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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 i) K6 d; l2 j3 }% W4 ]4 b( w客户要求如下,如果哪家工厂可以做,请和我联系
5 K, w' u7 o3 W. u" f> The application that we have in mind is similar to others that we commonly
# e, @+ W' S, @% f) w$ @+ ?> have. If we were to pay for FCC approval, we would want to use the modem
6 b3 m& B% u/ }> units in all similar applications under the same approval number.
@* H: e4 G3 P v: Y> Therefore, we would like to be able to configure the units to a specific
* s% d! U4 ?- M > application. For the business that we do, this approach will yield more
7 F; t J" V/ h- n J> sales based on the same product and approval. We are interested in the
, z% n' P9 ~" x9 X( e8 e$ {7 T> following specifications:
0 q, y {( c$ r >
- l- K& g, |; m$ C/ M# ?; p> - 2 inputs at the Transmitter with three possibilities;
k0 r: p2 K5 R; v0 y> 2 analog
C% z: s' o# _> 2 digital
& c0 ]1 i v& T/ o8 `- R > 1 analog and 1 digital
5 c$ w2 J: P. Z7 _ >
S# U# J* d% u2 r) a > - 2 outputs at the Receiver with three possibilities to match inputs
$ R- o3 [" v6 [( D" J) e& p$ ?! a>
" }" t% Z! d% S3 ?. [> - Ability to configure/define analog Transmitter input ranges through
c) c4 R; H' {2 u> simple programming method to correspond with full-range analog Receiver
( ]' x! d1 P3 N( i: F% h> outputs (0 - full voltage).
; X' N6 m4 a& b>
, L. b! e) z5 q3 a> - Ability to configure and set sample rates for the inputs.
' ]/ S2 r3 B) ]( V- a >
: T# W* ?5 O+ W+ g* Z > - Digital output on Transmitter that turns on during the sampling period.
+ B B; e9 k" S A( m+ B4 W >
/ R( u5 S2 ?# V: ]! I > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 Q8 Q3 d! X; t1 a( v; h2 D > both software control and input hardware control.
1 `3 D3 a1 ~6 {* M* V9 z u>
* _- g; ]1 ^6 e+ ?* N0 G+ R> In order to configure the units, we would need a way to make the
U3 s) P# w9 N( J% i, {# m% \3 X > settings. This would preferably be from a computer terminal so that
, W1 a( V+ u* ~> configurations can be saved or easily duplicated for production volumes.
2 J$ T9 E6 y% D: m6 c) z > The units should be small and compact with shielding, and able to mount
: Z" c1 ?* M6 _' ^ > to a printed circuit board with header connector.
T/ q- X' i2 @$ j% ]4 u# U% F>
p9 f/ }$ [; A! m, l8 [7 |> At this time, we are interested in samples of a pair of modems that
7 J- C J- R9 g3 @9 q> might be similar to this proposed system. We do not expect that you
( M# Q- p) n1 [+ m1 A" o> provide all of these specifications at this time. I can describe our
/ ?" O/ W1 z; z( V+ J# n! i > immediate application needs in the next email if this project is of
0 o: }; |! Y8 P1 u, {. v6 f > interest to you. Perhaps you can make the samples by those
, k- H S5 `% r> specifications. This will allow us to test your radios before we move
4 Z/ y- j+ A* J+ D, Q, u- D > forward. We are interested in your 900MHz radio to start.
- d v, \$ \. Y( h
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