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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

& a- m& ]6 @! i1 L7 X! B4 Z8 a+ | i客户要求如下,如果哪家工厂可以做,请和我联系
4 g! [' N9 J/ u7 K> The application that we have in mind is similar to others that we commonly
4 A. m6 z" H: `9 s2 c2 G) p: B! | > have. If we were to pay for FCC approval, we would want to use the modem
' ?7 O. J$ O6 ~/ l9 D: S > units in all similar applications under the same approval number.
8 e$ g8 S* H! k9 T > Therefore, we would like to be able to configure the units to a specific
8 z7 K0 i$ g) \+ G& H2 |> application. For the business that we do, this approach will yield more
, \% k. s7 w9 [! }% }* T7 R3 R; ? > sales based on the same product and approval. We are interested in the
8 d7 Y+ L6 _# ^, R3 a4 u> following specifications:
( ~ M& F2 D' Y1 Y>
- a* Y4 {0 Y, }2 r& a> - 2 inputs at the Transmitter with three possibilities;
. B r( d p) S/ i) H, l' P: G. T0 M> 2 analog
! d; G- T* z Z! v. y- L" `/ d> 2 digital
5 ~9 c8 S9 A, `( M z7 C > 1 analog and 1 digital
# L' b5 d$ P7 B& z+ z. [, ` >
p* \7 F; T6 J) v$ y3 P. {% n > - 2 outputs at the Receiver with three possibilities to match inputs
' K j7 c; o+ K' a9 y0 f. l a7 D2 k& { >
3 }2 Y) |4 c. t9 z- m% f9 k8 z > - Ability to configure/define analog Transmitter input ranges through
, H& K, i( I( c3 @ > simple programming method to correspond with full-range analog Receiver
5 Y5 R# T! M- \/ M> outputs (0 - full voltage).
6 @! e! ?9 _. K! W) L >
; c4 l }: z* L6 \) x > - Ability to configure and set sample rates for the inputs.
8 z6 n3 m8 a2 k$ C: i: _>
F9 _) d& }0 Z3 j > - Digital output on Transmitter that turns on during the sampling period.
4 i% _) n( X: G) |7 [. y! B>
4 P" T0 b" o9 c0 F, i0 K9 @+ z > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 n7 A0 t1 h2 p" T1 z2 X6 B > both software control and input hardware control.
4 D5 @/ E D7 ^" I( ?, s>
1 F1 U- k" \0 I% O# M I6 D3 N8 ` > In order to configure the units, we would need a way to make the
- U- u' @6 k' c6 Y; N: }& N> settings. This would preferably be from a computer terminal so that
( a" e1 S# b' X/ G1 J> configurations can be saved or easily duplicated for production volumes.
% k0 I4 J9 U0 L( w5 L- ]3 ^> The units should be small and compact with shielding, and able to mount
8 [# x2 e' J" X/ N > to a printed circuit board with header connector.
# L5 S% D5 E* X- D' P >
: F8 A5 G) n: V0 b5 I+ X8 r+ g> At this time, we are interested in samples of a pair of modems that
/ ^* n: _; I+ S5 N5 ~2 W$ z! g! Z1 G5 j> might be similar to this proposed system. We do not expect that you
* u7 S: d, z" S: O> provide all of these specifications at this time. I can describe our
& w: w9 ?8 F. x1 l! e! J, R* y> immediate application needs in the next email if this project is of
/ ?# {' H! [2 E, U, e& a1 i> interest to you. Perhaps you can make the samples by those
5 {/ Z: x4 T# q> specifications. This will allow us to test your radios before we move
; p: _9 J0 k3 w3 X. v' C > forward. We are interested in your 900MHz radio to start.
! {8 a1 t# F# L2 X5 J
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