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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

- K6 V& |2 M# P2 j客户要求如下,如果哪家工厂可以做,请和我联系
X( S2 @! Z( C5 _- c6 t; }8 c3 l > The application that we have in mind is similar to others that we commonly
3 ?5 K) ~: K( M& D( a i > have. If we were to pay for FCC approval, we would want to use the modem
" [7 U, S$ U7 D8 M5 x& x( R > units in all similar applications under the same approval number.
+ E. b7 k4 g1 U$ Y2 f, Y- F> Therefore, we would like to be able to configure the units to a specific
2 g$ ] I7 A' `6 ?4 e/ u > application. For the business that we do, this approach will yield more
& A; {' K0 e5 Y0 X> sales based on the same product and approval. We are interested in the
: W5 i, I3 }; j- K6 V> following specifications:
$ N' O, V8 _! C, q>
) F, q! D1 Y f* {> - 2 inputs at the Transmitter with three possibilities;
- D( `. c5 ?+ D- I( O> 2 analog
: i* J3 U. W- S' O1 _/ j> 2 digital
x2 P' t% y0 }& O/ }3 c > 1 analog and 1 digital
, x A; c F. b5 k2 W; U6 n8 x >
: a0 I2 o* o9 I- {- Y, j+ f> - 2 outputs at the Receiver with three possibilities to match inputs
" y4 k9 x1 z/ S! ?1 X: D) M' u>
4 R7 M" d7 f5 o% G > - Ability to configure/define analog Transmitter input ranges through
4 z0 \; ^; B1 Q' R- `5 V2 c > simple programming method to correspond with full-range analog Receiver
6 g- V* W1 ]6 l! v4 \% O > outputs (0 - full voltage).
& U7 \0 i+ Q8 f' O+ t; q' u >
( o7 |2 ^0 v( E! q- O5 z> - Ability to configure and set sample rates for the inputs.
H/ {1 b# [" ~) c" d* ^( j! p+ V >
& b# ]3 {: u' q > - Digital output on Transmitter that turns on during the sampling period.
1 {' r4 @/ u; r/ c5 \ >
: ?# d% P; I9 p* Y2 n> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 ?2 t$ g( L1 o M > both software control and input hardware control.
1 [7 r/ o. Y+ i0 R% D >
' U) [. V3 i' x5 Z, x> In order to configure the units, we would need a way to make the
6 x3 q# p; H5 j > settings. This would preferably be from a computer terminal so that
+ l1 E Z6 y$ I: L2 F& I1 L > configurations can be saved or easily duplicated for production volumes.
* H& [! z* h' R. S5 l% G8 ? > The units should be small and compact with shielding, and able to mount
1 e9 |* Z2 \+ I, I. a! n* C3 _> to a printed circuit board with header connector.
# j" z9 Q. s# ^7 t! Y6 X>
7 E8 N6 q" w5 w/ @* X8 t > At this time, we are interested in samples of a pair of modems that
: l5 t9 K5 A! ~7 ^! O > might be similar to this proposed system. We do not expect that you
0 K* o1 O! O# j> provide all of these specifications at this time. I can describe our
8 v4 T% U9 a2 g( v% P( B1 I) H# E' d > immediate application needs in the next email if this project is of
$ A& N3 i* V. {0 Y; r > interest to you. Perhaps you can make the samples by those
" Y' w7 O+ B% v" X! |: Z r( Z> specifications. This will allow us to test your radios before we move
2 T% n8 H$ r9 \7 H5 y. g' U > forward. We are interested in your 900MHz radio to start.
6 T2 m/ X- b* l2 Y- v, }, Q
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