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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

1 K+ X5 @: B4 T) x" A5 w% ^客户要求如下,如果哪家工厂可以做,请和我联系
# ]8 o2 m+ {$ h7 y4 k% k2 c/ U > The application that we have in mind is similar to others that we commonly
5 Z3 \( X1 e6 d> have. If we were to pay for FCC approval, we would want to use the modem
+ T$ U4 U1 Z3 f > units in all similar applications under the same approval number.
$ b, P g7 O5 L > Therefore, we would like to be able to configure the units to a specific
2 j: t9 ^+ N7 y' {! E> application. For the business that we do, this approach will yield more
4 q) ~9 O! {5 t* ^7 t- E> sales based on the same product and approval. We are interested in the
. S8 K, f: W# t3 M" P% [# X% f> following specifications:
/ a: @/ c$ u& E9 i7 K1 d: Y7 a X1 ~ >
$ O# {1 E7 R, h& Q> - 2 inputs at the Transmitter with three possibilities;
* q2 r% l6 u) C7 s( \! N > 2 analog
9 a% {$ U/ c( j, j> 2 digital
0 |& `0 k% ~% J; |; g4 R7 z8 c> 1 analog and 1 digital
0 H% x: S5 [: a* r E' O3 z>
0 ]9 h( A( w5 K8 ~7 ^> - 2 outputs at the Receiver with three possibilities to match inputs
- B8 A, b8 n! g! H' i>
; R0 B4 R9 J0 z* f6 |# K > - Ability to configure/define analog Transmitter input ranges through
5 O. U2 M: l1 q% O7 q- v9 O > simple programming method to correspond with full-range analog Receiver
& J$ c9 j( K' s! T% z+ m8 c( ~( | > outputs (0 - full voltage).
f# D' C+ \. d: s4 }1 Z>
: |7 g3 D: P9 Q; ]" |" } > - Ability to configure and set sample rates for the inputs.
. `; `$ g& i3 m4 B& y>
}# R( [7 x8 i, b> - Digital output on Transmitter that turns on during the sampling period.
- L4 x. Z. F6 g V }4 R( z>
3 K- D) c5 Z l3 v* q > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 x1 m# K0 Y# A! F1 X) c > both software control and input hardware control.
1 Z; I5 ]8 E3 I9 b>
9 w9 k- h2 T/ B' o> In order to configure the units, we would need a way to make the
5 j1 s7 s! \9 v2 g> settings. This would preferably be from a computer terminal so that
6 m1 z3 K# F8 O+ n0 I7 n& o > configurations can be saved or easily duplicated for production volumes.
: q$ f' B% m' U Y* s( C > The units should be small and compact with shielding, and able to mount
. |% y) x, s9 r& f. y6 j2 r% D5 M > to a printed circuit board with header connector.
& h* q' Q6 t+ Z" x9 Z! P' _ B( ~0 @>
# i4 a( b% m( _# ~+ n > At this time, we are interested in samples of a pair of modems that
, W7 |" `: b% ^; I3 x- P5 K> might be similar to this proposed system. We do not expect that you
- v, j! W M8 J4 V3 X# ]1 ^2 U> provide all of these specifications at this time. I can describe our
; [- c; j6 V5 D( w/ O9 F> immediate application needs in the next email if this project is of
8 O5 M" F- V" x; y> interest to you. Perhaps you can make the samples by those
' C3 o- X+ L! T$ S2 a$ `3 G2 R> specifications. This will allow us to test your radios before we move
% J2 X' }/ N( x: l> forward. We are interested in your 900MHz radio to start.
' h/ B9 Y0 i8 L
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