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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

9 v! A3 L! z' G3 I6 T: N8 d 客户要求如下,如果哪家工厂可以做,请和我联系
# d6 Q" S; s6 E5 B* @ > The application that we have in mind is similar to others that we commonly
C- V0 g5 G7 N > have. If we were to pay for FCC approval, we would want to use the modem
* r2 C) \: H, P5 y> units in all similar applications under the same approval number.
) k5 \& V* r4 ~: d > Therefore, we would like to be able to configure the units to a specific
N( o) k2 z* Y9 B6 O0 D > application. For the business that we do, this approach will yield more
! e" q- W; n9 W; ?> sales based on the same product and approval. We are interested in the
2 z7 h9 Z' y5 [. D0 H0 S& j > following specifications:
% d: w" \. e5 B' B7 f+ [9 I/ W >
, | G. g! q3 N9 E> - 2 inputs at the Transmitter with three possibilities;
* u( W, V1 Y0 _! Z& c* P; q > 2 analog
V3 l8 y; x2 [$ b) V* f) ^> 2 digital
5 x# f! C+ [6 x* _, L% y> 1 analog and 1 digital
h. F: |+ [2 ?" C2 B# u>
5 K* e8 Y6 n; E- G3 y' m; G" R> - 2 outputs at the Receiver with three possibilities to match inputs
g8 S7 B7 P' `9 M; I9 t. Q' V3 l>
0 f+ K$ ~, o/ @0 Q > - Ability to configure/define analog Transmitter input ranges through
. `# e+ S- c% f > simple programming method to correspond with full-range analog Receiver
% Y! @7 D3 O+ I$ E > outputs (0 - full voltage).
8 s& b$ ~ _$ K; \8 ^, \2 \ >
0 i$ E: p1 I4 ^/ v7 |8 ?7 r! ~ D > - Ability to configure and set sample rates for the inputs.
$ t' S! C: D9 C L3 A5 O$ c' O& H) Y>
, A+ [0 I7 ^9 _0 Q, }( _. a > - Digital output on Transmitter that turns on during the sampling period.
+ F; b2 c$ e8 e/ i. A >
3 R( x( m: ?6 ~/ E* Y > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 Z9 }2 Z4 ^/ r4 | > both software control and input hardware control.
& e1 N* r; I) | >
* J0 o" g& V' P+ p+ v+ S5 o > In order to configure the units, we would need a way to make the
4 m. R3 z6 O6 t" \0 r5 T> settings. This would preferably be from a computer terminal so that
* K7 }2 Q/ `2 \! t& k6 R' Q2 p> configurations can be saved or easily duplicated for production volumes.
{% f6 b) h2 C! r: P: l; q/ w> The units should be small and compact with shielding, and able to mount
4 J% c% c# F2 Q$ y > to a printed circuit board with header connector.
) W# ~( _$ i# a6 G j1 S, ]/ A>
7 ?( E! W# l; u$ Z7 ~; R) j* u> At this time, we are interested in samples of a pair of modems that
# z( A7 h0 r/ k# \$ a7 A. q5 Y> might be similar to this proposed system. We do not expect that you
( v y* ^! y4 P0 E > provide all of these specifications at this time. I can describe our
6 e# P8 d7 m% d$ o( p6 _ > immediate application needs in the next email if this project is of
2 P( ?6 v4 u3 {+ G% P% l( f7 m > interest to you. Perhaps you can make the samples by those
7 @1 a" c; s$ e T) e1 g. o- W> specifications. This will allow us to test your radios before we move
$ o2 f$ |2 b: m, e> forward. We are interested in your 900MHz radio to start.
/ m8 a% B( R( n5 a9 n' U
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