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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

$ B; X8 q( Z5 I d" B- T2 ]3 k. W* {客户要求如下,如果哪家工厂可以做,请和我联系
* `" @1 q$ G F1 Y> The application that we have in mind is similar to others that we commonly
6 R6 N8 a. m% _/ b. l> have. If we were to pay for FCC approval, we would want to use the modem
, Q, W: ~8 U: B' R) r > units in all similar applications under the same approval number.
0 O! e* H: V4 m! N* g5 d> Therefore, we would like to be able to configure the units to a specific
! w* v" b9 A- J, ^$ H& k5 r > application. For the business that we do, this approach will yield more
/ b3 ~, I Q' b > sales based on the same product and approval. We are interested in the
, d$ }7 a- J# }4 R > following specifications:
) ^# ?7 p- X# m4 `# p- A>
+ i2 q; K; s, k> - 2 inputs at the Transmitter with three possibilities;
$ u; g" J6 ?: _# g, t4 X9 ?; f+ u" } > 2 analog
5 |5 S3 v" z: R6 u > 2 digital
8 S1 ?7 J5 A6 N > 1 analog and 1 digital
2 d& t: g# q/ c1 j3 p9 u' x, P& c >
7 h$ K$ c4 z# Q7 a: \' r > - 2 outputs at the Receiver with three possibilities to match inputs
% u! U( s. {- E4 K+ w >
& k8 W7 p) R- _+ h5 C& ^" q! R > - Ability to configure/define analog Transmitter input ranges through
5 U. I) Q. ?3 F) u) z( N p' A > simple programming method to correspond with full-range analog Receiver
4 D) a7 R |8 z G+ A > outputs (0 - full voltage).
3 ~% S, v* ~; p0 ~- e- L% P>
4 M3 s' V1 X0 m6 u9 ]$ X> - Ability to configure and set sample rates for the inputs.
+ V0 J% C5 m0 u: y>
# v- ]+ v1 q- \9 x; m6 w5 M> - Digital output on Transmitter that turns on during the sampling period.
; Q) T3 h* X. ]$ h3 |- L >
& @7 n% d1 Y/ Y0 c' M5 `! ~* f> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 a4 v6 v: d) s7 s+ c> both software control and input hardware control.
$ [; I) r4 o7 q' B5 f& ^% p X% @ >
9 ~8 g" M. n" o" @8 x2 e > In order to configure the units, we would need a way to make the
$ ]# V% o0 s' a6 t, [4 T > settings. This would preferably be from a computer terminal so that
3 C' Q/ U4 e+ W" `: N > configurations can be saved or easily duplicated for production volumes.
% _, b1 X0 i) v > The units should be small and compact with shielding, and able to mount
* c3 o/ p2 a% n > to a printed circuit board with header connector.
# y% x/ P$ m) Q3 g+ D7 @ >
' }! [% v* g, h$ b6 r, d> At this time, we are interested in samples of a pair of modems that
, I, r- K* ^8 m1 }* p6 w > might be similar to this proposed system. We do not expect that you
2 H2 |7 o4 U+ N: f8 M- F/ a > provide all of these specifications at this time. I can describe our
' I6 k( P! g7 k0 U > immediate application needs in the next email if this project is of
/ z% R& d9 R/ | @ > interest to you. Perhaps you can make the samples by those
# G. N$ b: i) l5 ~ u > specifications. This will allow us to test your radios before we move
1 O6 y( Q. Q% r. Q. h4 O > forward. We are interested in your 900MHz radio to start.
6 F; H1 \, z' w) O6 s! U8 G; @8 H; S ~
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