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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

3 K, \5 j% Q7 C! Q客户要求如下,如果哪家工厂可以做,请和我联系
8 W. `: Q& i5 D- e* B" q9 t: |> The application that we have in mind is similar to others that we commonly
# Z/ B5 t3 z, V2 t > have. If we were to pay for FCC approval, we would want to use the modem
* t' X, ~0 r$ k$ Y9 s. X> units in all similar applications under the same approval number.
7 A/ S& z1 l$ x: y5 d > Therefore, we would like to be able to configure the units to a specific
: |7 N. I5 ~8 \ > application. For the business that we do, this approach will yield more
G% {5 c6 f9 z4 L) K> sales based on the same product and approval. We are interested in the
: a0 r+ g) E# [7 H; s& x> following specifications:
' S' s) j. o3 B$ ]* b>
( V: F1 l0 ]3 N. h4 [> - 2 inputs at the Transmitter with three possibilities;
! S8 G( `) C' F B, |6 C > 2 analog
! z- m, z. Y# H% u2 O" D" E- h > 2 digital
1 |8 |/ v5 B4 d$ h8 \6 B> 1 analog and 1 digital
" o6 b4 B2 X! V; S3 {. P>
, L( S0 W% H# s9 n> - 2 outputs at the Receiver with three possibilities to match inputs
- Q! g- `+ T. }: t% O, b; O >
7 h4 R; a/ ^# k# w H- r7 A> - Ability to configure/define analog Transmitter input ranges through
' _, ^# g' Z# d$ d/ r > simple programming method to correspond with full-range analog Receiver
$ K) W* }0 _/ H0 x8 q1 ^/ R M > outputs (0 - full voltage).
\2 y- k) j' Y+ f6 V; Z8 \! a >
5 L8 C3 X3 j/ P: [ > - Ability to configure and set sample rates for the inputs.
: J6 ?, w! X- U" }6 v" T& M>
* k9 L% ~# \+ M8 K2 ]. p/ D# @ > - Digital output on Transmitter that turns on during the sampling period.
$ I1 C% S8 N; ~/ I- j( g J>
2 Z5 F( x+ ?+ q; J, B$ G. q > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 T; I }" M7 a7 e: Z > both software control and input hardware control.
' |9 H8 [3 D8 _; x$ B >
) _. n5 m- I6 Y> In order to configure the units, we would need a way to make the
4 z6 U. X: L, d |> settings. This would preferably be from a computer terminal so that
7 T7 M* I8 \' ^6 o; J2 Y- e> configurations can be saved or easily duplicated for production volumes.
( W$ o0 }4 E: j7 {* ~4 G > The units should be small and compact with shielding, and able to mount
4 R: H2 i4 P4 Z0 _> to a printed circuit board with header connector.
; n: ^ K q2 f; X- n; R' A8 u0 x >
: H1 }6 l2 ^' r8 C1 X" _8 I7 s& @> At this time, we are interested in samples of a pair of modems that
' i3 m& t0 \$ g2 m& j1 o, ^* | > might be similar to this proposed system. We do not expect that you
7 X/ s: k& q# ]" q7 c& G> provide all of these specifications at this time. I can describe our
+ P% W0 x% ]& @7 A> immediate application needs in the next email if this project is of
8 F" M! h* H6 v! N" R$ k> interest to you. Perhaps you can make the samples by those
, E/ q' U/ V! O8 X i+ o> specifications. This will allow us to test your radios before we move
( `( f6 A3 S0 D3 z> forward. We are interested in your 900MHz radio to start.
1 Y3 D: P% [7 [7 m, T4 s
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