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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 I: p4 F$ F1 W: F8 h+ M2 J* k客户要求如下,如果哪家工厂可以做,请和我联系
( ~; I( Z& s% C" i > The application that we have in mind is similar to others that we commonly
; m" i6 F$ ?' M1 o( H9 Y' I > have. If we were to pay for FCC approval, we would want to use the modem
6 M4 C! ^. D% ` j. F1 E+ l7 S> units in all similar applications under the same approval number.
v0 w2 N- c8 G( z, q' l > Therefore, we would like to be able to configure the units to a specific
' M. [8 V: [" C( o4 |6 n> application. For the business that we do, this approach will yield more
d8 b0 \# c' \3 I: D' M! h > sales based on the same product and approval. We are interested in the
9 M/ y/ l+ e% Q0 c; \2 K: C' ^0 C- U > following specifications:
. @/ \7 e) N1 [2 c8 z+ ~$ o, U >
3 z( [ [; i# d# \. S- `) z> - 2 inputs at the Transmitter with three possibilities;
0 }1 I& C) H5 I/ m: ~> 2 analog
& Z/ F( ]6 x3 D# Z% k1 q; e6 ?> 2 digital
1 u5 Q! V) e! D# v> 1 analog and 1 digital
) t. X1 |9 Y+ c+ Z M/ R>
8 m: Q) o9 v& M; k# ^ > - 2 outputs at the Receiver with three possibilities to match inputs
1 J+ J/ D/ j' v0 `/ [4 C>
) i0 O" G1 K5 D! Z > - Ability to configure/define analog Transmitter input ranges through
3 f5 n. ?0 y$ c' P > simple programming method to correspond with full-range analog Receiver
6 {; M* Y4 x% D7 z) R > outputs (0 - full voltage).
( Y9 U! c) H2 b>
9 V$ t; w9 M# G$ h5 j M: G, y > - Ability to configure and set sample rates for the inputs.
1 {! S+ t% X- \ >
! u+ r+ e% V8 d1 [' L! B. k > - Digital output on Transmitter that turns on during the sampling period.
$ r4 w9 J3 f8 B* c; N6 Q* r >
1 Z6 c8 p: z) b* V > - Ability to configure a power saving Sleep Mode in the Transmitter by
% e4 f* s+ e3 v8 ]8 j > both software control and input hardware control.
3 n1 F2 w w* A8 B8 X0 S>
/ `8 ~2 {' q0 f, _$ r. t > In order to configure the units, we would need a way to make the
% w* i* X- i/ h/ l- x- d, E > settings. This would preferably be from a computer terminal so that
; v3 p# u, ] X5 r' L0 y& N > configurations can be saved or easily duplicated for production volumes.
9 i: y' q# \" c" T$ D/ \3 X' C2 x > The units should be small and compact with shielding, and able to mount
2 }$ O2 p1 }) c, \ N0 {5 i > to a printed circuit board with header connector.
, V0 u) R' U8 e5 z2 M9 v >
% t6 [4 L/ i* y! I- f0 U> At this time, we are interested in samples of a pair of modems that
- K3 y" s; r; }3 E5 M> might be similar to this proposed system. We do not expect that you
9 s! H9 E4 ]8 o ^6 [; q> provide all of these specifications at this time. I can describe our
+ Z/ O' t/ g; O. }- f) B! I, F* x> immediate application needs in the next email if this project is of
* E z n8 |8 f1 b8 i2 e> interest to you. Perhaps you can make the samples by those
+ M G+ U9 o6 s > specifications. This will allow us to test your radios before we move
/ S5 T* ]0 o( p+ H3 m> forward. We are interested in your 900MHz radio to start.
m- o) X+ l) z3 V2 Z1 O. G$ |& T
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