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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

& a4 K. i( ^- j% ]. L客户要求如下,如果哪家工厂可以做,请和我联系
% l- K" L7 r6 ^ U1 ? Y > The application that we have in mind is similar to others that we commonly
5 q9 P6 Z: Z+ X$ \1 q; S1 R > have. If we were to pay for FCC approval, we would want to use the modem
$ ?6 |6 w) |8 c) { > units in all similar applications under the same approval number.
* F4 u/ h" k1 R; }) F# @# c/ o% x1 p > Therefore, we would like to be able to configure the units to a specific
+ X% `6 l' e5 Z) y0 T> application. For the business that we do, this approach will yield more
, m& K' d& [4 n6 m> sales based on the same product and approval. We are interested in the
5 Q2 B& k+ r, F5 K/ q! W> following specifications:
) [$ ^6 Y7 Q: E. N5 a6 }>
% `+ S! v# P$ R > - 2 inputs at the Transmitter with three possibilities;
8 }3 n8 J; Z6 O7 I% f3 C* }> 2 analog
1 J1 b4 F$ v# w > 2 digital
& U- \3 C" |# X; `/ w > 1 analog and 1 digital
% Z' J% M% e# ~2 h>
6 i% K# p. S3 h) y8 Y) u> - 2 outputs at the Receiver with three possibilities to match inputs
% d! k- ]8 f. b& ?>
0 T6 W% r) c7 D > - Ability to configure/define analog Transmitter input ranges through
9 |- K0 ]7 P8 ~$ U+ B+ o: h- M> simple programming method to correspond with full-range analog Receiver
h6 Z- w: ?2 K* f# Z- P) j) L> outputs (0 - full voltage).
% W) E3 f3 w. |; P( ~5 C- N>
1 H- y* U( z6 x > - Ability to configure and set sample rates for the inputs.
1 S9 w; H( Q4 J2 @% L; R* f >
6 T) I9 z& ~0 v> - Digital output on Transmitter that turns on during the sampling period.
# U5 G y! z+ k1 I >
2 \/ c/ W) Z. H0 c5 _- r+ k/ z> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 q6 a) x$ u/ N> both software control and input hardware control.
1 ?- @1 W( [0 K9 G1 K >
5 L0 X/ z6 i# V3 @; \ > In order to configure the units, we would need a way to make the
: m0 L, a; f0 M0 M> settings. This would preferably be from a computer terminal so that
7 \( y+ o" v3 X9 K( } k > configurations can be saved or easily duplicated for production volumes.
$ J1 k$ x! z$ x+ P5 q> The units should be small and compact with shielding, and able to mount
* w5 M( w9 v; i> to a printed circuit board with header connector.
; d- H2 @" ^4 r, g) W; Z >
3 ^( U6 ~. A- `3 y$ r> At this time, we are interested in samples of a pair of modems that
# {; d g O5 @( v' v > might be similar to this proposed system. We do not expect that you
% X. Y' ^6 R3 E! t1 M4 w2 j) C > provide all of these specifications at this time. I can describe our
9 Y, ^; J2 t# E) A& z1 [7 E' b > immediate application needs in the next email if this project is of
- H2 }1 E( \3 O, E > interest to you. Perhaps you can make the samples by those
% H$ D3 `5 ]+ B$ r4 D1 y' K9 e' g > specifications. This will allow us to test your radios before we move
# z9 m/ j/ ~/ }$ n7 P% s7 c > forward. We are interested in your 900MHz radio to start.
. H' z# S( m9 I; n1 P
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