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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

! K+ h p, \3 U2 ^8 A 客户要求如下,如果哪家工厂可以做,请和我联系
& ?% h b, ]5 i* j! v3 Z4 G7 ]> The application that we have in mind is similar to others that we commonly
, N! U) m2 c3 L> have. If we were to pay for FCC approval, we would want to use the modem
+ e) P% S+ W, f' y/ x > units in all similar applications under the same approval number.
: I3 q1 g/ v. u. Q- [ > Therefore, we would like to be able to configure the units to a specific
: A- E% }( w; N. M. p# T' R% f8 [" ~> application. For the business that we do, this approach will yield more
- L2 ~ q6 \3 B1 U8 k. C7 f> sales based on the same product and approval. We are interested in the
' x7 `/ u2 r9 V5 R > following specifications:
! `& e$ G: ?$ m% J# j3 Z >
# e* x0 }& t1 g% e- v> - 2 inputs at the Transmitter with three possibilities;
# V+ _1 W3 w/ h5 s> 2 analog
& S) w: n* j; E5 ? _> 2 digital
; y$ m# z$ a" f; B3 L8 F9 h> 1 analog and 1 digital
3 H; m2 G2 k9 w2 d>
$ K( a! n, `" Q/ {$ w, [: U& g0 ?> - 2 outputs at the Receiver with three possibilities to match inputs
6 k+ L& @: o& p. k1 t >
; [1 z0 N( z/ W/ f/ m> - Ability to configure/define analog Transmitter input ranges through
* Z+ S* }/ {; H) x5 | > simple programming method to correspond with full-range analog Receiver
l4 K6 n# f: j/ }% \ > outputs (0 - full voltage).
7 k e+ R% i3 S>
: p. R- q$ j- B > - Ability to configure and set sample rates for the inputs.
- f% B& h' r, f* ?3 ?7 ]$ A >
+ j8 K& Y) G5 s6 [ > - Digital output on Transmitter that turns on during the sampling period.
# ~# ?) p5 J( ~7 F$ R0 l6 b$ C>
" W; A6 k6 I, h! F) V& ~ > - Ability to configure a power saving Sleep Mode in the Transmitter by
; m* q) t$ d2 f% @1 r > both software control and input hardware control.
6 h9 \7 D/ D& q >
! m0 i- V8 S) P- J8 n; X> In order to configure the units, we would need a way to make the
: X. o2 J5 Y" ^2 b' H$ M! J> settings. This would preferably be from a computer terminal so that
" g( e5 w( J3 I0 ?9 L+ K0 u> configurations can be saved or easily duplicated for production volumes.
8 g+ n' e; a9 m > The units should be small and compact with shielding, and able to mount
% x, S; b k0 e3 T; W- }6 R> to a printed circuit board with header connector.
! l5 U @9 l) e4 B1 E- Y8 w3 X>
0 P( n6 P- m% r7 v1 j> At this time, we are interested in samples of a pair of modems that
- ~7 I2 v- r7 h! I > might be similar to this proposed system. We do not expect that you
3 i4 m% s( L! E9 g! c> provide all of these specifications at this time. I can describe our
2 }. C( _% G/ e$ ? > immediate application needs in the next email if this project is of
% e( t* }2 p8 ?' [0 w1 y$ n! V# ] > interest to you. Perhaps you can make the samples by those
) q* h2 n# X: J7 X4 \> specifications. This will allow us to test your radios before we move
: T$ V+ U$ x0 z6 E g > forward. We are interested in your 900MHz radio to start.
; Y8 G+ Q- s$ B: }1 O& U( W( r) d
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