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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 i6 N% S1 z" X) K5 C6 q- C客户要求如下,如果哪家工厂可以做,请和我联系
& `+ }: I( }* W! C7 K0 Q* v$ q> The application that we have in mind is similar to others that we commonly
* y3 q: H5 ~* Q& l$ t > have. If we were to pay for FCC approval, we would want to use the modem
" E" E; q+ b/ c0 F6 v> units in all similar applications under the same approval number.
' o- g' v, W$ q/ `% w! H> Therefore, we would like to be able to configure the units to a specific
8 b3 c( p0 c$ v3 P+ \> application. For the business that we do, this approach will yield more
7 B+ _! P- L2 {( q4 x> sales based on the same product and approval. We are interested in the
* c M7 v* U+ z' I0 \5 Q+ r% ?% t; i > following specifications:
* r) I( g( ~+ ]& B5 |0 R' g9 D: y >
' U' W/ d( c# o4 y> - 2 inputs at the Transmitter with three possibilities;
8 _1 v2 m" M& Y% v$ O9 w2 z > 2 analog
$ _" f% p6 n4 N! n/ ?' Z% g9 t > 2 digital
: b! j2 c( ^4 Y' S+ \> 1 analog and 1 digital
( } u5 ~, Y; L! n, D- t2 Y; \; t >
1 \8 g; g, U. }: ^ > - 2 outputs at the Receiver with three possibilities to match inputs
4 `! T, S! n6 b+ L4 j >
- N% T3 v4 B, M1 O- h3 B& l( v, t> - Ability to configure/define analog Transmitter input ranges through
) U# ~+ R% `: @% D" E: N9 \> simple programming method to correspond with full-range analog Receiver
7 J; U6 w5 u8 J/ n2 U > outputs (0 - full voltage).
8 d9 `0 J" k" M- j# \ >
- W, P4 \) \+ Q/ }5 i> - Ability to configure and set sample rates for the inputs.
8 d# c. I* k' W8 q5 e. ^8 R >
; ^ r2 ^& N+ g; U2 P> - Digital output on Transmitter that turns on during the sampling period.
* W: z& Y1 n: E; w+ Z: r >
: c" y7 ?8 Q+ f5 b( H& i> - Ability to configure a power saving Sleep Mode in the Transmitter by
# V% J c7 h; v7 v5 u; [% u > both software control and input hardware control.
; Z+ e& r% V* A7 x A >
$ y C5 J. P8 A& U, x, U7 [9 d > In order to configure the units, we would need a way to make the
% g7 ^$ `" p& x7 w$ t" J> settings. This would preferably be from a computer terminal so that
! v5 ~* f( _5 }> configurations can be saved or easily duplicated for production volumes.
- _! w& c: D& D! _$ ~> The units should be small and compact with shielding, and able to mount
. H1 r/ l( j4 R+ y& d! m > to a printed circuit board with header connector.
; x' L3 V4 K9 r, t$ w# I4 } >
; L J1 e0 U0 A6 M. v) \2 t6 |> At this time, we are interested in samples of a pair of modems that
0 X p+ {) M; H6 Y > might be similar to this proposed system. We do not expect that you
2 V- F# y: L7 c5 |> provide all of these specifications at this time. I can describe our
8 C% G/ N6 S0 X' t/ o > immediate application needs in the next email if this project is of
! N% e# q/ _( C& L0 c/ B > interest to you. Perhaps you can make the samples by those
, q9 W' A2 \+ k > specifications. This will allow us to test your radios before we move
4 `1 |- K$ j, ~> forward. We are interested in your 900MHz radio to start.
' P! \7 V1 u: A0 J- P" U. c
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