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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

9 H2 u( g' m- X9 j; d, ?客户要求如下,如果哪家工厂可以做,请和我联系
9 l' }$ u* e) q% `7 F6 T& }0 U> The application that we have in mind is similar to others that we commonly
' I% M" D; r$ E ^& q' s> have. If we were to pay for FCC approval, we would want to use the modem
3 x: I8 U9 z, L% X( x: ]' I0 y7 L> units in all similar applications under the same approval number.
" X; C( @; p% [> Therefore, we would like to be able to configure the units to a specific
/ N; t: [' k7 P" n1 z6 Z& i" q! h8 U* _ > application. For the business that we do, this approach will yield more
* {- n) Y- h* N! c9 P' M > sales based on the same product and approval. We are interested in the
) h2 p/ u0 h9 g) G> following specifications:
( D7 }2 i& [2 F, @( z2 Z+ L >
# ?9 Q) B7 m5 B7 Y: |> - 2 inputs at the Transmitter with three possibilities;
$ r! l h9 w/ w > 2 analog
0 t' b# s& e' |/ \0 i `. l> 2 digital
( Y' D9 u2 J, ~* U. q9 V8 f> 1 analog and 1 digital
) N3 z+ w8 N1 u! } >
$ b: ?; s5 U; M4 a- J& O& D D; j > - 2 outputs at the Receiver with three possibilities to match inputs
4 s3 H9 I u: G- p7 M>
: W. ^# T1 m7 H2 w8 }4 B > - Ability to configure/define analog Transmitter input ranges through
0 G5 H, k% ^7 p( K, u/ |3 }$ E > simple programming method to correspond with full-range analog Receiver
1 F, z$ e0 `) q; @" b! b> outputs (0 - full voltage).
" j) a# O+ p3 [ >
9 s/ } _# U7 x/ y> - Ability to configure and set sample rates for the inputs.
- w9 I+ U4 F8 @+ e0 ]. E: ~ >
' X& r ?; ]3 R. U> - Digital output on Transmitter that turns on during the sampling period.
2 H+ h! L* H/ G+ ^* U >
5 u4 t( A3 x( b/ J0 |0 n> - Ability to configure a power saving Sleep Mode in the Transmitter by
! R T' A) V/ }% W0 e> both software control and input hardware control.
! _- `# y$ Q. R>
& L' P O* r8 h$ ^, n; u> In order to configure the units, we would need a way to make the
& e' Y) G2 B# l/ y/ l > settings. This would preferably be from a computer terminal so that
) T6 d" Y/ U6 q$ V8 M) X- a > configurations can be saved or easily duplicated for production volumes.
% e) i. o+ l- I- \8 p > The units should be small and compact with shielding, and able to mount
, ?+ E0 L1 o* y> to a printed circuit board with header connector.
! X0 L! s7 l m5 Z6 F5 | >
4 e6 R) ?; B) g E5 Q > At this time, we are interested in samples of a pair of modems that
+ f6 k: m+ j. h0 u8 H3 k; q+ r1 A > might be similar to this proposed system. We do not expect that you
+ W& a! _8 B I4 r3 Z> provide all of these specifications at this time. I can describe our
$ ]1 {' d4 G; |5 G> immediate application needs in the next email if this project is of
/ ~& @+ r" _- s( [/ D3 M> interest to you. Perhaps you can make the samples by those
& o: Q" t+ i5 v7 J5 ?( c> specifications. This will allow us to test your radios before we move
# T4 i! h) B9 r > forward. We are interested in your 900MHz radio to start.
2 H7 K: e0 g# {1 ]
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