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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

. _- C( o+ m$ C+ T 客户要求如下,如果哪家工厂可以做,请和我联系
5 Q: a" A1 }& |! `- h1 X > The application that we have in mind is similar to others that we commonly
# S3 |8 I2 |+ @7 |> have. If we were to pay for FCC approval, we would want to use the modem
+ V/ T8 T- K# Z> units in all similar applications under the same approval number.
& }2 s7 ?9 }' w; ^5 K6 S! Z> Therefore, we would like to be able to configure the units to a specific
* F5 ^- B3 T3 `" {# z > application. For the business that we do, this approach will yield more
. Y. j, ~- u- |& X$ {: H> sales based on the same product and approval. We are interested in the
6 {& v2 ~" d, Q1 C > following specifications:
8 ~, \+ b4 c# g2 q1 e>
+ [ x6 A$ r2 R% ~! z, ? > - 2 inputs at the Transmitter with three possibilities;
# u; U4 y3 J0 E3 }> 2 analog
+ c2 e* n0 n5 [& Y> 2 digital
/ A# s6 r. i- T, E4 u' F! ] > 1 analog and 1 digital
- x$ k4 G2 Y! `% X0 i/ D/ b>
5 w* l# f7 M- l. j" h > - 2 outputs at the Receiver with three possibilities to match inputs
, a; Q: S0 y5 b0 G0 t( N5 m2 ~7 ` >
0 z% d# Q. @2 v) o7 _, V) j$ J) Z> - Ability to configure/define analog Transmitter input ranges through
) g Z3 D0 i6 I2 o' y& c4 ^> simple programming method to correspond with full-range analog Receiver
. N7 P* E! P; [) L( ^ > outputs (0 - full voltage).
0 O( P* y7 Z) O6 a >
9 C3 [$ j( C4 u8 Q2 ]* @+ c% D> - Ability to configure and set sample rates for the inputs.
' {: H _6 ]0 }7 D7 H>
% ?% F+ W9 k- z> - Digital output on Transmitter that turns on during the sampling period.
; c% @& r5 y p( G3 a5 V6 G. ^ >
7 u, q: D7 W: `2 j > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 q8 E% C* H# x8 j w" E> both software control and input hardware control.
$ ]# V3 r# l7 j: F% S9 f* r8 J0 o>
. Z# g7 O+ W2 U. Z' i > In order to configure the units, we would need a way to make the
& ]. Z; G7 N o& { > settings. This would preferably be from a computer terminal so that
& U5 u& \( f8 L. L> configurations can be saved or easily duplicated for production volumes.
( t! I: G. y2 k > The units should be small and compact with shielding, and able to mount
% @* I1 V2 t: K: }8 u3 x# b$ o3 i> to a printed circuit board with header connector.
) @. q% _0 U( T>
1 m1 l- W% [' h( t> At this time, we are interested in samples of a pair of modems that
0 I; M& ~# s6 G! Z5 `' K' a1 z > might be similar to this proposed system. We do not expect that you
# x$ i# C# I; J. l; ?> provide all of these specifications at this time. I can describe our
+ g3 N' y4 O( X+ a> immediate application needs in the next email if this project is of
O9 c8 z- s8 N# ?3 A > interest to you. Perhaps you can make the samples by those
. ]! y1 x [6 |! }4 j> specifications. This will allow us to test your radios before we move
, Y+ G, S! J& G# x, `> forward. We are interested in your 900MHz radio to start.
0 v/ X" o* {" N3 z* l3 r
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