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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

y. w' J9 n1 a, f% O; q 客户要求如下,如果哪家工厂可以做,请和我联系
1 `$ l4 k9 p. K9 o% d$ e# c7 P2 D > The application that we have in mind is similar to others that we commonly
8 n9 r% z4 \7 V# e! l! q5 v* { > have. If we were to pay for FCC approval, we would want to use the modem
8 w$ Z, z' G9 W. ?6 O2 W > units in all similar applications under the same approval number.
1 F9 L, \' l$ n7 f+ D > Therefore, we would like to be able to configure the units to a specific
/ Z& l$ a6 i2 Q& J: _> application. For the business that we do, this approach will yield more
; M/ B$ p2 f, c2 ^- C7 a5 L) V0 P> sales based on the same product and approval. We are interested in the
! }* r) o' a1 k* i) O/ f# O > following specifications:
) N3 R* E4 y, O/ a. S >
. E& R( J! N/ `6 E3 b( w/ o- [ > - 2 inputs at the Transmitter with three possibilities;
. ]/ p; J( j+ h> 2 analog
' a: ?* c, u7 z0 h/ } > 2 digital
$ x9 ]0 v# H' h! G I3 d' \- G) E& f> 1 analog and 1 digital
" O3 G! g7 x& g/ \- Y2 P- n( n>
6 w' w1 x4 I" _9 L6 S: p3 a > - 2 outputs at the Receiver with three possibilities to match inputs
1 G0 W7 m$ g2 L3 e( F# q! d >
* r5 x# n* P- q$ ~' E+ q$ b7 t1 [> - Ability to configure/define analog Transmitter input ranges through
- I& g5 u% R! z6 e/ ?' a/ n> simple programming method to correspond with full-range analog Receiver
) c' \. A1 P* U1 o+ x. v> outputs (0 - full voltage).
% h# g& H" ~6 ~) V/ b1 n>
% ]5 B0 w) B# \2 Z0 E. O& f5 I- O$ }> - Ability to configure and set sample rates for the inputs.
. S& l9 F$ a, |; S% G >
8 k ]" [- }2 e9 Z" p; W > - Digital output on Transmitter that turns on during the sampling period.
( P/ x5 I N& m2 k; z% z5 Z>
1 ~. {" B. e9 c5 R: Q s+ O; b > - Ability to configure a power saving Sleep Mode in the Transmitter by
! q! s7 \- _. w6 h6 _3 }4 S- x> both software control and input hardware control.
0 l) A$ m! i- E% c, c >
1 u# K% y1 @( u* e2 ~- |> In order to configure the units, we would need a way to make the
; r! |& C6 m9 h/ w+ y> settings. This would preferably be from a computer terminal so that
5 W' p% }/ m. z' N1 K! r9 v> configurations can be saved or easily duplicated for production volumes.
5 C' [9 O% ?9 J7 }! q> The units should be small and compact with shielding, and able to mount
, D6 P2 P' B6 R% t1 J3 C > to a printed circuit board with header connector.
( k- t6 w: G: P1 v! P1 |7 x>
1 l6 N. N$ b3 G- K& N" n > At this time, we are interested in samples of a pair of modems that
/ \) D7 o. i1 }> might be similar to this proposed system. We do not expect that you
8 }. a6 A u' w; P > provide all of these specifications at this time. I can describe our
/ ?# y, _0 m$ b3 k' R& ]> immediate application needs in the next email if this project is of
1 m( ]/ w: M, }& C C9 J > interest to you. Perhaps you can make the samples by those
+ k7 q9 _4 w! Q6 v5 T0 ~0 ~ > specifications. This will allow us to test your radios before we move
. ~3 r: B* Y0 r# s( Q> forward. We are interested in your 900MHz radio to start.
4 Q; s; \" Z( h% s4 B
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