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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

. k6 Y. l* \6 j. X& R+ ^' M: }1 V; b 客户要求如下,如果哪家工厂可以做,请和我联系
. K5 T* k9 z7 L5 K* Q > The application that we have in mind is similar to others that we commonly
) C& a& O" P) a) J6 }; j+ H > have. If we were to pay for FCC approval, we would want to use the modem
; ^* H5 F( n: z) n+ k1 q9 T > units in all similar applications under the same approval number.
) ~! [/ X9 H$ M8 z> Therefore, we would like to be able to configure the units to a specific
9 Q5 `) U: _4 E2 R. D5 ~, d> application. For the business that we do, this approach will yield more
" @0 m$ `9 I( X2 F f ^ i2 A$ u> sales based on the same product and approval. We are interested in the
" N6 c0 @. `: p3 A2 T> following specifications:
6 S( U# Z) [' O u# E; M' g4 j >
l, V3 [8 j( P* `/ q> - 2 inputs at the Transmitter with three possibilities;
3 ]% i8 ]. Y$ _ t > 2 analog
; Q' _( N9 R9 r8 G' g8 y$ t > 2 digital
. A/ Z4 K2 i; w> 1 analog and 1 digital
4 U: K8 @2 u4 N D) B >
( p& k" y' U2 @7 m> - 2 outputs at the Receiver with three possibilities to match inputs
4 d+ `: V/ n- F% c, o >
/ Q3 Q) E$ o6 o( X5 y > - Ability to configure/define analog Transmitter input ranges through
7 c5 ]1 M, R, }$ w! p% Y7 h8 c5 R* f> simple programming method to correspond with full-range analog Receiver
M O& k( N9 J: g> outputs (0 - full voltage).
1 l. d' p! V- R >
: h# H% y8 f2 g" c- M* M8 c2 h> - Ability to configure and set sample rates for the inputs.
% Q. g" C2 `9 T& T9 I>
, ^5 T, W$ a8 ?0 F% M> - Digital output on Transmitter that turns on during the sampling period.
& Y( P9 t7 G% F2 t b- K6 }>
6 h+ G' |. u' R5 x> - Ability to configure a power saving Sleep Mode in the Transmitter by
: @* ?7 S' q, ?8 c9 j > both software control and input hardware control.
4 N$ m# r5 e9 F ` >
/ q' K7 m# D& J5 l- I4 Y0 a0 Q> In order to configure the units, we would need a way to make the
% \" G. h$ T7 W( j4 J1 R. ~ > settings. This would preferably be from a computer terminal so that
+ p9 Z- x0 a% {; x5 F8 r! z5 I, x8 n > configurations can be saved or easily duplicated for production volumes.
4 i" u; U9 l7 h! c2 O! m3 j > The units should be small and compact with shielding, and able to mount
% w- A$ P4 w4 _, j. o2 M> to a printed circuit board with header connector.
) T2 j: }$ w5 L>
( Y9 U& l$ h- h- a0 ^) K> At this time, we are interested in samples of a pair of modems that
" s" _4 a$ P3 M* V/ q> might be similar to this proposed system. We do not expect that you
$ |3 T: {5 W+ x/ r Z- L: }: J: | > provide all of these specifications at this time. I can describe our
+ M; y' q4 K; w0 {> immediate application needs in the next email if this project is of
0 `$ w6 z: ]. T& R" ]/ ^/ l( d > interest to you. Perhaps you can make the samples by those
. C0 b5 T. R$ j% b0 R> specifications. This will allow us to test your radios before we move
: y8 l9 N1 F; l3 p% @1 W > forward. We are interested in your 900MHz radio to start.
% S; f3 d0 m% P7 C
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