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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

% ]8 U) w5 G7 l7 X ?' r客户要求如下,如果哪家工厂可以做,请和我联系
5 q, b1 n, q, E8 t> The application that we have in mind is similar to others that we commonly
' C& z u* J7 M- F> have. If we were to pay for FCC approval, we would want to use the modem
( h7 I! h. e' Q ]! O# e> units in all similar applications under the same approval number.
1 | C2 t+ Q7 w/ u2 X) `. S/ C, Y: T > Therefore, we would like to be able to configure the units to a specific
/ N' _7 W/ }/ H4 }* z9 { X' a > application. For the business that we do, this approach will yield more
5 Q$ E/ d9 @- @: @5 } > sales based on the same product and approval. We are interested in the
8 f! z( r$ Z* [. r {4 ~> following specifications:
& r6 i6 \) ] b6 ] >
1 c8 T2 }3 V: n1 `$ y5 }' q> - 2 inputs at the Transmitter with three possibilities;
/ R9 O, M0 s: L3 [> 2 analog
1 W, S8 S9 O6 _, G- o> 2 digital
( q% ~ j3 ]: Y U" p6 D> 1 analog and 1 digital
/ X0 ?& j4 g2 V( G$ ` >
. F9 F( N Y6 [9 ?: E > - 2 outputs at the Receiver with three possibilities to match inputs
) Z& Z2 u6 c/ K K- J>
' `' x* t* f4 ^ > - Ability to configure/define analog Transmitter input ranges through
2 O# E- p. l; j> simple programming method to correspond with full-range analog Receiver
& \3 y" O9 j- z1 l8 ], t- N- L9 u! q > outputs (0 - full voltage).
$ B9 E" |' x: P/ h >
$ t# s) o( A4 G0 V/ h > - Ability to configure and set sample rates for the inputs.
6 n5 R" S7 R r9 |+ ~4 N>
8 U6 s( g- _ g4 U > - Digital output on Transmitter that turns on during the sampling period.
/ o* y5 T) r+ w6 I9 r7 u >
6 E/ b% c" W5 h0 p9 J> - Ability to configure a power saving Sleep Mode in the Transmitter by
n( L2 z4 I2 j8 G2 ?2 N> both software control and input hardware control.
K5 x) \5 a, R. s# f6 q3 O>
3 d* w+ B5 a3 C3 W0 h3 D# b> In order to configure the units, we would need a way to make the
9 _2 Q9 e# v7 @( X/ @ > settings. This would preferably be from a computer terminal so that
, @ | Y8 M1 W" o5 e- K' _1 o7 B, r > configurations can be saved or easily duplicated for production volumes.
- Y0 n: D& h- c) M1 q( L5 q; r > The units should be small and compact with shielding, and able to mount
0 Q, e( K2 b4 C> to a printed circuit board with header connector.
4 |+ [5 `' |! u' @2 R6 }7 V >
* a' F( Q/ {1 P0 g > At this time, we are interested in samples of a pair of modems that
* L7 Z* ~: @! \' t, {0 o* |9 m! s. ]> might be similar to this proposed system. We do not expect that you
# I, Y3 h* r1 \" H8 E% W+ n > provide all of these specifications at this time. I can describe our
/ j+ }2 U' Q7 Y. L0 s! ^$ p) u. O> immediate application needs in the next email if this project is of
. B' C' \5 M6 D4 d! M > interest to you. Perhaps you can make the samples by those
! Q. _. D p5 W& b1 {" p& p> specifications. This will allow us to test your radios before we move
9 S9 `) h) ^4 m> forward. We are interested in your 900MHz radio to start.
& @, W' b; v+ `
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