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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 y' g8 j9 d; I" \4 k 客户要求如下,如果哪家工厂可以做,请和我联系
& n3 Y1 T5 X. K, _4 _! x8 R0 w > The application that we have in mind is similar to others that we commonly
% n3 X' u' q7 A/ b y> have. If we were to pay for FCC approval, we would want to use the modem
9 O0 B- V% w4 N" z0 |> units in all similar applications under the same approval number.
) |1 B! Y$ f9 A5 u- D$ o4 D/ S > Therefore, we would like to be able to configure the units to a specific
7 r% @$ N/ i' G+ s3 w( M/ U > application. For the business that we do, this approach will yield more
6 q& b. m( F' ?7 E2 t> sales based on the same product and approval. We are interested in the
" `6 e6 K$ |& W2 G% c( ~ > following specifications:
% m1 R( h) D& f6 [) j >
0 [0 Q4 z6 _4 t: E, t6 y > - 2 inputs at the Transmitter with three possibilities;
9 y) y6 R+ k6 j0 J2 |6 t: F& [% h( _> 2 analog
) J/ r3 v, N* z' Q > 2 digital
8 J ?' j) b4 Y: i( Z> 1 analog and 1 digital
- I& l" E* ]* h. s/ P8 J>
7 _0 y# [! t( o9 y5 M > - 2 outputs at the Receiver with three possibilities to match inputs
3 @' Q3 T0 L6 {6 P! Z( s2 c( ^1 H >
. E) W) ~ \0 |+ }+ o+ z > - Ability to configure/define analog Transmitter input ranges through
6 e1 W2 V3 b1 t' Z2 i& m7 K > simple programming method to correspond with full-range analog Receiver
5 H5 ~) A6 K8 R' K. N$ Q, S2 Q7 q* a > outputs (0 - full voltage).
2 K$ I% J+ H. ~$ T- ~2 z>
9 N9 _2 x6 h6 @. E> - Ability to configure and set sample rates for the inputs.
* o: @3 H! k1 ~ >
2 |" B4 l2 s) h- @7 K) V0 a > - Digital output on Transmitter that turns on during the sampling period.
# G2 g. ] l6 S1 i>
* T: V8 ~$ j2 x" |2 T, D> - Ability to configure a power saving Sleep Mode in the Transmitter by
: Q: }3 a, \: x& ~$ e > both software control and input hardware control.
8 }" R9 Q2 Z. N' y>
8 `9 y! K2 ~" o > In order to configure the units, we would need a way to make the
: C% i7 |9 ^2 u T, b7 O > settings. This would preferably be from a computer terminal so that
: _) U7 Q) H( G9 j! l" z2 ] > configurations can be saved or easily duplicated for production volumes.
- a Q& E( B% O1 O" Y; g# U% N > The units should be small and compact with shielding, and able to mount
9 E0 Q0 E7 p! K5 b* r2 H3 ^ > to a printed circuit board with header connector.
' \, o' i2 a- N0 U) y6 J! k>
- z6 [/ b( }* J2 c" v7 [ > At this time, we are interested in samples of a pair of modems that
* U1 y5 t; `% E# i4 G+ v. B > might be similar to this proposed system. We do not expect that you
. R- i7 H8 \& y" V$ y> provide all of these specifications at this time. I can describe our
& k" m5 L1 z, v2 Y3 J > immediate application needs in the next email if this project is of
* H) _$ d( _. {> interest to you. Perhaps you can make the samples by those
( o/ ~# ?$ [9 P p2 J> specifications. This will allow us to test your radios before we move
" C) e6 _9 Y, z k$ v> forward. We are interested in your 900MHz radio to start.
4 c. H% U1 G7 X, g: J
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