|
|
7 }. W' H' F% C
客户要求如下，如果哪家工厂可以做，请和我联系
- s' f/ ~8 V" B# N> The application that we have in mind is similar to others that we commonly
! t7 D. j0 e' M> have. If we were to pay for FCC approval, we would want to use the modem
# d( V! R9 R$ H, C% ?, n& P( W> units in all similar applications under the same approval number.
5 E3 z' A. m) c c( o+ _% w8 I
> Therefore, we would like to be able to configure the units to a specific
0 W2 J* f; j3 }4 [4 a2 R
> application. For the business that we do, this approach will yield more
- ?7 E' i( m; Q> sales based on the same product and approval. We are interested in the
/ S& q8 \) t. Z5 `> following specifications:
% C' L2 \3 F, t& e8 E8 |$ o>
5 }. V" b7 t! k! f1 N V2 V
> - 2 inputs at the Transmitter with three possibilities;
9 _* w0 N3 X2 C> 2 analog
. n2 n! u0 |* U) t( [
> 2 digital
% W( K! j. W6 \; \6 c1 g( J> 1 analog and 1 digital
& l. k0 P( O( i4 E' v>
2 p: p& s2 u3 u: H; Z- q7 F* O* P+ ?- m' q
> - 2 outputs at the Receiver with three possibilities to match inputs
+ `+ |. L; N6 K8 G- L( d
>
* N B: j' C* S E v0 U' I$ V> - Ability to configure/define analog Transmitter input ranges through
3 a v; Y. q4 _. F; s3 C* a" Y9 K> simple programming method to correspond with full-range analog Receiver
4 W& x# l$ j, u+ J: h/ F. G> outputs (0 - full voltage).
, T# i3 ^* s7 H
>
- b. G$ c8 L8 \% ?+ t: P! Z& F> - Ability to configure and set sample rates for the inputs.
7 D/ p2 ?% T. C, c I' q8 X>
8 t& D; x4 a: S0 _# Q3 H
> - Digital output on Transmitter that turns on during the sampling period.
4 p, u9 h5 b, V1 [% a% |% `3 E
>
( V$ r# v# ~$ k
> - Ability to configure a power saving Sleep Mode in the Transmitter by
% P# E3 n3 o! Q% J3 X! `: z8 O+ t
> both software control and input hardware control.
" s% k7 C' Q! C>
, Y, D. ?- @6 P. p$ J/ Q> In order to configure the units, we would need a way to make the
4 w' t+ l8 a4 V
> settings. This would preferably be from a computer terminal so that
% J) g# f, h( a) J> configurations can be saved or easily duplicated for production volumes.
! E6 L/ ]1 j5 q& ^7 I7 G3 M> The units should be small and compact with shielding, and able to mount
_9 g5 v$ J1 E# v) r3 M" y
> to a printed circuit board with header connector.
! {( I+ B e- z" W) X
>
# s2 H0 b$ r8 t3 x> At this time, we are interested in samples of a pair of modems that
$ r: i }1 i" R0 m> might be similar to this proposed system. We do not expect that you
8 L; @" g$ W% b3 W/ n- [. p> provide all of these specifications at this time. I can describe our
- H, z4 c* h' m0 t> immediate application needs in the next email if this project is of
( Y. u! ^4 h/ x9 {; f
> interest to you. Perhaps you can make the samples by those
; P4 l' W$ _, D! n7 x1 X& p/ \> specifications. This will allow us to test your radios before we move
$ n' j; ]+ Z& `9 @0 w+ P> forward. We are interested in your 900MHz radio to start.
$ m% S7 j" A* O
|
|
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