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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

5 x$ @4 G, V. f8 V+ f0 G6 U2 \" C- r客户要求如下,如果哪家工厂可以做,请和我联系
% P. l. x0 ~+ } > The application that we have in mind is similar to others that we commonly
/ F, r. J; z" S! _1 y& u2 m2 Q2 l > have. If we were to pay for FCC approval, we would want to use the modem
2 n" I4 F. g- Y' ^, U > units in all similar applications under the same approval number.
- \5 q$ `1 J* F: |) q: g* }6 z6 z5 ? > Therefore, we would like to be able to configure the units to a specific
0 U' [; D. [# c$ S" \ > application. For the business that we do, this approach will yield more
3 \# f/ y6 H& q2 C; i% d X- N > sales based on the same product and approval. We are interested in the
2 o: [/ c" q6 |3 } > following specifications:
/ K) ~5 b2 f+ |) N* u>
' v8 k& v' u' R X( a- j> - 2 inputs at the Transmitter with three possibilities;
" S) C! Y( ]7 J& y) Z, z% ^) I- O> 2 analog
# j9 R0 _% g. _! j5 C7 R6 t X> 2 digital
3 Z0 ?' Z1 Q9 L+ T: K2 V. E2 Y> 1 analog and 1 digital
4 r+ [( ~! m* a >
7 O* _4 {+ z, u5 o' ^$ h> - 2 outputs at the Receiver with three possibilities to match inputs
- N9 U( @6 j" w5 D. n7 P9 Y: z! R>
" R* N3 C% D) G+ i8 X > - Ability to configure/define analog Transmitter input ranges through
9 d* y9 a) F' o$ i' X9 U }> simple programming method to correspond with full-range analog Receiver
3 R, A" q! K: K6 b$ L# M > outputs (0 - full voltage).
* w, I+ G- A, X H+ g6 ?* u0 M! f >
0 L, W' y7 N1 P& h! `> - Ability to configure and set sample rates for the inputs.
3 {$ S$ z4 M8 a5 j# \8 G >
5 u; B2 `( X P; B& l2 C! Y> - Digital output on Transmitter that turns on during the sampling period.
. Q- h# V; ^* G- f$ c# y >
* B. n+ e1 \; T> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 G- H: e, m- H- K2 A7 P> both software control and input hardware control.
0 `5 D. @7 H V, z$ [ m `( R >
8 v' }5 J& a+ s3 }- I& D> In order to configure the units, we would need a way to make the
* a& ]5 p0 U# T+ O8 S- m > settings. This would preferably be from a computer terminal so that
4 L" h- _6 c& z > configurations can be saved or easily duplicated for production volumes.
4 H8 R' b% [- \) h7 c8 E) q > The units should be small and compact with shielding, and able to mount
4 b% l! Z: S+ \4 D > to a printed circuit board with header connector.
0 ~ J7 N, ]/ t% m2 }% f>
4 h; ]( I( {% f! I2 B% ]> At this time, we are interested in samples of a pair of modems that
1 d' D4 h8 `$ @, u N3 i- i1 n' Z > might be similar to this proposed system. We do not expect that you
5 V$ j* I5 R" k > provide all of these specifications at this time. I can describe our
' X" p$ I# }1 r$ u: M > immediate application needs in the next email if this project is of
' \0 w+ R1 e, g }; [> interest to you. Perhaps you can make the samples by those
0 @1 F9 O K5 O( f/ u. p% T > specifications. This will allow us to test your radios before we move
* A K' N1 R0 |* v3 A( r> forward. We are interested in your 900MHz radio to start.
- @! y; j3 _. _6 X
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