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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

5 d4 H/ t9 Z: J4 L+ Q! ?# z 客户要求如下,如果哪家工厂可以做,请和我联系
7 I& Z' c1 s. \1 u0 w > The application that we have in mind is similar to others that we commonly
# L8 W( `- k' p6 d( |5 `) D> have. If we were to pay for FCC approval, we would want to use the modem
7 l. ]+ A# d' E$ |9 i > units in all similar applications under the same approval number.
7 |- v, i4 |' ]" K+ p: ~& e > Therefore, we would like to be able to configure the units to a specific
% C. W2 |# ^. z9 W0 C7 B' c f! X > application. For the business that we do, this approach will yield more
" H2 N$ S8 N8 i$ ]9 s& P> sales based on the same product and approval. We are interested in the
8 o3 c6 @7 B; p2 E> following specifications:
" m7 V5 J' z4 K+ c; ^6 g8 x>
4 l, ? Q! T4 s) J+ @> - 2 inputs at the Transmitter with three possibilities;
, b9 e/ U. K! j0 |& i( F > 2 analog
# g1 a5 O( R: j5 r> 2 digital
# K4 P/ L$ ]7 T2 c: v; H> 1 analog and 1 digital
" B2 Z3 A7 y& o! m>
. T- d* Y( [$ F> - 2 outputs at the Receiver with three possibilities to match inputs
+ Y! z; }) O% t>
9 E! p! l( x* I8 k: b> - Ability to configure/define analog Transmitter input ranges through
/ ]( }/ t# R; ?& W' ]+ O > simple programming method to correspond with full-range analog Receiver
9 ~& c4 ]+ n' n; V- R f > outputs (0 - full voltage).
! Z; j! i) R9 S+ O/ x' G8 ? >
& y8 W5 g/ |2 R& V > - Ability to configure and set sample rates for the inputs.
1 T3 M* D, O1 S" d>
7 y' f U5 o$ \: {9 P> - Digital output on Transmitter that turns on during the sampling period.
4 a9 y& p0 R m5 g$ P>
v0 k) q6 g1 v% k: B- K > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 F8 ^7 \' _+ K( m$ I> both software control and input hardware control.
1 `! q2 L" q! P3 D9 X>
4 Q! D2 U1 \8 X6 u- ^> In order to configure the units, we would need a way to make the
1 T: |% m/ l* U2 U/ T> settings. This would preferably be from a computer terminal so that
$ W" \1 c) ~' W> configurations can be saved or easily duplicated for production volumes.
% A" ~5 H% _+ ~+ M/ U> The units should be small and compact with shielding, and able to mount
1 n! V- K2 a3 I* M% T > to a printed circuit board with header connector.
W* H8 [ ^: J# y/ D>
) Z+ @5 j# l1 O& T8 L) v > At this time, we are interested in samples of a pair of modems that
+ g' N/ O, i2 R9 N$ c2 U> might be similar to this proposed system. We do not expect that you
2 ~; Z9 }8 r" w. U v > provide all of these specifications at this time. I can describe our
8 n& z' O# I6 X5 w% n2 R% E, ?! i& S> immediate application needs in the next email if this project is of
4 P7 v8 L" H- ~: K> interest to you. Perhaps you can make the samples by those
' U/ G& `2 @4 n0 l) t > specifications. This will allow us to test your radios before we move
/ ?2 g5 S) n' J6 `) w& r> forward. We are interested in your 900MHz radio to start.
3 @0 q0 Y3 }+ s, R
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