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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

8 O1 M3 ^. w' t; e客户要求如下,如果哪家工厂可以做,请和我联系
" l4 S& @7 M) R% E2 y> The application that we have in mind is similar to others that we commonly
1 w3 ?. w$ k5 E% I1 T2 `> have. If we were to pay for FCC approval, we would want to use the modem
( y3 Y5 m1 E4 r > units in all similar applications under the same approval number.
' H6 S' [- o- o0 I9 e4 R: A2 _> Therefore, we would like to be able to configure the units to a specific
0 x- f2 G: q2 u/ f! T8 i# R > application. For the business that we do, this approach will yield more
7 i2 o( y5 M& w: j# _3 I > sales based on the same product and approval. We are interested in the
* v7 {: U8 Z& r/ E% F% u6 ]$ s > following specifications:
7 a& L0 N9 i( u/ C' a>
- O& r( _" B5 j+ }, z> - 2 inputs at the Transmitter with three possibilities;
# r3 o/ k# ^. i2 [ > 2 analog
& ?# f( M# _/ ?; V> 2 digital
' g+ T( n: ~8 O > 1 analog and 1 digital
) U M6 V% \4 g& L- a3 y' U# N) l>
9 b. l8 v! h; h8 S1 j4 z6 Y: r> - 2 outputs at the Receiver with three possibilities to match inputs
3 K7 p! A* b) Z) [+ U3 X >
3 P0 X7 ~6 P' u > - Ability to configure/define analog Transmitter input ranges through
' q7 e5 K; P% Q$ E& o2 g( ^> simple programming method to correspond with full-range analog Receiver
/ v8 A$ @7 {' n+ r2 O ]/ A > outputs (0 - full voltage).
( b2 v1 }+ ~+ b1 w>
: j6 g) z5 H# c% u > - Ability to configure and set sample rates for the inputs.
0 ?1 Y9 W3 b- s) R& w5 h" a >
; L* J, d% f' y& E! w> - Digital output on Transmitter that turns on during the sampling period.
. c. Y0 A6 Y) }9 e>
! o0 G0 ~% ^8 t. O- k, A3 W > - Ability to configure a power saving Sleep Mode in the Transmitter by
, P0 F$ P# k2 D( y9 @ > both software control and input hardware control.
1 Q( a! U# }: | >
% O9 `7 N' ?. K {" T > In order to configure the units, we would need a way to make the
4 g6 K. t3 q- \# M9 s9 v! R> settings. This would preferably be from a computer terminal so that
; |; b2 u; O, ?0 V4 ?> configurations can be saved or easily duplicated for production volumes.
$ w5 E. o% g9 y0 v6 g > The units should be small and compact with shielding, and able to mount
/ B: j4 X% F: ?% W& o, |> to a printed circuit board with header connector.
* M, v$ \6 n7 C& ?- X' J0 ] >
. k! b. V) }- M/ U' ?> At this time, we are interested in samples of a pair of modems that
$ S0 o, N& a3 e: Z/ z D9 Y> might be similar to this proposed system. We do not expect that you
. }! B$ f5 x* g2 ^6 [7 q > provide all of these specifications at this time. I can describe our
$ y6 a, [! u6 o> immediate application needs in the next email if this project is of
8 N+ d; W. x& F> interest to you. Perhaps you can make the samples by those
% x9 f* v8 G% E* S" P# k, Z: g> specifications. This will allow us to test your radios before we move
: N( z8 q3 x. w3 N- C6 j> forward. We are interested in your 900MHz radio to start.
. y( B/ U, L7 V" T& ^5 w& H" \4 D
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