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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

; s- y3 I% C7 c- Y& _客户要求如下,如果哪家工厂可以做,请和我联系
' @5 M9 x d! A% X6 ]8 V6 o! o. R > The application that we have in mind is similar to others that we commonly
$ N: Q/ \! o6 V3 N# f5 J> have. If we were to pay for FCC approval, we would want to use the modem
: f9 t7 I( Y, T( S) V: m > units in all similar applications under the same approval number.
: Z3 x0 R7 R+ d > Therefore, we would like to be able to configure the units to a specific
- n; ~; \) W& I> application. For the business that we do, this approach will yield more
, ^$ t8 s) `6 _+ @7 F7 d- _2 e> sales based on the same product and approval. We are interested in the
^9 _ ^0 [! a G > following specifications:
7 Q! o1 h. A8 t, }: z# [>
* r: H" w o. j> - 2 inputs at the Transmitter with three possibilities;
% E% x% s8 N1 i& e9 B9 p> 2 analog
0 t2 s" W1 g9 L6 c3 O6 i8 \ > 2 digital
, ~7 h5 h0 n8 }* |; x3 Y8 A6 ?5 p; S > 1 analog and 1 digital
, Q6 @# A8 H, K* ~0 e) z >
# G- b+ w4 ^6 F' a& l" [, W > - 2 outputs at the Receiver with three possibilities to match inputs
1 l$ w' e: @6 R >
0 e2 P1 _8 |/ T% B> - Ability to configure/define analog Transmitter input ranges through
9 D$ V) a. J6 x > simple programming method to correspond with full-range analog Receiver
( w$ h$ g# B: v4 R' Q" G4 U. { O( @> outputs (0 - full voltage).
* t: d0 X% o3 G6 i8 Q0 r/ w>
: n5 w) z) a% [9 V: W > - Ability to configure and set sample rates for the inputs.
4 A$ P/ Y% p5 Y>
- V; ]5 y$ \3 P# d& k% p9 `> - Digital output on Transmitter that turns on during the sampling period.
9 c* ^$ `0 T$ l1 K >
( T* i* E/ X+ A- ]/ D" P > - Ability to configure a power saving Sleep Mode in the Transmitter by
# h, z4 f# r p* z> both software control and input hardware control.
. _6 @) u! Z k% R' w8 a >
: v1 k6 J1 f5 y- C+ g# N > In order to configure the units, we would need a way to make the
+ O2 C/ v M4 ~1 g2 F5 Z) w2 b> settings. This would preferably be from a computer terminal so that
. |: S0 Q0 s, b > configurations can be saved or easily duplicated for production volumes.
# [/ G* q8 G+ q > The units should be small and compact with shielding, and able to mount
, x7 w' \5 b! }& L1 ^ > to a printed circuit board with header connector.
% {6 ]9 m6 T" X4 g0 n >
9 w& @+ N, }; \ > At this time, we are interested in samples of a pair of modems that
7 s! x& |! T# p* n+ R8 G% m > might be similar to this proposed system. We do not expect that you
* x5 W' Z4 y/ h o8 D9 @' Q > provide all of these specifications at this time. I can describe our
8 Z) g f7 }9 `: M. A! v- P > immediate application needs in the next email if this project is of
0 P1 d4 u0 K# C# \5 A- T> interest to you. Perhaps you can make the samples by those
$ Z. Y: \8 j! x0 h5 l! W/ g8 t > specifications. This will allow us to test your radios before we move
( X0 r, b$ z: b1 s > forward. We are interested in your 900MHz radio to start.
4 Y, m0 Y8 I( E& V5 d; n' C8 W
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