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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

: P7 ]3 g/ N- Z, |6 _ 客户要求如下,如果哪家工厂可以做,请和我联系
# ~4 G$ ?$ j( v; Z; Q > The application that we have in mind is similar to others that we commonly
: [8 P" K5 E6 }8 w/ H( a( \% n. d( u> have. If we were to pay for FCC approval, we would want to use the modem
; e/ T( G! q! }2 X6 a/ _! L > units in all similar applications under the same approval number.
& L, J, X, @. D > Therefore, we would like to be able to configure the units to a specific
7 k1 l! Q7 u/ D- \0 W. M: h> application. For the business that we do, this approach will yield more
0 I( M7 m" x# a> sales based on the same product and approval. We are interested in the
6 I, Y0 e. x/ {1 n6 @, S> following specifications:
. s/ W/ J5 Q! E>
! R7 h) Y1 a0 f5 \ | > - 2 inputs at the Transmitter with three possibilities;
2 e5 }9 b4 W, u8 l > 2 analog
6 ^7 Q2 r6 s' C' b' D+ I6 S > 2 digital
0 Z2 Q: G$ k1 W> 1 analog and 1 digital
- Z5 q( O- \$ p6 w >
# n7 l7 |% v$ g- l% R; x; q2 Q > - 2 outputs at the Receiver with three possibilities to match inputs
/ R8 k( p- _2 m1 Q& o+ W7 _- A5 V >
; i) `* _. O( m& f2 X> - Ability to configure/define analog Transmitter input ranges through
; C( Y. n5 n+ M- I; N: d > simple programming method to correspond with full-range analog Receiver
4 u: E! }" ^' F: [( q> outputs (0 - full voltage).
( X1 ^4 S6 Z0 T: V5 p5 d" c# N>
" D% R% J7 `' }% H) s2 [> - Ability to configure and set sample rates for the inputs.
, z3 X- K! M- X1 ^9 ~: V3 c" ` >
u1 J& U4 H8 w1 W5 m> - Digital output on Transmitter that turns on during the sampling period.
. _' P3 N9 }9 q8 _8 u' J& @ >
% t/ @/ _5 c _6 \$ D) H- t > - Ability to configure a power saving Sleep Mode in the Transmitter by
& k m) `7 D! q3 W9 [> both software control and input hardware control.
6 m$ U8 j) e: Z >
+ j4 S0 Q0 p- [: n3 S" S+ U- `) p$ F> In order to configure the units, we would need a way to make the
2 A# W B) T" {* k9 k. } > settings. This would preferably be from a computer terminal so that
5 v' ?' ]8 @# x > configurations can be saved or easily duplicated for production volumes.
, |$ J0 H! ^! X% i. B: y0 j > The units should be small and compact with shielding, and able to mount
+ I4 l" E& R3 }5 m9 m2 ]! a- F> to a printed circuit board with header connector.
& v1 `% `/ C, G+ l& L( b >
( J1 M( Q" G$ \7 t) B> At this time, we are interested in samples of a pair of modems that
/ p, B+ E7 Z3 A6 n8 k0 b$ x> might be similar to this proposed system. We do not expect that you
j0 L# G& }5 v6 d > provide all of these specifications at this time. I can describe our
# F j" L0 q5 p% m8 ~, p > immediate application needs in the next email if this project is of
, N' F$ W! Q" V. Z- p3 r6 f > interest to you. Perhaps you can make the samples by those
- ~/ U% I1 l% r# y > specifications. This will allow us to test your radios before we move
% l X/ y4 F/ g8 j> forward. We are interested in your 900MHz radio to start.
7 D0 O2 t7 \( l/ y7 e
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