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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) R: Y7 m* t8 r, ? 客户要求如下,如果哪家工厂可以做,请和我联系
% w' c& J1 F* C" k$ x, F2 U> The application that we have in mind is similar to others that we commonly
! F+ T' [7 R7 J8 ]! M3 w1 Q> have. If we were to pay for FCC approval, we would want to use the modem
- _) r0 O1 n5 w> units in all similar applications under the same approval number.
6 b& D9 y/ M& f7 l( @7 S2 M. l) J > Therefore, we would like to be able to configure the units to a specific
0 c% S, D3 h8 v2 {> application. For the business that we do, this approach will yield more
: P; G' P6 b0 }2 M. D9 f3 j > sales based on the same product and approval. We are interested in the
2 q/ |; A( P. U' F/ c6 e> following specifications:
# B% Y1 o4 x: _ >
2 s& C# Y* R$ w. k( J/ j > - 2 inputs at the Transmitter with three possibilities;
0 R% |8 f) [; d4 V3 ~5 J > 2 analog
& X0 ~% K& E$ ] U! ~7 U > 2 digital
( L. h" ]1 |/ \/ x, M0 n! d > 1 analog and 1 digital
! A/ ~, T$ Y) d+ ] >
5 e* u3 p. J. r/ R* b+ d+ O. W > - 2 outputs at the Receiver with three possibilities to match inputs
" u( |* S) e% y9 d4 V9 a+ v* \9 H >
c- a4 N0 r2 z" m; { > - Ability to configure/define analog Transmitter input ranges through
: A9 x" G6 T6 _- B, j$ F> simple programming method to correspond with full-range analog Receiver
2 e! a, [4 b" M, s! c3 a> outputs (0 - full voltage).
- O4 J# {( m. O- {* i" d >
) D3 n5 Q# N3 D9 B1 { > - Ability to configure and set sample rates for the inputs.
" g1 k4 o n) }4 [9 A, F) [>
) @% k$ B! H5 h* ?0 n& i+ Q/ a> - Digital output on Transmitter that turns on during the sampling period.
. u; ^$ P p* H >
( _7 }" G; b! r! O/ Q, k' K> - Ability to configure a power saving Sleep Mode in the Transmitter by
! X% k! p7 q1 z > both software control and input hardware control.
4 c- |- m# L" A: y>
K( K3 b; ?; C9 x8 o; b8 |. k: w > In order to configure the units, we would need a way to make the
Y% L: d; k0 G8 u& o1 j' K9 |> settings. This would preferably be from a computer terminal so that
& L, p n0 Y' d4 T0 @! A > configurations can be saved or easily duplicated for production volumes.
( W5 `/ _1 i) e0 A > The units should be small and compact with shielding, and able to mount
* W5 v/ g) {3 L" i$ @$ R > to a printed circuit board with header connector.
4 d9 ~% Y* v! k. p! H>
4 F/ m( j. M+ Y8 u> At this time, we are interested in samples of a pair of modems that
& \% }0 m$ h4 J M1 t! H( t0 k> might be similar to this proposed system. We do not expect that you
) N2 d* @2 ?$ W* S, o% T+ \ k9 A> provide all of these specifications at this time. I can describe our
6 ]( Q8 O. E3 M: B) n! d7 F> immediate application needs in the next email if this project is of
0 f. b& ]7 c# T8 L% B> interest to you. Perhaps you can make the samples by those
& U! J3 p; F0 s6 D" a$ R S> specifications. This will allow us to test your radios before we move
8 K! ]8 A7 b, s5 C, h. f3 a- Q > forward. We are interested in your 900MHz radio to start.
0 w' }2 I# A- j3 F/ B
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