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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

8 k& `- T. ~% h客户要求如下,如果哪家工厂可以做,请和我联系
: A6 a- G0 M. J4 X> The application that we have in mind is similar to others that we commonly
3 ? u$ X7 E$ g, U3 y2 i > have. If we were to pay for FCC approval, we would want to use the modem
\' {# H+ p5 [. u> units in all similar applications under the same approval number.
: L$ l/ O1 {) k# G/ D > Therefore, we would like to be able to configure the units to a specific
" e* i/ @+ s Y, J; ^> application. For the business that we do, this approach will yield more
4 g6 K( E: U; o> sales based on the same product and approval. We are interested in the
: K; l$ s+ a1 G: U/ I8 z > following specifications:
* [/ |0 O4 m3 B8 {5 W" X >
2 ~5 R$ j1 \! q$ P* B" r > - 2 inputs at the Transmitter with three possibilities;
$ K- B j5 x+ Q1 h, c" I> 2 analog
; t( \6 ~8 O4 a( C( ~> 2 digital
( L% E9 [) l, ^# S, {; h1 \) M > 1 analog and 1 digital
6 P) W5 B8 q, [. l) A >
* L) }8 K |4 `+ Y& X# N> - 2 outputs at the Receiver with three possibilities to match inputs
2 ~2 T2 V S) h7 o" Z' k>
: J7 O( r1 v s+ E6 b9 @: z > - Ability to configure/define analog Transmitter input ranges through
. t, ^& K3 r; ~4 @: ?> simple programming method to correspond with full-range analog Receiver
7 h# H9 m/ _7 t; |3 W' C/ d > outputs (0 - full voltage).
, E( X1 E2 p0 V: C( {>
: O' j+ M' y6 @8 D > - Ability to configure and set sample rates for the inputs.
3 ~) q, p8 i5 f" u>
% F. @) F) F( C( I7 f> - Digital output on Transmitter that turns on during the sampling period.
- v7 E5 m( K$ ~3 ?: Z>
b6 I2 d: [( f4 T9 E3 @; a> - Ability to configure a power saving Sleep Mode in the Transmitter by
- d# \- Z$ k' H8 [, t K) w. u > both software control and input hardware control.
5 n* B6 Y: N% I& W( ]+ ?8 v9 n4 @& N>
. T( r' Y. N, j- E > In order to configure the units, we would need a way to make the
. a1 P; E' \% J > settings. This would preferably be from a computer terminal so that
* ^) B9 t. Z1 { m > configurations can be saved or easily duplicated for production volumes.
. d. ~! E' D/ p> The units should be small and compact with shielding, and able to mount
' y3 `; m$ b/ R+ r: q3 i+ w3 u> to a printed circuit board with header connector.
% P! e+ c) B4 k, f. _4 y' d i8 h>
5 j, r7 L0 W' m3 o: S: z> At this time, we are interested in samples of a pair of modems that
6 T: ]" K; D% p > might be similar to this proposed system. We do not expect that you
1 u8 o9 [; `9 f. t/ g3 J( n > provide all of these specifications at this time. I can describe our
$ E* ?8 y* `3 h; t5 j1 `8 V8 U> immediate application needs in the next email if this project is of
) ?* k% b3 ?* I, O% N > interest to you. Perhaps you can make the samples by those
$ P$ H7 @5 s- g. I4 s& S/ ]; T> specifications. This will allow us to test your radios before we move
6 n# O$ U5 W4 h1 Q& B > forward. We are interested in your 900MHz radio to start.
9 ?, ~$ |* g# i9 `! o: H
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