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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

i4 h7 d3 ^% d0 O- t 客户要求如下,如果哪家工厂可以做,请和我联系
+ H5 W9 q" s; P> The application that we have in mind is similar to others that we commonly
9 C8 f3 g( t5 c8 m > have. If we were to pay for FCC approval, we would want to use the modem
2 k. T' Z2 h# B. R) `# O( W6 b- v> units in all similar applications under the same approval number.
+ M1 K0 t; }5 |$ l' X6 Q+ Z' A > Therefore, we would like to be able to configure the units to a specific
8 E' a* T K) Q `. ^/ V- w> application. For the business that we do, this approach will yield more
" W, o# T4 r' K, x> sales based on the same product and approval. We are interested in the
3 I# L% R2 K3 |" G6 g> following specifications:
, k) h) m8 T! h, a% n/ w9 w; _9 m >
2 I7 N1 c g/ e, O& x > - 2 inputs at the Transmitter with three possibilities;
1 R0 z8 w$ l7 V+ u( G > 2 analog
; k: }, w' \* z> 2 digital
y' k& L: T3 C% f4 z) W > 1 analog and 1 digital
. g0 q; H3 K( B2 l >
8 g' z% Z6 f; u5 F6 u > - 2 outputs at the Receiver with three possibilities to match inputs
0 a6 o! \ |! B8 V* y4 [8 \>
" f, h5 O3 _3 U. F > - Ability to configure/define analog Transmitter input ranges through
8 P1 @3 S. D7 F3 q6 G/ V > simple programming method to correspond with full-range analog Receiver
) O x: M$ V9 M6 p- O5 g> outputs (0 - full voltage).
2 n) x3 [) H5 }>
. N3 l P, g5 ?> - Ability to configure and set sample rates for the inputs.
! T1 P! m& ?' P; ^( T>
3 E& o/ O# s# x& m& R7 @ > - Digital output on Transmitter that turns on during the sampling period.
8 t; }( c* g. I( M$ O0 ` >
% r# \8 w5 H9 `9 _8 ^$ B> - Ability to configure a power saving Sleep Mode in the Transmitter by
" l' O+ i6 x5 C% u$ Y> both software control and input hardware control.
3 f/ Y+ K; }8 ^! l$ e >
# U- k# e" F1 L5 a7 F0 w- ]- p> In order to configure the units, we would need a way to make the
, `! V" V% Q) s( u" a& E > settings. This would preferably be from a computer terminal so that
( i- |. C4 }0 T# ], V > configurations can be saved or easily duplicated for production volumes.
/ g7 s9 A6 f2 ?2 r$ }! |" G> The units should be small and compact with shielding, and able to mount
! f' `/ x$ A; a5 X8 H( l* s4 r: Q > to a printed circuit board with header connector.
9 n4 R4 `, M9 v6 Q* E >
9 f! H# J0 d7 y) N6 N1 T& a> At this time, we are interested in samples of a pair of modems that
7 p" s# u9 |7 s> might be similar to this proposed system. We do not expect that you
4 `, h* w7 o! K8 d1 _> provide all of these specifications at this time. I can describe our
8 L2 ]( _4 }$ i2 A > immediate application needs in the next email if this project is of
( k: P* ^( \. A5 |- p l/ b8 e> interest to you. Perhaps you can make the samples by those
) W# v* _8 q1 V- _- k> specifications. This will allow us to test your radios before we move
0 {& Y p* U& t( r* t' i8 c > forward. We are interested in your 900MHz radio to start.
% d, u% k- u+ G2 F
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