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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 N$ B; h) P( {5 F. i 客户要求如下,如果哪家工厂可以做,请和我联系
4 Z/ i0 q! H1 A2 P4 Z8 m: {) C3 A6 J > The application that we have in mind is similar to others that we commonly
8 x( S$ E# f/ e7 f# e/ c> have. If we were to pay for FCC approval, we would want to use the modem
3 P; \9 J* t0 C0 I' ]/ H > units in all similar applications under the same approval number.
|1 n0 [& o7 M. |9 D) ^> Therefore, we would like to be able to configure the units to a specific
9 l, k* K( f3 a: u5 G+ A! |1 g > application. For the business that we do, this approach will yield more
9 V/ E# S2 I8 t" \& e( X4 X > sales based on the same product and approval. We are interested in the
6 @/ I9 g. r6 v1 v > following specifications:
0 ^8 w$ D A6 {6 {+ W>
& c i; Z- U; L > - 2 inputs at the Transmitter with three possibilities;
; ^9 F4 T9 E& F > 2 analog
* Y8 [1 S5 m1 m2 B1 Z( v> 2 digital
, M$ D6 _- A4 h6 @' I > 1 analog and 1 digital
0 D n* ]( Z: n$ f2 Q1 v >
, z, g% `( Y' J3 l0 k5 ` > - 2 outputs at the Receiver with three possibilities to match inputs
0 K j4 W/ U' _* b1 P>
. s# A! k; E+ D > - Ability to configure/define analog Transmitter input ranges through
2 b. X4 c- d4 X+ @2 u > simple programming method to correspond with full-range analog Receiver
* u7 }1 B5 [5 A1 A% C> outputs (0 - full voltage).
, r4 S9 ]3 Q, W; V>
; x N+ o( m( |4 ~) b- u1 J > - Ability to configure and set sample rates for the inputs.
) ~% Q& e: p5 v; c7 B0 q7 W; n/ s >
1 E* S: T0 M+ G% h, h/ U5 K > - Digital output on Transmitter that turns on during the sampling period.
. C$ O# K; b( }* {' o3 v( M, v >
( W1 h8 r D% d0 C S2 c% ~" V1 a> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 _0 T8 p+ p7 c, n+ [ d > both software control and input hardware control.
5 A1 U1 ~8 p+ F9 U0 H" [# ~>
8 y1 y& D5 g9 h4 N+ K: ~ > In order to configure the units, we would need a way to make the
9 S" V( I- I# s* ^ > settings. This would preferably be from a computer terminal so that
9 A, Z; n3 O$ S6 @, e> configurations can be saved or easily duplicated for production volumes.
& n* f3 ]+ q1 N* r > The units should be small and compact with shielding, and able to mount
: Y$ \4 O( v* J9 u > to a printed circuit board with header connector.
. Y6 c; S" D" B# _>
! A2 _: e* ^& N0 O1 n* h: L> At this time, we are interested in samples of a pair of modems that
F; f2 \: C2 x4 ]' {5 L" W- \> might be similar to this proposed system. We do not expect that you
+ S! Y* ?6 L3 d0 U% {! ` > provide all of these specifications at this time. I can describe our
2 t+ I* W4 d/ {4 }, h. a> immediate application needs in the next email if this project is of
( f. s# E8 [, G1 K: s, v> interest to you. Perhaps you can make the samples by those
/ B& ?3 E7 r1 c% o: i> specifications. This will allow us to test your radios before we move
9 [/ r. }1 O6 [4 }4 A9 |> forward. We are interested in your 900MHz radio to start.
2 Y6 M/ }/ o( k6 ^
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