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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

% i$ t: s* v; z; A* r2 R 客户要求如下,如果哪家工厂可以做,请和我联系
2 v# E6 t' s5 I' F > The application that we have in mind is similar to others that we commonly
. ]* }7 L- u3 c, `/ R > have. If we were to pay for FCC approval, we would want to use the modem
$ |: H* n4 ]0 A {6 b> units in all similar applications under the same approval number.
: C. t+ s' v8 Q: |> Therefore, we would like to be able to configure the units to a specific
4 b# b% K* s% r" _# [0 Y, X> application. For the business that we do, this approach will yield more
: Z$ U) ]* |7 h# O. r- V> sales based on the same product and approval. We are interested in the
: S. F) n6 ^$ ?( M4 s! q> following specifications:
0 [) c$ h0 j1 R, v% e: @3 F >
; ^$ J( @: u! q> - 2 inputs at the Transmitter with three possibilities;
7 ^4 T0 L7 G9 y* j$ w- l$ l& u; R> 2 analog
& l) ?1 ^. R' p4 w( w2 V" \> 2 digital
- Z* v3 H0 R5 s( D4 S* h3 m: K> 1 analog and 1 digital
2 w- Y6 c/ h8 v2 C1 I>
) H8 Q9 B( L+ J/ s2 M. ?. G$ x> - 2 outputs at the Receiver with three possibilities to match inputs
- P: r) L# v* u% `' `) [; m >
/ ?# j( Y3 d' [ > - Ability to configure/define analog Transmitter input ranges through
0 j- i7 V4 t9 ? d> simple programming method to correspond with full-range analog Receiver
$ A/ n! j" ?$ k# }1 K. S> outputs (0 - full voltage).
) K$ Q4 h2 k: _" _4 z >
3 n3 v- c( T# T> - Ability to configure and set sample rates for the inputs.
2 [* T/ R2 h! y>
5 p z' N' O3 _8 k5 n1 f > - Digital output on Transmitter that turns on during the sampling period.
4 `+ x* b' I$ c9 x- F. t) Q$ O$ B >
+ c" m. G$ k9 v) n5 m, Y5 y> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ X% _3 K/ S. g n# [' n$ n > both software control and input hardware control.
! p9 p' c @" D" t P# r' y N>
8 r0 e6 m% K# \: `; `. I* |! h > In order to configure the units, we would need a way to make the
% n7 {$ S. j; C- K+ `8 C> settings. This would preferably be from a computer terminal so that
. S2 D3 v, t) t" X" E> configurations can be saved or easily duplicated for production volumes.
1 A4 Y( G; U, E8 @8 i6 O> The units should be small and compact with shielding, and able to mount
( ^* m4 b. O, [; [7 u3 j> to a printed circuit board with header connector.
% M7 a- \9 Y! I" s9 K) z6 J6 e >
: `( X5 _8 |& M5 R, E' e' X! S > At this time, we are interested in samples of a pair of modems that
" o# Z1 X6 I. ?. a. C6 U> might be similar to this proposed system. We do not expect that you
: k: y4 y J( B/ Y: R; N> provide all of these specifications at this time. I can describe our
' z& e) A o2 I. J> immediate application needs in the next email if this project is of
. o; J* r+ \1 _+ j> interest to you. Perhaps you can make the samples by those
& {1 `' v- _4 b8 `' E> specifications. This will allow us to test your radios before we move
# Q" X- ~2 V" T > forward. We are interested in your 900MHz radio to start.
1 {4 J9 D5 ]: R" ~5 V
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