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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

, t% f, B y, B+ A) s$ y 客户要求如下,如果哪家工厂可以做,请和我联系
5 B, W2 p6 Q$ a4 l" ?/ B9 w |> The application that we have in mind is similar to others that we commonly
# b T9 v: q) \9 @ > have. If we were to pay for FCC approval, we would want to use the modem
4 O7 _( C2 U0 U> units in all similar applications under the same approval number.
' v! A' P; v. a- u > Therefore, we would like to be able to configure the units to a specific
) c# M4 J$ a* T, t > application. For the business that we do, this approach will yield more
* `( T# |" c0 e( k > sales based on the same product and approval. We are interested in the
3 n( \3 B2 t8 M A- Z1 l+ F0 m> following specifications:
" {9 Y4 e# ?% w# \0 ^% Y& O>
, M$ H$ n9 `4 ~, F4 l N$ Q C> - 2 inputs at the Transmitter with three possibilities;
8 |) B/ N6 N; A2 g U8 o, n5 [( L0 l> 2 analog
' D$ n I3 X6 J$ @ > 2 digital
" Y$ ?& J S# ] } > 1 analog and 1 digital
# K/ y6 H( P1 @ y>
4 p4 Z: s4 C. `& R" r$ V5 D> - 2 outputs at the Receiver with three possibilities to match inputs
7 w& W& v2 D, M' W>
+ P: h+ ]5 @6 F- U9 t6 W > - Ability to configure/define analog Transmitter input ranges through
1 r' m# l' J( O" K6 z4 D6 e1 t > simple programming method to correspond with full-range analog Receiver
2 u, Q# r6 Z' v> outputs (0 - full voltage).
% x1 m- u6 |% [ >
! b1 e D% Z2 M0 b> - Ability to configure and set sample rates for the inputs.
0 {) p# R" _& m* g( u# |; |>
7 w3 Z* i) b" R0 U0 R> - Digital output on Transmitter that turns on during the sampling period.
' k: a: B! Y4 w5 u. q>
2 |8 |$ a4 l" i> - Ability to configure a power saving Sleep Mode in the Transmitter by
# r9 v0 b) C5 f4 P! f( g) [ > both software control and input hardware control.
# e s/ Q7 G) }2 x; m5 g >
' g8 K: d6 z, `+ J6 i6 a > In order to configure the units, we would need a way to make the
# ?/ r; y0 c6 C$ R1 b > settings. This would preferably be from a computer terminal so that
9 D0 ? j# H, L$ o) J M4 I> configurations can be saved or easily duplicated for production volumes.
8 p$ o, L1 [5 A/ o$ z8 I > The units should be small and compact with shielding, and able to mount
! |1 L" ]5 L( a( g- t2 ~' L > to a printed circuit board with header connector.
% _) R5 ^ {1 Q6 g3 h( w>
7 g/ p$ b; I% [( j> At this time, we are interested in samples of a pair of modems that
9 Z1 h# Y6 Z* t4 k% `9 E& e> might be similar to this proposed system. We do not expect that you
0 q1 x3 e% a2 N9 n7 M > provide all of these specifications at this time. I can describe our
+ s( f# j1 f1 n( z$ \. V > immediate application needs in the next email if this project is of
' e. X T2 w$ D! K& B6 K2 G> interest to you. Perhaps you can make the samples by those
8 L; \+ P+ x& J! P6 g( I, _> specifications. This will allow us to test your radios before we move
: o6 F& m% e+ S" P9 c3 m7 r. N > forward. We are interested in your 900MHz radio to start.
$ L9 S2 g) R% J1 I- m* R
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