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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

6 G; Q" O+ S5 _ 客户要求如下,如果哪家工厂可以做,请和我联系
: i/ u+ |! P! k/ G# P6 G9 g2 Q0 d* i > The application that we have in mind is similar to others that we commonly
! L S( Y7 j* f0 Q) h) z> have. If we were to pay for FCC approval, we would want to use the modem
* w) o8 K T3 l5 E* Q> units in all similar applications under the same approval number.
% V: S# [: }% w" v* t5 j4 j6 M# q! ^> Therefore, we would like to be able to configure the units to a specific
% c+ K/ U# ~+ m+ P1 s: f5 u> application. For the business that we do, this approach will yield more
" H5 W& A8 C' \2 y3 w > sales based on the same product and approval. We are interested in the
* z5 @# F/ m' V1 l> following specifications:
6 O4 ^6 _+ d4 o2 u >
; h! \. g8 W; t/ Z- t1 F& D> - 2 inputs at the Transmitter with three possibilities;
; X( u4 z0 v9 N" X8 ^5 O6 H > 2 analog
6 s6 {$ Y+ a6 o > 2 digital
4 [% S! P1 @. T# d) P' U4 F> 1 analog and 1 digital
& E( U! `9 V0 g>
, {: V, N7 ]/ r, G* g > - 2 outputs at the Receiver with three possibilities to match inputs
, ]& @' @" Y# D! |% }7 [>
, u; ?' x+ _2 z7 T9 s# T4 h > - Ability to configure/define analog Transmitter input ranges through
' l7 n$ W6 F" {1 L" h$ W% R > simple programming method to correspond with full-range analog Receiver
5 g* N/ g: ~' N% Z* E- } S > outputs (0 - full voltage).
8 z/ r) k5 k8 W# N- _>
" V. l& }: J+ ?+ z0 @& M+ M' L; v> - Ability to configure and set sample rates for the inputs.
8 r8 T% T5 ^/ `! n. U8 @* l>
6 _5 t8 I5 g3 c7 t9 J' I* J/ W > - Digital output on Transmitter that turns on during the sampling period.
9 V( o8 X0 t e& j$ T% r+ d+ d0 x$ o >
4 K5 G- [8 S3 Z \* ]> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ q- r4 G+ | N! e > both software control and input hardware control.
9 d/ R! B% A: ^+ b >
+ r8 a% ~6 l' e; l9 K> In order to configure the units, we would need a way to make the
0 j+ o, Y) J7 S6 I+ F, c2 m$ \ > settings. This would preferably be from a computer terminal so that
6 N7 B4 r- I/ h" d> configurations can be saved or easily duplicated for production volumes.
; m; {; G. i; T+ [0 b' s0 l > The units should be small and compact with shielding, and able to mount
3 d. [5 c' D* [# Q! a/ M' i > to a printed circuit board with header connector.
) p' w: ~0 v+ k: y. x4 `& r >
; o T9 L" p& `2 v1 j> At this time, we are interested in samples of a pair of modems that
% y5 j0 D9 i0 X; C F8 c& D > might be similar to this proposed system. We do not expect that you
- l% X0 [# C t4 R& f) a > provide all of these specifications at this time. I can describe our
+ q- L7 A( ~& Y8 ~5 ^% f% s > immediate application needs in the next email if this project is of
/ z& y5 a9 o4 U3 [4 q& _> interest to you. Perhaps you can make the samples by those
4 |4 P: |6 [7 | > specifications. This will allow us to test your radios before we move
% {5 e/ L; c2 C) R; ` C > forward. We are interested in your 900MHz radio to start.
4 ^8 `& E: t7 J2 A. q, I C
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