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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

) e! h* T8 L/ ^ R4 V$ Y 客户要求如下,如果哪家工厂可以做,请和我联系
& v& u7 x' l2 c5 X1 d4 Y4 f> The application that we have in mind is similar to others that we commonly
% h( {6 s7 O9 ^+ p% @, g > have. If we were to pay for FCC approval, we would want to use the modem
5 y1 t: P; y- k) n% R > units in all similar applications under the same approval number.
- S1 X, @# C, [ Y8 T/ b( C > Therefore, we would like to be able to configure the units to a specific
( V% Y% {& I5 N' F/ ^6 F> application. For the business that we do, this approach will yield more
+ t: a; L9 V: s0 j* @> sales based on the same product and approval. We are interested in the
% p# a5 d& Y- s: A2 _- C3 m> following specifications:
4 [) e7 R& T9 M1 w1 q( V >
7 w: E0 O' x% ^ > - 2 inputs at the Transmitter with three possibilities;
# F* a( |5 j f" Q > 2 analog
+ M* i2 G/ S% K R) o9 L2 @5 ? > 2 digital
( w$ G& h, q. \7 ? > 1 analog and 1 digital
, f, z! N: Y' Y >
3 ?2 ?7 M! L& G$ u' P) x. U> - 2 outputs at the Receiver with three possibilities to match inputs
3 w d) |" |* [* g8 o>
! d& p! Q$ ?! u& ^9 ]" J( t > - Ability to configure/define analog Transmitter input ranges through
2 @7 I# f% c/ l> simple programming method to correspond with full-range analog Receiver
* n( r, Z+ ~, ]) H; Y& }+ U4 T0 l> outputs (0 - full voltage).
, U; O( o8 n- o+ R; c7 f >
9 y- P( j9 \( W4 I( P0 @2 J> - Ability to configure and set sample rates for the inputs.
3 ?4 a1 K" Y$ M1 N>
6 j) @6 c! o- y' {> - Digital output on Transmitter that turns on during the sampling period.
+ _. ]& O& B/ I9 [3 X" m4 ^>
7 b) ?& O6 [/ D: e: @> - Ability to configure a power saving Sleep Mode in the Transmitter by
) V% w5 n, b' |9 e7 A: ^ > both software control and input hardware control.
6 M# ]) u: {! S7 M6 ]) ^>
0 d) G* F1 }$ `> In order to configure the units, we would need a way to make the
4 Y, d8 z/ v3 M( V> settings. This would preferably be from a computer terminal so that
: i$ e0 m0 q9 P: D0 w > configurations can be saved or easily duplicated for production volumes.
. w0 w/ [$ W: l; P' T > The units should be small and compact with shielding, and able to mount
! ~/ ~$ U6 E5 Q+ J3 X: _ > to a printed circuit board with header connector.
1 K6 U7 _, c8 N >
) t) P4 y% m$ M$ P > At this time, we are interested in samples of a pair of modems that
$ _" |( e# k! C; w > might be similar to this proposed system. We do not expect that you
+ ~; c% V! N/ _1 F > provide all of these specifications at this time. I can describe our
+ `+ z% r$ Q( j H: ] > immediate application needs in the next email if this project is of
; u4 T( k2 f7 }: H6 m3 F& C > interest to you. Perhaps you can make the samples by those
6 {) B2 u @3 F3 u8 z$ x > specifications. This will allow us to test your radios before we move
# h; m+ u8 n* K9 Z W( q> forward. We are interested in your 900MHz radio to start.
% a+ L0 ?& ]& ~" P
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