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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

' ^; g# U, _2 ? 客户要求如下,如果哪家工厂可以做,请和我联系
0 n) T) w$ `+ P/ {3 u > The application that we have in mind is similar to others that we commonly
3 m1 [5 g6 R2 E$ S& v0 k; G> have. If we were to pay for FCC approval, we would want to use the modem
. x5 C3 S& g8 ~ > units in all similar applications under the same approval number.
* b* ?7 P w) `& J2 N> Therefore, we would like to be able to configure the units to a specific
/ R+ V7 V0 x) @( a0 F" d: T> application. For the business that we do, this approach will yield more
8 a! C2 c' y8 C" f% n' B# k5 U- g > sales based on the same product and approval. We are interested in the
& O J& t6 X- v. [3 ?5 | > following specifications:
6 H; y$ M: W! [) W2 f' @0 E9 L>
3 y3 l* b8 v: k > - 2 inputs at the Transmitter with three possibilities;
% Z$ J3 t4 F* c4 \8 X > 2 analog
8 k1 R& `) K* [5 A# ^6 T > 2 digital
' l" E1 M' P: H/ w7 o" K; E> 1 analog and 1 digital
7 x7 o* F, v% M# o* K9 K>
/ [# g* D! N( b' I > - 2 outputs at the Receiver with three possibilities to match inputs
' R- s' K, \" Y( S) V4 m# @, J/ K& |>
: P# x1 V% E3 Z: \, L$ b4 A) Y > - Ability to configure/define analog Transmitter input ranges through
3 x+ h6 A, t2 C9 E, [! ^* @1 U> simple programming method to correspond with full-range analog Receiver
: u' _& D" v% J5 {2 O/ E> outputs (0 - full voltage).
( H1 x' O2 ]' p. t5 g5 ?; T>
5 U4 q0 g8 [/ n4 k7 R' y/ l! q! Z( j> - Ability to configure and set sample rates for the inputs.
' ]; x! G- V6 } a3 n6 s9 @- t1 u$ N! j>
% D: M g) Q5 }" c( v8 K7 G > - Digital output on Transmitter that turns on during the sampling period.
8 D T- N. G' ]6 N>
, v) z# ]4 a* G# Y; G3 [- B3 O5 d [ > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 s9 b& f2 _, r. l; O! A! |/ j6 u > both software control and input hardware control.
" g$ N) P- E* j- a>
0 q7 q }3 B! p( [> In order to configure the units, we would need a way to make the
0 g0 D( N/ s6 z) t3 O$ a > settings. This would preferably be from a computer terminal so that
& S; N' o: Y1 N1 `; p* U$ L> configurations can be saved or easily duplicated for production volumes.
- r) I j: k# d' _/ I3 m, o > The units should be small and compact with shielding, and able to mount
6 Y2 @; A. D% J2 w1 n> to a printed circuit board with header connector.
- p8 i0 r1 ^& o( d1 [! k >
1 Q' N' G Q' Z! ~3 g+ {2 x1 p5 F> At this time, we are interested in samples of a pair of modems that
; {" e: c3 ?, C' w# ?2 Y> might be similar to this proposed system. We do not expect that you
# @3 E- J6 B/ C8 Q > provide all of these specifications at this time. I can describe our
+ p F" n3 Q; g2 B7 W! p) \> immediate application needs in the next email if this project is of
1 j. @3 ~( y' s9 k> interest to you. Perhaps you can make the samples by those
8 e8 E8 a) C9 h( Q2 }- {> specifications. This will allow us to test your radios before we move
0 v7 o/ n) t+ h: m > forward. We are interested in your 900MHz radio to start.
l3 ?9 [" Z8 q# }* ]% L
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