t >
8 q# \$ f t+ z2 {7 _$ ] > At this time, we are interested in samples of a pair of modems that
6 k6 ?7 P Z9 Q+ b> might be similar to this proposed system. We do not expect that you
: v& v/ B* P- Q ~# [, t% ]> provide all of these specifications at this time. I can describe our
# q( k e A% m: z- h > immediate application needs in the next email if this project is of
. Q" h8 b0 f; R: [* y> interest to you. Perhaps you can make the samples by those
; ~2 m2 y$ a6 U4 E2 B' E6 X> specifications. This will allow us to test your radios before we move
]7 `' c: P4 C2 c, D, R > forward. We are interested in your 900MHz radio to start.
! [: ?% N* T8 C: G) b y8 C
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