|
|
4 N1 e3 e! l) y( e, m
客户要求如下，如果哪家工厂可以做，请和我联系
+ w+ ?# ]2 x7 L; J% H> The application that we have in mind is similar to others that we commonly
' R2 ~, @$ W) E& ~. h> have. If we were to pay for FCC approval, we would want to use the modem
d7 ]- A. U& O- n> units in all similar applications under the same approval number.
) T H0 S4 w" b6 A6 D/ {7 g8 \3 R
> Therefore, we would like to be able to configure the units to a specific
+ U: z; s, g" W) R2 P. H
> application. For the business that we do, this approach will yield more
+ U) p4 Y' ?+ y; b> sales based on the same product and approval. We are interested in the
$ Y1 E0 J E" n& V& B9 U! Q0 w> following specifications:
. [' q; K& k7 Z. B {8 ^0 U7 N- K>
9 G) a5 w' z% Z; v* N, A
> - 2 inputs at the Transmitter with three possibilities;
6 Z$ |: N' G* u. b
> 2 analog
3 @& n3 n( b5 H; o
> 2 digital
2 x# G8 E; D0 N+ q> 1 analog and 1 digital
, h& p! J: j0 B- }/ Z$ P$ Y* P
>
+ Y9 P4 a) `8 c$ z) a> - 2 outputs at the Receiver with three possibilities to match inputs
0 }" z6 h7 r" y7 X% r: r
>
8 _3 T9 c3 j5 Y
> - Ability to configure/define analog Transmitter input ranges through
( v t& ?) a$ [1 F
> simple programming method to correspond with full-range analog Receiver
) A- E+ s, K4 f' \> outputs (0 - full voltage).
7 T# Q' i$ X" U) M1 O: L/ D
>
/ W+ o* k1 b( Q0 {9 b# O4 F& P6 d
> - Ability to configure and set sample rates for the inputs.
' A" o. h( d- D>
' {% y. {! L, x
> - Digital output on Transmitter that turns on during the sampling period.
. i8 x! c( J2 L6 z# U>
; a$ P- ]& c5 g. k* T: {; ^> - Ability to configure a power saving Sleep Mode in the Transmitter by
/ g% u! V, d5 j& m
> both software control and input hardware control.
2 [) O8 Z& ^7 t- j0 j1 V
>
% L2 M j* ?& |, ~) @> In order to configure the units, we would need a way to make the
3 k" g8 @3 N8 n' x1 P4 ]1 {> settings. This would preferably be from a computer terminal so that
/ C+ K6 g2 L) ]2 {/ a# N
> configurations can be saved or easily duplicated for production volumes.
0 f% U8 u3 }, g/ n/ m5 V7 A> The units should be small and compact with shielding, and able to mount
- ?# M$ Z% }1 p7 I+ n' Q; [> to a printed circuit board with header connector.
- l4 }6 _7 @. h" A3 {7 I>
% { R! }( V, m2 w2 ~0 E> At this time, we are interested in samples of a pair of modems that
0 i- Z, `: | Z7 n$ Z8 w
> might be similar to this proposed system. We do not expect that you
" D* M( u3 T) J" k7 _! r R
> provide all of these specifications at this time. I can describe our
% Y% V) c1 N3 Z! ^2 E b$ j> immediate application needs in the next email if this project is of
: }$ ^' K& h% i( F! p: u3 T> interest to you. Perhaps you can make the samples by those
& }/ l$ v q c! I; D/ p> specifications. This will allow us to test your radios before we move
6 \; I" F& y* R
> forward. We are interested in your 900MHz radio to start.
1 M& r# {" y! ]: P9 ^$ ?4 t, b
|
|
IP卡
狗仔卡
发表于 2007-5-27 20:29:37
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡