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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

9 h3 |( a% {& \' L5 R 客户要求如下,如果哪家工厂可以做,请和我联系
1 a! N! [* @/ S: r f. B > The application that we have in mind is similar to others that we commonly
" | v! O. D* u' L | > have. If we were to pay for FCC approval, we would want to use the modem
9 d. s( i+ Y" s' I0 V+ a# O > units in all similar applications under the same approval number.
) c' _0 s8 i- ?, F+ ? > Therefore, we would like to be able to configure the units to a specific
- @. f d8 V7 Z1 i' c! y8 D > application. For the business that we do, this approach will yield more
/ w& X" q0 n- s3 x> sales based on the same product and approval. We are interested in the
- z. R, U0 [- L: _> following specifications:
7 \9 m. n( f" F- v9 k5 h >
2 B2 G( t: F% C5 \; E) o- t> - 2 inputs at the Transmitter with three possibilities;
9 M; o+ \, I- u. H0 X, r }7 Y5 S> 2 analog
! `5 a& i1 J, [ > 2 digital
7 L5 S9 c( b" p$ Z$ H; G > 1 analog and 1 digital
& [- H2 Y, y$ N! x' Q+ ^>
; H; ~$ E9 w3 _2 F- f) T > - 2 outputs at the Receiver with three possibilities to match inputs
; g6 ~, P" \! {: m% s>
) C1 t/ v2 d/ ^- R9 r5 C/ m3 w- G> - Ability to configure/define analog Transmitter input ranges through
/ Q- b0 b, s. g. G. p6 w > simple programming method to correspond with full-range analog Receiver
z* C5 G( A: b3 V5 j > outputs (0 - full voltage).
1 e" o$ t2 ^& o>
8 l& p$ `3 P7 R* c+ E5 ^8 h. D> - Ability to configure and set sample rates for the inputs.
3 C1 w8 b% _" T$ q# Y>
]( x1 s: N. d2 b7 {, A( \" G> - Digital output on Transmitter that turns on during the sampling period.
2 j! W" e. g* k8 H8 T/ F1 e+ k>
) ~/ h- s* a1 b4 R. Y> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 T6 W: m- p1 I1 n; O) {. g1 `: O > both software control and input hardware control.
' c3 R _& T0 C% G >
3 q) G+ w# H, b; [9 F > In order to configure the units, we would need a way to make the
( W# u! F; r2 f' |+ {( v/ a > settings. This would preferably be from a computer terminal so that
& ?( a G) _ C# Z1 A5 S% Q# ?; `& k> configurations can be saved or easily duplicated for production volumes.
: o' O# U+ x7 {. X: k. _- _1 t0 }4 q> The units should be small and compact with shielding, and able to mount
6 d0 V* X8 Y. z% A$ w> to a printed circuit board with header connector.
, ?, u3 u) P5 E5 O+ Q8 M4 |% T>
! y4 T% @4 C: A6 k, h2 `2 Q y> At this time, we are interested in samples of a pair of modems that
9 b% b# a- a e6 m' w. h> might be similar to this proposed system. We do not expect that you
. M8 P% T6 c+ a) Y& M6 X U' W> provide all of these specifications at this time. I can describe our
! W0 A- b9 S( E> immediate application needs in the next email if this project is of
' g' F1 Q& H+ C- w4 |0 Z% [> interest to you. Perhaps you can make the samples by those
% Q( E% |! I: @> specifications. This will allow us to test your radios before we move
9 J$ ~8 k4 \" W > forward. We are interested in your 900MHz radio to start.
1 u* f% l" t* W8 g5 }7 E
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