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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

( B. q- W# s; H" D0 W0 H; ` 客户要求如下,如果哪家工厂可以做,请和我联系
6 U+ a' f" h# t > The application that we have in mind is similar to others that we commonly
* p w# h3 m5 M7 I > have. If we were to pay for FCC approval, we would want to use the modem
2 r2 y: A" S, _> units in all similar applications under the same approval number.
0 o3 `" f* q/ u7 z5 n > Therefore, we would like to be able to configure the units to a specific
& S% u7 B5 x8 ]0 a/ J > application. For the business that we do, this approach will yield more
+ z, S' d1 i; b> sales based on the same product and approval. We are interested in the
! z, T8 ^0 x4 l7 s0 m c> following specifications:
9 c0 _3 a0 [% b. U F3 U' t >
t) a9 L' y, U7 D" H> - 2 inputs at the Transmitter with three possibilities;
# c- Y, z3 R0 {> 2 analog
: a: s' q: K) P: O4 s > 2 digital
, s) @5 A# ?: N3 ?> 1 analog and 1 digital
( D- e( O7 m1 B& @3 k+ B& `>
1 {! r1 i; t; S8 y > - 2 outputs at the Receiver with three possibilities to match inputs
6 M, E) r9 X, O3 y' Z6 P$ T >
W+ S/ }# i: Q, l0 b > - Ability to configure/define analog Transmitter input ranges through
4 P q0 b' [7 g D7 V) D > simple programming method to correspond with full-range analog Receiver
: z: {9 F" k* N* Z0 h+ A# J7 r> outputs (0 - full voltage).
, E, }8 l" S! v/ Q# W>
3 v* A! |' H& w7 w, i T> - Ability to configure and set sample rates for the inputs.
" r; h6 N4 k% i J7 ~. }! Y% R. q; y>
1 }% E+ i- h2 @7 l: G > - Digital output on Transmitter that turns on during the sampling period.
# q1 ~6 |+ [9 \2 m7 n8 P& U' |>
% t- |7 K6 l# q3 ^ > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 V8 S& P$ j& M: _* C> both software control and input hardware control.
) o- g/ d% v" ` >
! S- M" K8 n; h" y, k3 b > In order to configure the units, we would need a way to make the
* V$ Y5 ]- [% U > settings. This would preferably be from a computer terminal so that
0 k; H" {0 `: @9 z( T> configurations can be saved or easily duplicated for production volumes.
. r% O& R/ G" p) n" J > The units should be small and compact with shielding, and able to mount
5 \9 B9 p. L. X+ v9 |3 O% a" |/ C> to a printed circuit board with header connector.
8 u6 I+ o. N1 y- N. J e& z' ^>
9 J0 F: C/ a8 m+ @5 o7 g3 l! U/ t> At this time, we are interested in samples of a pair of modems that
: X. Y) F, X8 e. o" y h% J$ ^ > might be similar to this proposed system. We do not expect that you
0 P6 l* L- G7 t2 H > provide all of these specifications at this time. I can describe our
# p( b/ t; F5 q- q- A6 w4 m! n> immediate application needs in the next email if this project is of
, P! ?) _$ _$ v/ y% V& [! v> interest to you. Perhaps you can make the samples by those
; W) Q- O5 w( J> specifications. This will allow us to test your radios before we move
; P( u5 |! v K( l3 C> forward. We are interested in your 900MHz radio to start.
" r1 d" W7 D) a. d# p$ b
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