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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

1 E7 A5 S+ K! C- S0 n) s( e* W 客户要求如下,如果哪家工厂可以做,请和我联系
1 x0 u8 d# s- U( V4 C2 X$ e> The application that we have in mind is similar to others that we commonly
+ [3 L5 B" j% }! C$ H& X' h > have. If we were to pay for FCC approval, we would want to use the modem
/ B6 d, o. a$ k" k+ M7 m5 e+ e8 q> units in all similar applications under the same approval number.
) H4 Z" Q+ q4 W6 m) e > Therefore, we would like to be able to configure the units to a specific
& O# ?8 I% V. |4 m8 k> application. For the business that we do, this approach will yield more
/ s3 A% H- @5 X; ?5 {> sales based on the same product and approval. We are interested in the
- d. A7 f) ]" t, y > following specifications:
7 r1 V2 z# `; p* M8 \# w >
, s. \3 w } ?3 n5 U3 z > - 2 inputs at the Transmitter with three possibilities;
" c7 j: F6 Z/ s! T > 2 analog
: ^' `7 ]2 R" k2 o/ S+ p( J! c* f> 2 digital
2 a- O- C( R0 i1 w# s9 ^ > 1 analog and 1 digital
& _- q& g2 e( n9 r) M >
6 I" `; @1 j% s> - 2 outputs at the Receiver with three possibilities to match inputs
2 _+ S9 Y/ R( ]" z" }% ^>
" z" J9 G/ H$ p' G7 d > - Ability to configure/define analog Transmitter input ranges through
$ j$ B- c/ ~, T$ L6 Z6 T> simple programming method to correspond with full-range analog Receiver
( m0 a" V3 f' t! u > outputs (0 - full voltage).
$ }1 X+ }" Z2 m( j>
! y4 y, N O2 A1 x> - Ability to configure and set sample rates for the inputs.
/ R" v: n4 p8 X3 f' A>
e! I' x, Y) D2 `> - Digital output on Transmitter that turns on during the sampling period.
2 a8 t2 ], X- c. k- M) E) u7 A9 z8 e >
5 o3 K" g' _' |9 [: W/ K> - Ability to configure a power saving Sleep Mode in the Transmitter by
) [5 J1 h: f# c > both software control and input hardware control.
7 T4 \2 U) ^* r8 j. ^" H >
. m# ~& f3 h* n! q: E > In order to configure the units, we would need a way to make the
9 a$ [# F* n6 x3 h0 o. m3 @> settings. This would preferably be from a computer terminal so that
* k( z" ]% q; z% C( X6 ~' R$ T8 I > configurations can be saved or easily duplicated for production volumes.
( d- X9 i, ^: w! v* v: c > The units should be small and compact with shielding, and able to mount
( P* V$ Y2 ^- t4 f% } > to a printed circuit board with header connector.
- G- I" n$ F5 h j4 p4 x) k! O0 L>
& S' H L4 J& X$ v0 e> At this time, we are interested in samples of a pair of modems that
: l9 Z0 }3 m% w: @. R > might be similar to this proposed system. We do not expect that you
7 w$ o' Z0 k- l2 W+ c- Y! z% z > provide all of these specifications at this time. I can describe our
% V& `. P4 z" Q, D3 s> immediate application needs in the next email if this project is of
7 ^- V6 q- e# \) u> interest to you. Perhaps you can make the samples by those
# \+ B. `1 g# a) z7 e: v! M> specifications. This will allow us to test your radios before we move
0 K* c, B! i0 H! ]1 l > forward. We are interested in your 900MHz radio to start.
+ ^+ h& R# N' s2 h! `5 {" A
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