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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

4 L5 Z+ c& r' N客户要求如下,如果哪家工厂可以做,请和我联系
6 j4 u0 n8 ]) X, u) w* R' E# [& R> The application that we have in mind is similar to others that we commonly
$ q, l2 l2 W- C6 Y" [: j$ n > have. If we were to pay for FCC approval, we would want to use the modem
# k9 A }5 Y! i1 K3 i" f0 k > units in all similar applications under the same approval number.
1 P" ], U$ w9 l6 C > Therefore, we would like to be able to configure the units to a specific
$ L2 e7 o {, w' j M> application. For the business that we do, this approach will yield more
( x* w0 h2 Y! B# F4 y> sales based on the same product and approval. We are interested in the
+ ]0 _( X7 G1 H$ S8 A" \' C% R> following specifications:
0 s( W: G+ @' ?1 w- u; | >
3 T5 b, V3 e6 M > - 2 inputs at the Transmitter with three possibilities;
( p2 U1 s. u/ ]( V: u; `> 2 analog
4 j: j" n6 B0 K* O' P > 2 digital
3 B" N/ u+ }: l) f e > 1 analog and 1 digital
0 R5 D1 g+ N: L! v9 M2 A* q) M4 k7 e>
" v) w0 b' d& E/ \1 i> - 2 outputs at the Receiver with three possibilities to match inputs
: J0 |+ w4 K; s6 c8 O7 k& r >
$ E1 ?% E5 G6 U0 J2 C > - Ability to configure/define analog Transmitter input ranges through
# }4 L: ]8 I" k0 |3 q n> simple programming method to correspond with full-range analog Receiver
! D1 k# D& K2 Q8 A* b. b( k > outputs (0 - full voltage).
$ ~7 Z) E9 l: {- S) @ s8 C4 \ >
- d) Q# ^0 z$ X- E' ^> - Ability to configure and set sample rates for the inputs.
% Q! a6 S- X9 h5 h >
9 j2 Q$ W/ j0 Z4 K! W> - Digital output on Transmitter that turns on during the sampling period.
0 F+ D* m7 H, i9 a/ F>
2 i. K5 N) z* K$ ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 n- h( ]- i# s# H > both software control and input hardware control.
" H# C8 a7 D6 s$ C+ V/ l9 [7 K7 Q>
* [ N: A2 N$ B3 q( ^# A* b> In order to configure the units, we would need a way to make the
( L8 i" c$ n* ]& a: \/ H. V > settings. This would preferably be from a computer terminal so that
! R9 B' B u/ d f+ n> configurations can be saved or easily duplicated for production volumes.
. D% T0 b0 }7 O7 Q; Z* D- E> The units should be small and compact with shielding, and able to mount
6 g2 C, U% t4 P) F: y% r > to a printed circuit board with header connector.
- `4 ~4 o& c3 U! c- c7 `>
) c4 P" X% s% U- o- e( c> At this time, we are interested in samples of a pair of modems that
* ~) A0 n0 O: s> might be similar to this proposed system. We do not expect that you
9 @8 E/ ^- R$ X9 b$ h& i6 ~> provide all of these specifications at this time. I can describe our
9 J- P$ P6 `1 O! o6 h# e! V1 V> immediate application needs in the next email if this project is of
5 `, I6 \" i; X- T2 K> interest to you. Perhaps you can make the samples by those
c% A: N$ ^0 [4 b > specifications. This will allow us to test your radios before we move
9 U z6 m G$ G' u2 i5 A* [; f > forward. We are interested in your 900MHz radio to start.
# `- l) z2 s' K$ F8 r
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