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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

2 ~" j4 S5 Y ]. D# l" w客户要求如下,如果哪家工厂可以做,请和我联系
Y' T( K: p# M+ o2 V7 C3 _ > The application that we have in mind is similar to others that we commonly
) n; F: }$ @/ ~% B> have. If we were to pay for FCC approval, we would want to use the modem
* d/ M# j, d# I1 p) Y( \0 U+ }6 I> units in all similar applications under the same approval number.
8 W8 I' o0 L9 x! l7 o6 [ > Therefore, we would like to be able to configure the units to a specific
6 c7 J# G: l8 B > application. For the business that we do, this approach will yield more
! Z" \3 L5 G z' z, j i9 ^( e6 y> sales based on the same product and approval. We are interested in the
% Q1 ~6 b5 f2 c+ D! l$ q> following specifications:
* N6 I4 W' e$ \4 `# k } >
4 ~8 l# R( O+ E3 s> - 2 inputs at the Transmitter with three possibilities;
& P) ^( f% H+ y4 a9 d* P/ J6 \ > 2 analog
! W. F/ w: F$ ]7 b/ c! B> 2 digital
+ V Y' K& R3 H6 c3 H$ z% O8 S+ O1 x > 1 analog and 1 digital
4 T3 X2 o- x' w" V: U% L; }>
$ L$ o' b y4 d P7 S' b > - 2 outputs at the Receiver with three possibilities to match inputs
, a# }% @) O, j) X) s; I4 c>
2 }9 A& [: f2 F. I' o$ k8 X# M > - Ability to configure/define analog Transmitter input ranges through
6 Y) {* h+ b; G7 r# i' M> simple programming method to correspond with full-range analog Receiver
`- t4 @5 s* R8 ~> outputs (0 - full voltage).
( ~7 R- W/ _" y. [5 J @ >
: C( @5 S) v2 u7 K' `) v> - Ability to configure and set sample rates for the inputs.
# @9 b% p$ K: g+ W# X >
& u u: g) G9 Q C% n3 I0 u > - Digital output on Transmitter that turns on during the sampling period.
) p& G/ I& K6 \) {, K- K2 Y& I>
& u/ r$ c3 _9 I0 r# M6 h> - Ability to configure a power saving Sleep Mode in the Transmitter by
& h; S6 |+ t* U> both software control and input hardware control.
0 [. b+ U9 [1 G >
r2 {, o9 S1 g# A E > In order to configure the units, we would need a way to make the
5 K" Q" \3 r; s' d% b> settings. This would preferably be from a computer terminal so that
9 ], |3 p$ k% ~4 ~3 b> configurations can be saved or easily duplicated for production volumes.
* x9 F1 j1 k4 o; t2 l- G/ D2 R' C5 { > The units should be small and compact with shielding, and able to mount
~, k" s$ h& N > to a printed circuit board with header connector.
0 C, |% s" P* w/ ], h>
+ ]! ?. Q1 b! ?> At this time, we are interested in samples of a pair of modems that
+ ?7 c5 {) W; ^/ }3 a > might be similar to this proposed system. We do not expect that you
" Z1 j" V- `6 `" I' C; a6 U8 F > provide all of these specifications at this time. I can describe our
4 f" }" T, N6 M5 j> immediate application needs in the next email if this project is of
, C# X. H/ X4 {, K' B > interest to you. Perhaps you can make the samples by those
; `- a# {& {- k+ o3 e9 {> specifications. This will allow us to test your radios before we move
) o5 m. Z, h, f> forward. We are interested in your 900MHz radio to start.
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