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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 `$ B0 F' F( Y( \0 }) J; N, I) u, N客户要求如下,如果哪家工厂可以做,请和我联系
, |7 [* t6 ]9 j( b8 z > The application that we have in mind is similar to others that we commonly
# g& f8 h/ P' K+ w4 b7 {- C! I> have. If we were to pay for FCC approval, we would want to use the modem
6 e2 {$ k; Y$ i8 \- t! Z0 N > units in all similar applications under the same approval number.
d! d( y1 n4 P0 z> Therefore, we would like to be able to configure the units to a specific
: Q* q# g* S6 c5 `$ N" f > application. For the business that we do, this approach will yield more
6 }+ c- ?5 u4 f# ?( }; P7 [ > sales based on the same product and approval. We are interested in the
/ G j6 @, z* }# p! p( Q+ S: T> following specifications:
1 W5 \% s/ E" e, Q4 c: S >
1 I+ E8 x. f; _ > - 2 inputs at the Transmitter with three possibilities;
0 P! p! ^$ _1 }4 W7 s7 Q7 U' y > 2 analog
) o/ b" h2 y( S5 l& i) `> 2 digital
+ m3 h- C. } Y$ c' T9 x) C> 1 analog and 1 digital
4 R3 \$ e+ F% F& X >
; D' r) x* Y" N: Q& M! \* ]> - 2 outputs at the Receiver with three possibilities to match inputs
5 |- Z0 r& E- A* \>
1 w2 u0 Q" y; p$ h5 e> - Ability to configure/define analog Transmitter input ranges through
( h/ T- U5 `8 j. I# W ^ > simple programming method to correspond with full-range analog Receiver
e+ a3 |8 q) B> outputs (0 - full voltage).
~8 i5 q# T; E4 Q) C: s) z# X$ R8 E >
5 k" g2 K: b T> - Ability to configure and set sample rates for the inputs.
! W- S8 J' ] c2 @& B4 q$ [9 o! @2 A >
( I" q( u5 ?6 a7 Y> - Digital output on Transmitter that turns on during the sampling period.
) g7 y( c4 y% g0 K( v >
# o A" r( o4 U# D3 Z> - Ability to configure a power saving Sleep Mode in the Transmitter by
- X" M) h3 u' C2 r> both software control and input hardware control.
|) x3 Y& o( R* H >
: i# Z+ N5 S( E- A > In order to configure the units, we would need a way to make the
# j. o9 n; D7 C9 v> settings. This would preferably be from a computer terminal so that
5 ]) B& b) {' {' A5 n" s' _ > configurations can be saved or easily duplicated for production volumes.
0 ~+ O. Z( y- ? > The units should be small and compact with shielding, and able to mount
, x. X# L( ~& K) c5 [ > to a printed circuit board with header connector.
9 y3 K& s8 m# a* B# y>
! d- }* L+ i4 J1 _2 e6 A; m> At this time, we are interested in samples of a pair of modems that
: ^& n) {* A( Y+ d2 \ > might be similar to this proposed system. We do not expect that you
0 t7 L$ k7 [, C > provide all of these specifications at this time. I can describe our
; E: }* m4 X0 Y: ^2 w9 }> immediate application needs in the next email if this project is of
+ J7 L d% T5 B$ O5 ?4 x! T! ?> interest to you. Perhaps you can make the samples by those
4 H9 a8 J$ O7 }: Y3 o+ |- N) H/ W) _> specifications. This will allow us to test your radios before we move
: R6 ~0 {- U/ }5 W > forward. We are interested in your 900MHz radio to start.
( C7 a Q g. ~2 l
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