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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

* m& s% m+ `* l* v 客户要求如下,如果哪家工厂可以做,请和我联系
( e" t9 x) B* k: i# K: ^1 w5 z9 h > The application that we have in mind is similar to others that we commonly
3 _: C: F; w) N" P3 H+ v" O> have. If we were to pay for FCC approval, we would want to use the modem
7 ^+ |0 k' Z2 T> units in all similar applications under the same approval number.
! J& `' y& S |" T7 | > Therefore, we would like to be able to configure the units to a specific
# K9 T) z/ x! {: V- |> application. For the business that we do, this approach will yield more
* b9 O$ f* j7 w! [8 _2 v> sales based on the same product and approval. We are interested in the
' v- ^. V3 @( t4 I P: L9 Q > following specifications:
$ r5 I( c7 E+ R) a- ~# z) O >
1 [* C# S% U6 c1 C > - 2 inputs at the Transmitter with three possibilities;
5 P$ o0 t* f& @( B, N% C- q> 2 analog
9 [' D9 ^# c; t$ d: i, p > 2 digital
, a) Z& @/ C* \+ e& d, q: z. }4 ^ > 1 analog and 1 digital
) P' a2 Z2 X/ X' A# e& b>
/ Y8 ?; H7 l7 m5 e/ m: y> - 2 outputs at the Receiver with three possibilities to match inputs
* b1 s8 T6 h4 b! r, k. p& B Q>
; L% I* s, N9 A" D> - Ability to configure/define analog Transmitter input ranges through
9 B# U5 ^( f+ m> simple programming method to correspond with full-range analog Receiver
0 r% u$ v6 T! x- @. | > outputs (0 - full voltage).
$ H, E o2 e8 j/ {- j >
$ a1 @! {' ^6 H3 A> - Ability to configure and set sample rates for the inputs.
f& ^) T8 s- g: U: K9 j! w >
1 b( d3 l* u D- m8 _$ n> - Digital output on Transmitter that turns on during the sampling period.
: \ |4 G- ^3 I6 t$ ^( Q >
8 t' J0 x5 Q& y+ u, v > - Ability to configure a power saving Sleep Mode in the Transmitter by
: o- d6 W4 C5 d0 z > both software control and input hardware control.
o. Y$ j Y$ R) [6 B: {>
# s$ T0 k7 i$ p> In order to configure the units, we would need a way to make the
+ _$ L, j Y+ f6 `) S% X > settings. This would preferably be from a computer terminal so that
' ]3 m0 ]' X2 x \ f+ h* v* }, H> configurations can be saved or easily duplicated for production volumes.
2 P4 c2 N& \; p& q$ o5 x0 w/ [% D' R > The units should be small and compact with shielding, and able to mount
! \* ]* \! ~ X> to a printed circuit board with header connector.
% H0 J& Y% m3 [8 Z6 K1 N' D! Y >
# l0 v0 g$ q D# p. o> At this time, we are interested in samples of a pair of modems that
# F2 l) W( I2 A4 P) v$ A6 a) c > might be similar to this proposed system. We do not expect that you
1 u C4 {: q& u5 V > provide all of these specifications at this time. I can describe our
9 E- B. q1 X- F6 i> immediate application needs in the next email if this project is of
8 K+ R% ]+ i$ b% S' i J > interest to you. Perhaps you can make the samples by those
* o* _, h2 G5 O6 S1 P+ \; K > specifications. This will allow us to test your radios before we move
4 _# ~/ P7 J6 \6 r( y > forward. We are interested in your 900MHz radio to start.
3 }* e# R2 M) W- K( K! o: V- p
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