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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

" r0 m* @ ~* a) v$ @客户要求如下,如果哪家工厂可以做,请和我联系
: d/ V4 D" q9 B* C7 J> The application that we have in mind is similar to others that we commonly
( u3 {- o- Y$ [6 T: x; f* Y3 X > have. If we were to pay for FCC approval, we would want to use the modem
" R5 v, `! Y* I, o B& U% e > units in all similar applications under the same approval number.
4 i# {; i r% L5 h' h. L > Therefore, we would like to be able to configure the units to a specific
5 _4 ^5 _% c% ~6 J6 ~9 h > application. For the business that we do, this approach will yield more
2 ], P' J3 F3 E' y; Q/ O > sales based on the same product and approval. We are interested in the
( q) R6 T+ Q! _1 v > following specifications:
) g! }7 X& ~, H% q >
7 L$ ^ e1 D q5 i > - 2 inputs at the Transmitter with three possibilities;
) W5 d5 T8 j: i+ U> 2 analog
$ D, T( J/ d+ h1 }> 2 digital
. N% a- ^9 i) {( E- D7 `> 1 analog and 1 digital
; `0 W! Q) e) i9 G2 ^, {& F >
8 ] M& m# p: l/ A8 [! f& D$ ~8 C> - 2 outputs at the Receiver with three possibilities to match inputs
1 l6 U3 w& P, G$ z >
y9 \5 u- P7 y" _> - Ability to configure/define analog Transmitter input ranges through
, g7 c; H7 ?; f( V > simple programming method to correspond with full-range analog Receiver
+ U/ O. _: w) ]- {1 V! Q' J- d > outputs (0 - full voltage).
: z- p; h5 |5 @1 L) p7 m >
6 w" z. O5 d! H. C8 W> - Ability to configure and set sample rates for the inputs.
+ q$ \) z, ?- q+ n >
4 `0 |: n( h2 N+ S- m, O> - Digital output on Transmitter that turns on during the sampling period.
5 o9 c2 J( d: {' t) H+ l9 Y >
5 z$ S8 H$ B: ]> - Ability to configure a power saving Sleep Mode in the Transmitter by
! o4 x; x/ O/ N> both software control and input hardware control.
% t- `- X8 v4 @* ?. Q7 P( { >
1 {( ~3 \1 N3 [+ _- Z> In order to configure the units, we would need a way to make the
; B7 P; _% ?, |$ h$ j> settings. This would preferably be from a computer terminal so that
7 O; O8 r+ D1 _# c4 t > configurations can be saved or easily duplicated for production volumes.
0 Y5 ?/ ] @! Z+ J3 H. {+ L> The units should be small and compact with shielding, and able to mount
Q0 o, g N0 Y+ e& m> to a printed circuit board with header connector.
% h0 j5 A3 z2 ]. z9 Q>
/ W: r* ?* N& B > At this time, we are interested in samples of a pair of modems that
% U7 z& z: l# F- e) t% ? > might be similar to this proposed system. We do not expect that you
8 k* B) q# ?+ x. h> provide all of these specifications at this time. I can describe our
0 ~4 A. k9 U3 g7 t! {( C J> immediate application needs in the next email if this project is of
8 q3 R. B: a8 o> interest to you. Perhaps you can make the samples by those
) d! `6 h" o4 f; @9 `3 R5 ~ > specifications. This will allow us to test your radios before we move
* Q# Q. w: D+ @0 ] > forward. We are interested in your 900MHz radio to start.
) o; X* S! {! z0 Q
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