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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

- l+ J4 C4 x" E# j1 w 客户要求如下,如果哪家工厂可以做,请和我联系
" B4 U9 p2 R% y% _* M5 a3 R > The application that we have in mind is similar to others that we commonly
# c% L9 a1 p7 f$ z7 `> have. If we were to pay for FCC approval, we would want to use the modem
! a' V/ l) W- a+ I, Z) t1 W5 { > units in all similar applications under the same approval number.
: P5 V0 h: ^5 F3 u4 v) i > Therefore, we would like to be able to configure the units to a specific
. w$ s8 ~" u6 O, k) q5 M> application. For the business that we do, this approach will yield more
7 Z* n ?& Q1 A8 `& { > sales based on the same product and approval. We are interested in the
2 Q p: h8 b5 j; X4 {5 j> following specifications:
* x7 E5 m9 \( b" j9 c7 R>
4 ?- J( {, ]# C5 b> - 2 inputs at the Transmitter with three possibilities;
9 d0 c. z1 T1 p1 j# j# ]" T> 2 analog
: i6 ?- Y6 B5 {0 p$ V > 2 digital
q' I1 o2 b G# g! {$ P> 1 analog and 1 digital
8 Z2 d O0 V7 T9 X& Y6 [/ {: j >
8 |0 i* s7 W4 T5 F" o > - 2 outputs at the Receiver with three possibilities to match inputs
, U. b/ o0 {% }' O0 _: z! W>
: \! O; h# y+ A > - Ability to configure/define analog Transmitter input ranges through
# a2 A. q) b) u$ S; T/ O > simple programming method to correspond with full-range analog Receiver
9 ?" D9 M! Y+ f6 W& a > outputs (0 - full voltage).
2 v1 c$ K/ C q0 Z6 _9 c; n >
3 x l$ }) j4 L. t; [( c t > - Ability to configure and set sample rates for the inputs.
/ a$ Q3 N2 L4 y' I" R2 \>
' V. I `: ~% r A' A > - Digital output on Transmitter that turns on during the sampling period.
3 X$ M4 O+ \: O >
# c* \9 m1 I, S: l w > - Ability to configure a power saving Sleep Mode in the Transmitter by
; ^4 z& Q" R& n q3 I8 K) ~" N > both software control and input hardware control.
6 F8 H6 ]" {$ F6 Y E$ l+ z. e>
" c5 K" q; Z1 ? `6 v> In order to configure the units, we would need a way to make the
2 {- s( N& r0 h$ R2 r5 g> settings. This would preferably be from a computer terminal so that
9 j) p# t; z; x* |> configurations can be saved or easily duplicated for production volumes.
8 j( }' S6 r$ g6 }1 h1 q > The units should be small and compact with shielding, and able to mount
. R3 T6 Y& M" K% \ > to a printed circuit board with header connector.
% I, F9 H& ?9 Q+ t >
9 }: u l X/ j> At this time, we are interested in samples of a pair of modems that
. w ?9 \- \# T0 V* N> might be similar to this proposed system. We do not expect that you
] ?! E0 ^ ]( y: R4 a7 Q> provide all of these specifications at this time. I can describe our
; P, i3 O h: {' N1 x9 ^% ?/ t, `> immediate application needs in the next email if this project is of
G$ K0 u6 @$ ?# h> interest to you. Perhaps you can make the samples by those
$ b* e+ s) ? Q$ u- [6 P# t% }0 }> specifications. This will allow us to test your radios before we move
( c/ t; b: ]& e+ ~- x* j5 I> forward. We are interested in your 900MHz radio to start.
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