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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

+ P% l! S& H9 t+ d, h: ^% f客户要求如下,如果哪家工厂可以做,请和我联系
2 ~( g' E2 ^ b# y > The application that we have in mind is similar to others that we commonly
! r0 Y5 {, [6 x5 p& X5 C > have. If we were to pay for FCC approval, we would want to use the modem
: q3 e* e% C& \" D, r> units in all similar applications under the same approval number.
/ o# h/ |4 G4 r8 U8 q, Y0 R > Therefore, we would like to be able to configure the units to a specific
5 b2 k( p: w: X9 \" z. F/ ^> application. For the business that we do, this approach will yield more
, T' A& b/ S0 n4 H+ U> sales based on the same product and approval. We are interested in the
$ {" d+ Y5 f5 h) C7 O. k > following specifications:
% _' f: T8 N, z2 x4 L* X2 X' F3 x l>
7 S3 f. n1 | w > - 2 inputs at the Transmitter with three possibilities;
7 G% B' o# t% a% `> 2 analog
8 w7 I2 ^( _, G1 ] o7 E5 H > 2 digital
6 M, q3 u! X' H% W# C+ U M+ [ > 1 analog and 1 digital
8 i. Z ]4 ^% _ >
& y! t( w. T5 \4 d T/ c. {; W > - 2 outputs at the Receiver with three possibilities to match inputs
/ Y/ y9 B- B. G$ Y& J>
, B% |# h8 j$ {* b1 {' }> - Ability to configure/define analog Transmitter input ranges through
; X- y E6 x& \! R> simple programming method to correspond with full-range analog Receiver
$ j) ~0 G/ S" I > outputs (0 - full voltage).
8 l. I- P7 W6 U/ k" J>
, _. p( [9 W0 J& L$ l3 H3 |, x > - Ability to configure and set sample rates for the inputs.
7 J! k6 G/ i3 z u) M. e& B L1 S7 t >
- D S I1 N/ |* p/ V" n0 a( i: a > - Digital output on Transmitter that turns on during the sampling period.
# V6 }+ O% N0 E: X. H- X>
% O; | }# v5 V5 M. s> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 E P i. {8 z: F" K; l0 o% V > both software control and input hardware control.
0 {% j5 K3 f5 V' ]% z% P >
; P/ l1 a9 R" d! w > In order to configure the units, we would need a way to make the
8 u1 G# C! J) c! Q3 X( k; l. z> settings. This would preferably be from a computer terminal so that
7 R6 r- O: w& U2 ?5 g > configurations can be saved or easily duplicated for production volumes.
2 Q3 R, W6 G- [) w ]! I> The units should be small and compact with shielding, and able to mount
7 N* O8 c5 g* w> to a printed circuit board with header connector.
7 x5 J( p2 N7 d>
; g5 S/ o1 D. Z$ H > At this time, we are interested in samples of a pair of modems that
- X, T+ t9 ?, h* D- i> might be similar to this proposed system. We do not expect that you
9 S9 u2 N. Y* \ > provide all of these specifications at this time. I can describe our
( L% q3 s& ]1 S( P3 u8 C# X> immediate application needs in the next email if this project is of
. j* |9 B, r+ U6 x5 X& U8 b& E- b4 R i> interest to you. Perhaps you can make the samples by those
% B* T* |5 v; x1 i( f- L- Y1 [> specifications. This will allow us to test your radios before we move
3 f% d. \5 k6 H$ n4 ~ > forward. We are interested in your 900MHz radio to start.
! K. m! H' U& Z9 v
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