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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

0 H# |/ c) d+ K9 D$ O客户要求如下,如果哪家工厂可以做,请和我联系
; O, K6 ]' ~* u7 o3 l > The application that we have in mind is similar to others that we commonly
1 b0 r3 a0 _; H0 R$ f# p9 W# c> have. If we were to pay for FCC approval, we would want to use the modem
3 T5 \0 k D$ f5 r6 n) u+ M& `; ?> units in all similar applications under the same approval number.
3 {. {7 f% z1 O) z$ x# z7 s > Therefore, we would like to be able to configure the units to a specific
. V9 o) ^3 G& z: K: j > application. For the business that we do, this approach will yield more
( m( m* x0 H- p$ ?1 u> sales based on the same product and approval. We are interested in the
& e0 ]" Q; |: U: R > following specifications:
# R; C8 {# r/ f/ x>
% h- V% V* {* F/ a; l7 s. Q > - 2 inputs at the Transmitter with three possibilities;
0 X; p1 s, C5 I! @> 2 analog
) Z7 @* {- G0 d- H6 ^5 C n> 2 digital
9 }; w6 ]* F$ X) K5 t* V > 1 analog and 1 digital
/ J! \* Y5 x" e% I8 [, D >
7 {% I+ I* `! ?" a> - 2 outputs at the Receiver with three possibilities to match inputs
; X0 g3 S% \3 O* t6 u>
- q! H0 `) ^6 D6 G> - Ability to configure/define analog Transmitter input ranges through
1 i5 Q% r, m/ C3 e > simple programming method to correspond with full-range analog Receiver
- E, @1 L. {/ E% i5 r8 d- O" @* {/ s> outputs (0 - full voltage).
& v0 y3 ]8 i- n7 d" @/ |: D >
5 Q; H: J# e6 ^% m+ m# J > - Ability to configure and set sample rates for the inputs.
* U. K2 J1 g0 F5 O! ~4 N- y- i >
$ g* g* x6 x6 T5 s1 Q+ P6 W> - Digital output on Transmitter that turns on during the sampling period.
6 L ?& y. i- k: S3 u9 r+ H1 \>
. T' j c4 D, b3 p& N4 r > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 v* U* c6 m% u! C+ ~; W7 T > both software control and input hardware control.
. l& y( |' V5 E! j8 @4 K# K+ d>
. S. s3 e/ B {; {; B) D > In order to configure the units, we would need a way to make the
5 v) H! g% b- ~. n; y0 I0 L6 ~> settings. This would preferably be from a computer terminal so that
6 Q+ {; k# j$ J, N; O> configurations can be saved or easily duplicated for production volumes.
, {! a4 T _8 ~* c* z" L> The units should be small and compact with shielding, and able to mount
7 h: v+ K& Q/ n: y. c> to a printed circuit board with header connector.
6 u/ Q' w8 V7 X% v% O>
& I4 z3 C% r! U0 U$ _> At this time, we are interested in samples of a pair of modems that
. I- f- {! x& q6 H- ?3 b1 M> might be similar to this proposed system. We do not expect that you
8 u- `$ C/ K1 B* O# r > provide all of these specifications at this time. I can describe our
3 h& @- e: r& f) b& A> immediate application needs in the next email if this project is of
. n7 U, K. e# R3 S, l1 H0 \8 A> interest to you. Perhaps you can make the samples by those
* E. h0 i+ ~5 S8 U s > specifications. This will allow us to test your radios before we move
) Y/ M& \3 ?, Z8 l > forward. We are interested in your 900MHz radio to start.
) W( q# y' n& j4 W9 ]
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