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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

, k# A- `8 L. x. D5 P3 P! L客户要求如下,如果哪家工厂可以做,请和我联系
% ]9 p* f) }3 @3 M > The application that we have in mind is similar to others that we commonly
- g% c7 b5 Q' }$ O > have. If we were to pay for FCC approval, we would want to use the modem
; w& z4 i& A; K. }6 r: \- s> units in all similar applications under the same approval number.
# x6 ], N3 f- P: H> Therefore, we would like to be able to configure the units to a specific
. e6 ^4 `! n+ r& r> application. For the business that we do, this approach will yield more
1 R y5 s y/ |6 T> sales based on the same product and approval. We are interested in the
$ G3 s1 q$ v6 T8 r8 f' r" v2 G> following specifications:
" @ X/ ? a. i2 U8 ~2 z, u >
( \; G) z" q7 y9 t% S > - 2 inputs at the Transmitter with three possibilities;
, a! K8 d, ]/ \; D: }( D3 v/ \ > 2 analog
& T" A, y: C, @7 `2 A4 Q( e> 2 digital
8 r: u" u4 u# x+ O: w> 1 analog and 1 digital
6 Z4 b8 J. x/ x>
' X4 d: @' i5 G > - 2 outputs at the Receiver with three possibilities to match inputs
" Z0 \# ]; H$ w. v/ { >
* O' \ [, ^% A' h7 _ > - Ability to configure/define analog Transmitter input ranges through
% j2 f$ x# \/ _$ e) p > simple programming method to correspond with full-range analog Receiver
2 S& s5 b6 p' y9 o, K; R3 A> outputs (0 - full voltage).
7 Y- s4 t* ~& l% F# O >
3 F: V- g. ^, I6 r7 _: R- E+ @ b > - Ability to configure and set sample rates for the inputs.
0 }, X& ?$ B4 R. C( E" f9 c- C>
( ~9 U. {4 L' R1 H > - Digital output on Transmitter that turns on during the sampling period.
3 ]" L+ S. K# f S! ^" ] >
4 d8 M1 k" W, L> - Ability to configure a power saving Sleep Mode in the Transmitter by
& d1 K% q/ ^ i6 T> both software control and input hardware control.
9 y x0 P. X8 W; ?9 b2 v>
* I( A% p' n+ q+ z5 r5 x% z1 i> In order to configure the units, we would need a way to make the
# F6 J# j) ]$ s$ A > settings. This would preferably be from a computer terminal so that
; w6 R" \3 e' T5 v- r4 x > configurations can be saved or easily duplicated for production volumes.
5 ]% {* l* p- @" p > The units should be small and compact with shielding, and able to mount
+ v3 Y( n$ T' b4 w- { > to a printed circuit board with header connector.
$ P& H/ |9 f2 q! L, g$ ^! E) z >
& }7 ]0 y( l0 F+ A/ X5 t* ~! c> At this time, we are interested in samples of a pair of modems that
$ C7 n/ h5 r9 L, g> might be similar to this proposed system. We do not expect that you
( g. y. c2 ~3 K# z > provide all of these specifications at this time. I can describe our
3 W9 z- Z6 g' u) e$ ]6 o5 E > immediate application needs in the next email if this project is of
, z: z q, T9 y3 `( \ > interest to you. Perhaps you can make the samples by those
2 D+ h) `- v( ~* `> specifications. This will allow us to test your radios before we move
3 ~! Q u/ d) N> forward. We are interested in your 900MHz radio to start.
2 f+ p2 W( A. T- r- n
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