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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

# M) V4 Q. V2 D! R0 U3 P 客户要求如下,如果哪家工厂可以做,请和我联系
! u- t, l+ W7 Q) Z) l: Y4 ]& S1 M > The application that we have in mind is similar to others that we commonly
3 x& |: F! S/ q$ t7 S U> have. If we were to pay for FCC approval, we would want to use the modem
; R: V& ^: N X( X5 B > units in all similar applications under the same approval number.
6 {1 t0 n+ ^' W6 W" m > Therefore, we would like to be able to configure the units to a specific
% m5 ?; O: b& j# ^' M > application. For the business that we do, this approach will yield more
1 W! y/ f; h" Z! i. i3 Z, k; }; H2 W > sales based on the same product and approval. We are interested in the
4 U9 H. G0 P, c( I) u, M> following specifications:
. ?8 D, A( W5 G: S' a+ G>
9 t8 ^: U* X1 K- |- L> - 2 inputs at the Transmitter with three possibilities;
, I/ ]% n* ]6 ` > 2 analog
, o @" U7 w+ Y+ c2 W. C8 i. { > 2 digital
( C8 t! e$ X3 G8 D( Z7 _& y/ t > 1 analog and 1 digital
3 i' W, T/ O. d% [: O4 n>
' y( d, H# F) ?3 N" K> - 2 outputs at the Receiver with three possibilities to match inputs
" M9 h# o9 u' z8 w$ [ >
5 x+ @1 s2 D5 o2 q: L" x; Z> - Ability to configure/define analog Transmitter input ranges through
7 D u3 ~. _# ]9 O3 i> simple programming method to correspond with full-range analog Receiver
: b+ v. t; Z1 H* \> outputs (0 - full voltage).
" R- Y, H6 L; |# h1 L! J5 E' ^/ Q* U >
8 Z7 W( A' H; r( }% q/ a- N> - Ability to configure and set sample rates for the inputs.
8 _% d( _7 j4 o# C$ R>
6 W% i5 a3 R% y; v( ]) f > - Digital output on Transmitter that turns on during the sampling period.
* c5 S" I: m! z4 H# d>
) Q6 W" R0 _# D* K8 j > - Ability to configure a power saving Sleep Mode in the Transmitter by
# w9 ]7 ^! Z7 h8 ?2 t4 E> both software control and input hardware control.
1 E6 d8 l) i5 r' ?, c; B. l0 h>
% R! |8 p% i) v5 J4 `6 D# T> In order to configure the units, we would need a way to make the
: a* r6 M1 e- U0 ?+ Y, u > settings. This would preferably be from a computer terminal so that
+ c! L" l3 [" H! k3 i' e> configurations can be saved or easily duplicated for production volumes.
9 ?3 j+ Q, r7 Z. C> The units should be small and compact with shielding, and able to mount
! R9 B. Q: [3 s y7 T5 H> to a printed circuit board with header connector.
% q$ M7 \0 K& [3 z/ f0 s- ?) p+ r >
: i8 D W" ?& r$ F6 r > At this time, we are interested in samples of a pair of modems that
3 d* c( @* v5 P2 z. {2 L> might be similar to this proposed system. We do not expect that you
3 }6 T8 B% W# j( a> provide all of these specifications at this time. I can describe our
, P) g1 W$ }5 E, i6 _ b > immediate application needs in the next email if this project is of
* T3 h+ {# |, K% x. V% U > interest to you. Perhaps you can make the samples by those
# A' [6 h( O9 w" T) e > specifications. This will allow us to test your radios before we move
4 z; A( _3 I# H> forward. We are interested in your 900MHz radio to start.
t# l2 o; `8 R* U' S5 i: O
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