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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

/ U8 r4 `7 o: P$ J6 | 客户要求如下,如果哪家工厂可以做,请和我联系
1 E F" ~9 l u* h" s > The application that we have in mind is similar to others that we commonly
& @6 P p' d( l0 O> have. If we were to pay for FCC approval, we would want to use the modem
5 X" g1 l0 q1 `. D. g1 m> units in all similar applications under the same approval number.
( Y: t& J, O% w W> Therefore, we would like to be able to configure the units to a specific
b5 |; ?( n# Z* H2 p4 Q+ R- i0 O8 } > application. For the business that we do, this approach will yield more
) X( R0 R3 J3 t$ K( k; k > sales based on the same product and approval. We are interested in the
# R8 z( ?% ^3 w: {5 @! r; e3 r' u > following specifications:
/ Q8 |# e, ?# g" n$ N>
# o) m$ d' [- {9 n1 G> - 2 inputs at the Transmitter with three possibilities;
5 r1 }& ?7 [5 Q$ b8 N. S > 2 analog
3 B) o+ W( \# K > 2 digital
2 ]( A) M, ?: i0 |* H1 g: `1 a> 1 analog and 1 digital
0 b5 L* }7 T+ B k& Y$ x6 D" U >
6 E5 q9 V2 I- P5 `> - 2 outputs at the Receiver with three possibilities to match inputs
6 u4 c" @& L* G- [: l+ @" t' b( b>
* M2 h! w2 G# H4 S8 C> - Ability to configure/define analog Transmitter input ranges through
% l, ?. E [* T; A/ D o > simple programming method to correspond with full-range analog Receiver
3 M$ X3 k: u8 u! W; o> outputs (0 - full voltage).
3 Q B& [( d( t3 N& A _; z >
- M8 p9 o0 D+ q, |* K5 `$ Z> - Ability to configure and set sample rates for the inputs.
5 G; S! X; \+ j6 ]6 p' o >
7 J- \3 }$ \! b9 i > - Digital output on Transmitter that turns on during the sampling period.
5 E) B7 H# l) l; k3 M& n; j1 |2 O >
5 B' e, r# C2 w( O# s > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ D2 L* V# q7 X- S( h> both software control and input hardware control.
a( O! n! v, K" ~>
( w" u% ?; q8 H6 p4 h& q > In order to configure the units, we would need a way to make the
# t0 Q2 b$ ?/ ]1 U' b0 o8 T$ E> settings. This would preferably be from a computer terminal so that
8 V/ q: X0 T% n; L+ M# o> configurations can be saved or easily duplicated for production volumes.
0 `8 X* W- ]8 A3 {6 e+ d> The units should be small and compact with shielding, and able to mount
: ~ Q, a9 W0 S% l> to a printed circuit board with header connector.
" k4 Q: f v: ^7 M/ X3 T >
c% W2 B/ `4 a: z1 _> At this time, we are interested in samples of a pair of modems that
) \9 K; h! N1 V q$ E9 y/ c> might be similar to this proposed system. We do not expect that you
$ l# f& c; G( A5 m: p> provide all of these specifications at this time. I can describe our
; `# r3 b7 }' w* k3 ^ > immediate application needs in the next email if this project is of
S5 A# ]& b* w! s: Z- L> interest to you. Perhaps you can make the samples by those
/ Q% p/ c8 l" f> specifications. This will allow us to test your radios before we move
3 [ C* A" i% p+ ^& `" T> forward. We are interested in your 900MHz radio to start.
, S+ Q9 }8 \1 Y' U$ a7 e
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