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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

5 f- O" |7 J" F+ Q6 x 客户要求如下,如果哪家工厂可以做,请和我联系
5 n e1 i9 M$ Q+ {0 u: t Z, X% U> The application that we have in mind is similar to others that we commonly
% h2 Q" f! z9 B" R5 L$ m > have. If we were to pay for FCC approval, we would want to use the modem
/ h2 u/ I" D! v3 m- l3 v > units in all similar applications under the same approval number.
, B I% U& R' Z3 A# k- N( l% v5 R; |> Therefore, we would like to be able to configure the units to a specific
4 G n! z& E& Z' X+ {$ J) C$ b; N > application. For the business that we do, this approach will yield more
* l- V1 A0 W `$ y- t> sales based on the same product and approval. We are interested in the
" M1 Y! U9 N4 {# w > following specifications:
. P2 v* Z4 u4 e2 Q1 q" R% d>
# R* w7 ~* d* R4 E > - 2 inputs at the Transmitter with three possibilities;
6 m9 g6 c1 a! H, Z* o$ d* V> 2 analog
2 r7 i/ m4 Z! o8 |- h> 2 digital
5 T1 X$ h6 y* P) D. m" b > 1 analog and 1 digital
- i2 b7 T- v2 c) o+ R9 Q9 P5 z>
; S: \, S( \/ g- H$ b! b( A> - 2 outputs at the Receiver with three possibilities to match inputs
+ h6 d+ x3 x4 V* t8 C0 m# \4 |; C >
1 ]7 [4 m" J. J7 |! x/ G > - Ability to configure/define analog Transmitter input ranges through
! O" G1 e8 {0 {4 j" b* j& V > simple programming method to correspond with full-range analog Receiver
( j- H9 z3 w' H0 k) w# J: @ > outputs (0 - full voltage).
2 p; |( a& ~# p5 n8 L>
2 R7 l& N9 F4 }6 P > - Ability to configure and set sample rates for the inputs.
: |* l* V$ U C, A' C) ] >
9 z6 }) u8 D6 Q > - Digital output on Transmitter that turns on during the sampling period.
+ O% B" C& m( W. N% m >
9 z! n z u" M E9 N> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 d p, Q6 n# }% P2 d* c> both software control and input hardware control.
: n9 u; D( }6 q8 E9 c >
! a5 N. ~( {" k, P0 M- P" e> In order to configure the units, we would need a way to make the
" [3 d( Q1 |7 U, S> settings. This would preferably be from a computer terminal so that
; f4 P5 m0 s( X1 g! V" W6 r> configurations can be saved or easily duplicated for production volumes.
, W& p* I+ ]& L > The units should be small and compact with shielding, and able to mount
( o8 S6 B/ j! Z8 J# a9 {1 A > to a printed circuit board with header connector.
- `# |6 k* Z9 N1 C1 M >
6 f) U6 v _6 e0 y4 e! B> At this time, we are interested in samples of a pair of modems that
; |" ^# @5 N4 ^- |# @" w > might be similar to this proposed system. We do not expect that you
" X& q/ ?: q( n9 y9 q > provide all of these specifications at this time. I can describe our
; N! l$ i% x" R* t+ c: K> immediate application needs in the next email if this project is of
6 ~. D" Y; u6 E5 R" O( c# E > interest to you. Perhaps you can make the samples by those
$ j. a9 p0 P; g1 p# q& C8 \" I > specifications. This will allow us to test your radios before we move
! Z5 v3 [9 Q) E Z3 I" a; l) h > forward. We are interested in your 900MHz radio to start.
/ T6 r6 {# g) M2 A! n
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