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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

, h! n# ? v% x# e( [' l! x$ `! l客户要求如下,如果哪家工厂可以做,请和我联系
8 T1 |3 {: `' P > The application that we have in mind is similar to others that we commonly
: w7 B5 q1 [# D5 E > have. If we were to pay for FCC approval, we would want to use the modem
# U5 `3 b/ f$ @3 M0 e ^- i> units in all similar applications under the same approval number.
: B- s4 H, K* w9 Y* q+ G n# d > Therefore, we would like to be able to configure the units to a specific
g7 @) t* E$ x% B* r > application. For the business that we do, this approach will yield more
0 N& X. ^; F/ {2 O+ Q2 l9 r* C& D> sales based on the same product and approval. We are interested in the
3 D# z1 C+ ^! {( ^# K' [ > following specifications:
' }3 h$ r8 _6 o >
" `/ o( \ }& v: J0 R% _. o4 H > - 2 inputs at the Transmitter with three possibilities;
$ Y- @+ ~* ~2 ^6 t( l> 2 analog
$ U+ {3 {3 @/ e; y > 2 digital
* U1 d: J# A4 o- y& @ > 1 analog and 1 digital
& I( a: }/ J8 W0 y5 r5 B6 b& u>
5 D6 M# \9 z6 N( M7 D( ]6 D> - 2 outputs at the Receiver with three possibilities to match inputs
5 t8 O. \# X5 Q# s: k >
" ?* k: U" \! J/ s9 x! a& ]> - Ability to configure/define analog Transmitter input ranges through
% b1 ?3 q! y8 F7 Z1 I' D7 V > simple programming method to correspond with full-range analog Receiver
! G& G# y0 z2 g* `% k> outputs (0 - full voltage).
2 i" [3 v; ?4 u& G+ [/ z >
& s. i' O# v* U# W9 g/ z3 X* e> - Ability to configure and set sample rates for the inputs.
' d- j5 j/ g: C- {9 y. i>
/ W: @) ?. V) X: @> - Digital output on Transmitter that turns on during the sampling period.
% S6 l8 v3 @# v/ D( H6 u) Q+ ] ~>
( r2 P5 ^ K1 Z' } e: Z> - Ability to configure a power saving Sleep Mode in the Transmitter by
* ^! a3 r1 X/ A# m, I+ a> both software control and input hardware control.
/ [7 C, M/ G9 U>
/ @ ]8 G$ c# R+ r" G( n& z- w0 v> In order to configure the units, we would need a way to make the
* ~& S0 U. b" {$ m> settings. This would preferably be from a computer terminal so that
: m! h3 L9 F& F$ s, E% S, }> configurations can be saved or easily duplicated for production volumes.
' u. J6 k0 O, Z: |6 r9 h) V% G5 q& @ > The units should be small and compact with shielding, and able to mount
e2 n' |, d# n ? V2 [& g> to a printed circuit board with header connector.
# J" E* i# ]3 n>
/ B" R8 J" i* s1 o! P> At this time, we are interested in samples of a pair of modems that
9 Z- w$ K0 x$ _ M > might be similar to this proposed system. We do not expect that you
7 S/ |0 Z! I" e9 N% h> provide all of these specifications at this time. I can describe our
. v @6 i) E2 f3 E* T7 y > immediate application needs in the next email if this project is of
! P1 N7 G9 }9 G! _9 ?& @, Y > interest to you. Perhaps you can make the samples by those
5 h7 }5 R" M( T: X3 N" w > specifications. This will allow us to test your radios before we move
w( b4 E; F% X g& x> forward. We are interested in your 900MHz radio to start.
( m0 Q" Q: N( v
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