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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

( z: L7 R, P' N( A 客户要求如下,如果哪家工厂可以做,请和我联系
# Q3 ~8 S% v2 [& T% f > The application that we have in mind is similar to others that we commonly
5 Z- T z/ \6 Q5 `2 a" q& M+ N0 T> have. If we were to pay for FCC approval, we would want to use the modem
! j- o4 H4 e1 C9 M2 g- L > units in all similar applications under the same approval number.
* |1 X% k0 ^! \; I( m( ^8 w> Therefore, we would like to be able to configure the units to a specific
! V- O0 }2 z8 G, U4 D7 m > application. For the business that we do, this approach will yield more
( N. q: b/ u4 D j) p/ _ > sales based on the same product and approval. We are interested in the
3 J4 U+ h8 ~9 D, s: _/ g' k > following specifications:
0 v) o6 i7 U1 z) b7 d+ H) m >
% W) A4 V+ j: h& p/ ^/ |9 P9 h> - 2 inputs at the Transmitter with three possibilities;
/ G8 ?( z/ C: Y0 f > 2 analog
1 X# a; c2 {( X! t+ B > 2 digital
+ m( b4 L6 s! P5 l) v. x& K> 1 analog and 1 digital
( [6 S3 D! G" ^! F >
" \9 F5 Q! x# C* D9 a > - 2 outputs at the Receiver with three possibilities to match inputs
" O$ L( V0 C! [3 k% q% ?8 Z>
9 D1 i) x8 S$ X6 a: L. ^> - Ability to configure/define analog Transmitter input ranges through
0 g8 y4 b9 l# ]( G0 f6 q! @' p > simple programming method to correspond with full-range analog Receiver
e: _' b5 k" X- {" p1 _/ a> outputs (0 - full voltage).
/ u: n0 c V- E' O# M) n >
* t1 Y1 N5 O3 C) z' W3 r' @ > - Ability to configure and set sample rates for the inputs.
, \) k9 @3 b$ L. I- I) a8 H>
- F$ y! A: Q( q o- X) o; V* n > - Digital output on Transmitter that turns on during the sampling period.
4 S5 \# n5 ~. E4 H/ f. @/ W' S >
/ E; s) `, V& M/ j$ c7 c" F> - Ability to configure a power saving Sleep Mode in the Transmitter by
, _# h- H' V. y% {+ i$ N> both software control and input hardware control.
! Q; C+ d+ |# K5 B/ _ >
, J# f- e" I! p4 k3 m > In order to configure the units, we would need a way to make the
A6 p' P D: ^7 ?& G& K, `+ _4 a > settings. This would preferably be from a computer terminal so that
% G+ m: p/ W0 L> configurations can be saved or easily duplicated for production volumes.
! E' q8 x, Q6 {9 A4 o& x2 t > The units should be small and compact with shielding, and able to mount
( ~9 z' B8 H4 a; R9 T> to a printed circuit board with header connector.
- T0 Q" U/ Y C* l& }* y* K >
0 b) W4 B- e( E# ^> At this time, we are interested in samples of a pair of modems that
5 e7 A, B6 X# n9 f3 E2 x4 }* P. _> might be similar to this proposed system. We do not expect that you
, h8 @; m3 a+ w u6 u > provide all of these specifications at this time. I can describe our
4 b/ W5 f% l5 z, u6 f, ~9 g > immediate application needs in the next email if this project is of
' g: s' i I- R1 C2 ^> interest to you. Perhaps you can make the samples by those
% P- A- V* N+ ^* I3 E: b# L > specifications. This will allow us to test your radios before we move
7 k e- v, ^+ z; |6 r5 h> forward. We are interested in your 900MHz radio to start.
, p: R; O2 M( m4 o9 q& _1 B4 B
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