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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

/ k8 X: Q! d6 s* |/ ` 客户要求如下,如果哪家工厂可以做,请和我联系
* m3 d8 E! o0 u/ a% [9 t > The application that we have in mind is similar to others that we commonly
; x( y( ^! j- l) {! N, G > have. If we were to pay for FCC approval, we would want to use the modem
7 K% s/ m- @, z5 I M > units in all similar applications under the same approval number.
' h) \. u$ _. ~: l > Therefore, we would like to be able to configure the units to a specific
6 V( Q- N. W* `+ p' Z; X9 m2 c$ Q9 [ > application. For the business that we do, this approach will yield more
. C" T! L# S( ~6 ]> sales based on the same product and approval. We are interested in the
+ {' v1 `/ q" R/ ~* x* P" I> following specifications:
+ s0 N( Z# K' n Q2 G7 ~ >
9 F# ~+ v& y7 T9 b( E > - 2 inputs at the Transmitter with three possibilities;
: `' `! l4 i; U& C. Z! R1 L9 W" f> 2 analog
% H8 x2 {. q) w% D6 F> 2 digital
( w# i( F7 p/ j' v4 d > 1 analog and 1 digital
/ N( }7 j( x# ]2 [- ~ >
- m6 v" U) [ S) k: j4 f8 u- T8 U4 |> - 2 outputs at the Receiver with three possibilities to match inputs
2 N2 x* I& v Y' m2 U$ Y& `2 ~ >
. F% E5 X- G0 T1 g5 _ > - Ability to configure/define analog Transmitter input ranges through
7 w' L$ U* i3 q4 W. ]% ?9 C; _> simple programming method to correspond with full-range analog Receiver
8 i8 C2 L* E1 o2 [> outputs (0 - full voltage).
0 z7 M/ Q* S, g8 Y' q& R6 W. C >
" o' v5 b$ ^2 ?3 w5 C& C* \> - Ability to configure and set sample rates for the inputs.
, a" [4 i( ^' e" c >
4 P! l O' r6 Q* j > - Digital output on Transmitter that turns on during the sampling period.
( E& _5 R5 }! O- r9 |! n >
. R, z" l& H" }' I' w- p) z) s > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ C/ L4 w& E5 H> both software control and input hardware control.
, ~7 [: b2 V* A >
5 q, [0 h# J9 U5 U& H> In order to configure the units, we would need a way to make the
& i4 h8 `- l+ L. L+ {& O+ M > settings. This would preferably be from a computer terminal so that
% I$ C1 l1 c: M" ]1 ^% j# L> configurations can be saved or easily duplicated for production volumes.
; ^# j5 l. s( k> The units should be small and compact with shielding, and able to mount
/ b$ x% F3 ]7 u3 z9 T7 n: A> to a printed circuit board with header connector.
/ O% g2 K2 V0 i; Y; Z. x >
0 [ r& O: U. \; q > At this time, we are interested in samples of a pair of modems that
2 I; ~% j8 [5 B4 X7 s > might be similar to this proposed system. We do not expect that you
8 z7 m- r, _5 x3 V3 T2 z> provide all of these specifications at this time. I can describe our
- V2 X) [$ I8 x8 Z, [* s, ]+ {! i! V> immediate application needs in the next email if this project is of
+ Q- n9 E5 a6 ]2 { > interest to you. Perhaps you can make the samples by those
+ O' F: U# ?; B' _8 p+ W > specifications. This will allow us to test your radios before we move
4 ]0 A! K: E9 V; Z6 G' g > forward. We are interested in your 900MHz radio to start.
" ?( a8 |8 L$ m. ?' K- W- D
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