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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

* `8 f* K0 `. L客户要求如下,如果哪家工厂可以做,请和我联系
5 j- s& Z) X9 {2 y/ |: s+ l7 S l* g > The application that we have in mind is similar to others that we commonly
; U U* y9 B; W6 C& \: y9 a > have. If we were to pay for FCC approval, we would want to use the modem
3 d- O" O- E0 t: J; g3 }( i% @ > units in all similar applications under the same approval number.
6 g7 }9 {5 {' Z4 A; t> Therefore, we would like to be able to configure the units to a specific
. Y# o3 w$ r1 d9 L/ }+ e5 z > application. For the business that we do, this approach will yield more
+ R( [8 z* ?# w/ K# ] > sales based on the same product and approval. We are interested in the
2 U! F: } ?- N: x* |- o > following specifications:
& X) z% B. }4 x) D >
* I& g( s" A2 P$ o > - 2 inputs at the Transmitter with three possibilities;
8 E1 A5 Z+ z7 r > 2 analog
: f2 x+ z' {; l1 o2 [* X8 x6 v T> 2 digital
1 e- a- e4 ?/ f4 m# L$ h2 A, b3 u- j > 1 analog and 1 digital
7 K2 l, i; M) `2 n- k>
" d2 @* S% v8 f f> - 2 outputs at the Receiver with three possibilities to match inputs
( \7 q+ v( X: T t# _8 l ^>
2 g# Q: v7 r$ K0 Q> - Ability to configure/define analog Transmitter input ranges through
! b* H/ h! M( ?% f1 G5 t> simple programming method to correspond with full-range analog Receiver
1 v, N# J) ?2 K& T. |> outputs (0 - full voltage).
+ p3 i, p. y# J8 u, _) E>
& X. N* X' Y8 n/ s+ w+ U> - Ability to configure and set sample rates for the inputs.
' ]+ M/ Z3 _* m1 F7 l, }0 V. V3 b1 q, p >
- q; ^/ e& T& Y8 w) j > - Digital output on Transmitter that turns on during the sampling period.
5 ?4 | |$ Q' B' a! ~8 ~5 E$ ] >
' R$ D6 ^8 g# I9 o' ]7 g8 l > - Ability to configure a power saving Sleep Mode in the Transmitter by
# V! {7 d5 J. Y2 @) N> both software control and input hardware control.
) e7 G! Q; F' d >
9 ], w9 m \1 R2 s> In order to configure the units, we would need a way to make the
" B/ R7 |' x/ {# b> settings. This would preferably be from a computer terminal so that
b, L+ G6 `- h3 o" m > configurations can be saved or easily duplicated for production volumes.
& v: o& ]0 a( G2 Y7 u3 I4 B > The units should be small and compact with shielding, and able to mount
% b: Z; {! J" \1 g: L+ E9 Y > to a printed circuit board with header connector.
, |; }, c& m/ u' V >
6 a7 j8 w3 U. E1 j( e/ d% K! ] > At this time, we are interested in samples of a pair of modems that
8 K4 y9 k5 z D" I9 ?; ]! g& L8 x > might be similar to this proposed system. We do not expect that you
9 j5 G8 W1 z1 h- i > provide all of these specifications at this time. I can describe our
0 N% o( q2 S" Q4 R* N; y ^ > immediate application needs in the next email if this project is of
) G% }& n! g1 ]/ M4 Q' A9 x5 g4 a > interest to you. Perhaps you can make the samples by those
! g2 Z2 A! A! l( S > specifications. This will allow us to test your radios before we move
" a' z/ u1 `( t/ F8 f- K> forward. We are interested in your 900MHz radio to start.
4 I* Z+ t. ]8 n2 D& G: M
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