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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

+ e, T6 u, s5 \/ Z$ I1 R" _# V客户要求如下,如果哪家工厂可以做,请和我联系
* m8 k* r5 r5 k3 {2 N6 \0 {/ E > The application that we have in mind is similar to others that we commonly
( ?8 O0 f3 F# I/ L- X- R- j > have. If we were to pay for FCC approval, we would want to use the modem
& R( }& B9 e- A9 Q) [, `0 ^> units in all similar applications under the same approval number.
/ G" T& R; Y# t9 I+ u: J. s0 T" f > Therefore, we would like to be able to configure the units to a specific
- b4 G" t! m, n- K' M) X, F> application. For the business that we do, this approach will yield more
- P+ J" [! h1 c2 P) I> sales based on the same product and approval. We are interested in the
8 R# f( _2 n. R2 o( G > following specifications:
( N0 O" }7 b0 _ >
8 [2 r$ @2 Z/ W- S1 g> - 2 inputs at the Transmitter with three possibilities;
- k# f0 E, M3 [7 v! o; H) X& H > 2 analog
4 F/ f3 j2 F" j* ]> 2 digital
: Y1 d; G8 S) e5 u( Z> 1 analog and 1 digital
" L$ f) }3 F; T>
, K' }8 N y9 g' k& _> - 2 outputs at the Receiver with three possibilities to match inputs
9 u* }2 L5 C0 k' A. l>
8 u( A* q2 x: L2 ^& v > - Ability to configure/define analog Transmitter input ranges through
/ z7 X2 e Y/ @7 P6 L> simple programming method to correspond with full-range analog Receiver
: q: M( s. R4 U* A2 F% d. V> outputs (0 - full voltage).
3 B3 C) Y# t" h# M >
" K2 b: U n* Z, b# ~ > - Ability to configure and set sample rates for the inputs.
5 m9 B1 U# y& P! `, _+ @' A8 l >
8 y# ^$ A0 L$ U# k > - Digital output on Transmitter that turns on during the sampling period.
/ B ]/ x, j* Z3 A% y, ~>
% t( |/ R0 N, {' Y5 j( p/ C, g> - Ability to configure a power saving Sleep Mode in the Transmitter by
* I! J! [8 s: _ > both software control and input hardware control.
# M$ }& R P" H3 p- D2 W >
- @. m# C( u( P! R+ m > In order to configure the units, we would need a way to make the
4 V& f$ _$ b0 G0 f n' k > settings. This would preferably be from a computer terminal so that
) s' \+ K% x4 G" @! D> configurations can be saved or easily duplicated for production volumes.
, B0 v9 @) U% e, } _ > The units should be small and compact with shielding, and able to mount
& ?( O( j# G" c1 \4 Y > to a printed circuit board with header connector.
4 r( }& K3 X3 q5 \, i C Q>
! ?$ x0 Q, ~) {9 D& f5 q > At this time, we are interested in samples of a pair of modems that
7 K9 r9 w* l" n4 P( f( H> might be similar to this proposed system. We do not expect that you
+ H+ L4 e* k( \$ V/ K ^! w> provide all of these specifications at this time. I can describe our
6 Y3 t! Y6 u" A0 J > immediate application needs in the next email if this project is of
5 u& m, D n: k+ f: {> interest to you. Perhaps you can make the samples by those
1 o9 K1 f" G, g9 t > specifications. This will allow us to test your radios before we move
& }1 z: i% I3 }2 U2 M8 X! t0 d> forward. We are interested in your 900MHz radio to start.
6 x. X& Q: k* k
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