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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

0 [0 H; K& K* y T# ]- w% N 客户要求如下,如果哪家工厂可以做,请和我联系
, F; X% m6 T3 {5 u+ r' T > The application that we have in mind is similar to others that we commonly
% W, u7 r0 d( H) ?2 E4 I! e/ T- T > have. If we were to pay for FCC approval, we would want to use the modem
/ y2 P2 K: |% I j2 I2 z8 o> units in all similar applications under the same approval number.
; {3 Z1 k: a9 f2 g5 } L3 D$ I > Therefore, we would like to be able to configure the units to a specific
7 U( p4 r7 H, p' d N > application. For the business that we do, this approach will yield more
/ R% e2 a W& T2 W( w: h' e8 V> sales based on the same product and approval. We are interested in the
# G6 Y) \; X) [5 l! z! Z4 A! z> following specifications:
# K5 p% Y0 O1 b! N>
! Z2 C0 r6 l6 F# Q) p+ ~- H > - 2 inputs at the Transmitter with three possibilities;
9 w; r( y3 ? E. q+ o( b4 N& y > 2 analog
4 G, Z1 S p/ M' L> 2 digital
7 \ d' H, j9 ^$ W > 1 analog and 1 digital
+ C6 K) W1 }; ~( A4 a( G0 I$ Y>
" s8 R9 L3 M! h- i' H > - 2 outputs at the Receiver with three possibilities to match inputs
. B5 H: S! z) z>
. c6 _% m) x) |> - Ability to configure/define analog Transmitter input ranges through
s& ^* q" \: ]6 g, n- g6 Y> simple programming method to correspond with full-range analog Receiver
# H3 @( L4 K# P9 k$ x > outputs (0 - full voltage).
. M0 C5 i4 F; M! T8 s: G>
# v' @5 z* I4 U+ r7 s% U. K% _7 y> - Ability to configure and set sample rates for the inputs.
) c$ k; a/ n0 N j' o/ j( ~>
. Q6 a$ W! A8 N( T( a3 O% ^ > - Digital output on Transmitter that turns on during the sampling period.
# w* z0 a6 |, ?4 _5 t >
C1 G7 B5 o) e' I* W > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ H; [3 x* x3 j9 }; f > both software control and input hardware control.
/ U4 P" x- w# g7 m( m% k >
9 l6 `" b- B$ Z/ x- V! _> In order to configure the units, we would need a way to make the
) z; c8 g4 X" Z- V# I> settings. This would preferably be from a computer terminal so that
) J5 L, {1 ~/ O: v- J7 c% u# j* Y> configurations can be saved or easily duplicated for production volumes.
3 C+ r. o7 v3 v > The units should be small and compact with shielding, and able to mount
2 K* m# W# k5 ?> to a printed circuit board with header connector.
/ u1 y, L& W- Q8 ~/ R>
. Y, z8 s* Y- n7 W: s; j8 {> At this time, we are interested in samples of a pair of modems that
; E: o/ B& a0 q) s' }> might be similar to this proposed system. We do not expect that you
0 Z$ X# z( f4 _4 l1 t( Q) D; u> provide all of these specifications at this time. I can describe our
: J a+ \0 L7 x > immediate application needs in the next email if this project is of
2 W$ }8 Y- H! K$ Z# @. S4 e$ p> interest to you. Perhaps you can make the samples by those
7 ?5 {" s; J& X4 S- w. q > specifications. This will allow us to test your radios before we move
/ W9 Z" |; p+ H3 L8 J: \) y> forward. We are interested in your 900MHz radio to start.
3 {+ Z% M2 r% j. _) t2 b
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