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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

; g; c E& L! n2 I6 `6 d4 E( Z5 |% g客户要求如下,如果哪家工厂可以做,请和我联系
/ w5 V- ?. E: R f1 T- w > The application that we have in mind is similar to others that we commonly
) u1 d! x9 l2 h5 N. E+ }> have. If we were to pay for FCC approval, we would want to use the modem
+ Y" I" G6 D- g% n! B> units in all similar applications under the same approval number.
5 Z- r# s! ]/ d8 _# n! z2 r. U > Therefore, we would like to be able to configure the units to a specific
7 }8 G6 e4 c. S* J$ ]> application. For the business that we do, this approach will yield more
$ z0 K2 X# Z1 _+ S; b( T > sales based on the same product and approval. We are interested in the
4 y- Y" \- u9 T" Y* H U1 } > following specifications:
X8 ~, K2 i1 B' l>
5 O2 l( O3 B/ @7 r> - 2 inputs at the Transmitter with three possibilities;
4 }8 o# C- s7 N4 i- R- I6 j8 u> 2 analog
5 D& k% Q8 B- ~9 G* Q. i> 2 digital
& e' z J$ {4 p/ ~> 1 analog and 1 digital
4 P' [( X1 U8 T; x$ I) N>
, A. j1 s8 [7 y > - 2 outputs at the Receiver with three possibilities to match inputs
6 v5 n) R- l0 J5 r4 m, Q >
4 @$ B1 S4 M8 H > - Ability to configure/define analog Transmitter input ranges through
7 \! r0 B% }0 G: r+ } l> simple programming method to correspond with full-range analog Receiver
0 X; E/ U5 S9 K1 c# F > outputs (0 - full voltage).
0 v% _; C# n5 c K >
- y/ e7 s0 h' i/ p3 ]# T3 U> - Ability to configure and set sample rates for the inputs.
! c' _2 F; E# l( L7 A" S7 \) z) {5 h>
5 ~' t$ s2 v8 T& B6 h0 B6 y > - Digital output on Transmitter that turns on during the sampling period.
, @* L2 J' k( q$ m >
7 O% }& Y2 i1 C% I' I > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 s+ x% ]; K7 r% {1 D( o > both software control and input hardware control.
& g- i) I$ m6 L>
5 H/ X2 x, C2 W7 {8 |> In order to configure the units, we would need a way to make the
; e" B6 U8 h! w+ s > settings. This would preferably be from a computer terminal so that
3 l4 [& F. a2 g> configurations can be saved or easily duplicated for production volumes.
+ W3 `" i% A4 h> The units should be small and compact with shielding, and able to mount
: C) }+ A# D; S8 P1 C> to a printed circuit board with header connector.
. [. i! [5 j0 \- S$ Z4 v( o >
+ [1 B, R6 p" f> At this time, we are interested in samples of a pair of modems that
( n9 G( f8 J: m! U+ M- [3 I > might be similar to this proposed system. We do not expect that you
1 N* q3 D j: Q: x5 M+ f > provide all of these specifications at this time. I can describe our
% }0 e' }: ]; r# O5 X7 ~> immediate application needs in the next email if this project is of
. @, O' h3 ?: q' { > interest to you. Perhaps you can make the samples by those
$ ?' h8 r6 T) I3 e% \9 |$ f- s > specifications. This will allow us to test your radios before we move
: g6 v% y! @7 @, Q7 }6 O; j > forward. We are interested in your 900MHz radio to start.
! u- P5 @6 W U0 t6 Z7 V
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