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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

. j4 _$ T5 t. F2 u- F% b 客户要求如下,如果哪家工厂可以做,请和我联系
4 u( F7 d4 O6 B ]: n > The application that we have in mind is similar to others that we commonly
2 a5 u# y4 M! Q& ], R > have. If we were to pay for FCC approval, we would want to use the modem
( Y: w$ k) ~ R, E0 t4 T5 ]$ ^> units in all similar applications under the same approval number.
) s8 T5 e. a2 y6 Q. t0 B# H: s > Therefore, we would like to be able to configure the units to a specific
. ?8 [8 w$ E; L3 m> application. For the business that we do, this approach will yield more
! v1 t' _* A% j > sales based on the same product and approval. We are interested in the
. c. q& q3 a! q( g+ H > following specifications:
1 U) U& \9 C+ C# ^' Q6 O >
, C- H, ]) q+ p% q9 c( Z5 x> - 2 inputs at the Transmitter with three possibilities;
* o" A1 x! o0 y) S > 2 analog
. S* B0 p2 |9 Q2 y6 b8 _> 2 digital
$ Y9 [' E$ B- }+ C" r > 1 analog and 1 digital
# r+ S4 g5 P5 f0 A8 b: X>
8 k5 r2 l8 H) B# j& w> - 2 outputs at the Receiver with three possibilities to match inputs
0 E* }$ X$ p3 ^0 T1 l$ {( c>
* `7 ~ Z, y! }: c, i) N; `1 J) U > - Ability to configure/define analog Transmitter input ranges through
4 r4 h5 C+ @( I. ~8 o0 y- {> simple programming method to correspond with full-range analog Receiver
: e; a0 x7 O( y- b! P9 R8 k > outputs (0 - full voltage).
! _( M' {) E: f8 A: } >
1 s# {; J0 T0 f4 m$ k> - Ability to configure and set sample rates for the inputs.
% w; C( g/ C% e& i) S$ j0 l >
. h# I) H& y" P' O& @. U > - Digital output on Transmitter that turns on during the sampling period.
% {" P- t4 p" N! N>
; \. S! X) H, I) _$ s: ?6 O> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 h. R+ E5 S. Q. q& Y- T) \6 X > both software control and input hardware control.
; I) E/ G- B# p* Z5 k>
- a& S7 p l$ v: y5 I# E> In order to configure the units, we would need a way to make the
9 b- W) a3 q( B0 B: b4 Q3 l: k > settings. This would preferably be from a computer terminal so that
9 W' R4 T: g0 h6 y) r4 M( M > configurations can be saved or easily duplicated for production volumes.
9 h* u- j$ {/ t" O > The units should be small and compact with shielding, and able to mount
; t1 Y2 y v% Y3 y. m9 ]> to a printed circuit board with header connector.
! r2 K: h/ i, R >
- F' R6 ]0 E | > At this time, we are interested in samples of a pair of modems that
: H; C# o, z$ {2 R3 ^/ O> might be similar to this proposed system. We do not expect that you
2 n( Q0 m$ |2 j. t4 d' H> provide all of these specifications at this time. I can describe our
+ L' r/ Q5 L0 K' A5 g4 u> immediate application needs in the next email if this project is of
5 C! O4 s4 R3 z: B" h* D a > interest to you. Perhaps you can make the samples by those
N" w/ W1 u0 m6 m7 V> specifications. This will allow us to test your radios before we move
# U" y$ m u( K1 }$ h( P0 U; G > forward. We are interested in your 900MHz radio to start.
( q- Q* \1 ^" O* Z' ]
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