|
|
5 H) D$ `9 b1 `: X3 C6 D" M客户要求如下,如果哪家工厂可以做,请和我联系 * u" {2 E% V6 {
> The application that we have in mind is similar to others that we commonly 9 S% H5 d* q" T
> have. If we were to pay for FCC approval, we would want to use the modem
/ I6 s r7 y0 \+ i> units in all similar applications under the same approval number.
- y7 e8 ^0 ~. s1 s; S! \> Therefore, we would like to be able to configure the units to a specific
8 {+ F s$ R8 Z# Z1 K3 b> application. For the business that we do, this approach will yield more
" r+ k- U) f ~- p) v> sales based on the same product and approval. We are interested in the
( n* l, l( K' w+ G> following specifications: ( I: I6 q- h( ^0 ?3 |. G
>
/ U/ x/ w' c5 W9 _0 l> - 2 inputs at the Transmitter with three possibilities; $ P+ W! J. c, \) L* i8 h: D
> 2 analog 3 ~( T$ p: T4 {( l2 E
> 2 digital
- H3 @; ~6 _1 U- q1 s V> 1 analog and 1 digital
1 F+ O! q8 W: u: N> ) K& z7 O7 h) W4 a) S8 |5 O$ w
> - 2 outputs at the Receiver with three possibilities to match inputs
; ]. f1 t& M2 @& k# c, i: A>
9 r/ I, y8 X3 M4 w> - Ability to configure/define analog Transmitter input ranges through " ]4 j+ E' N) ^2 F- R& J% J: W+ W2 ]
> simple programming method to correspond with full-range analog Receiver
5 J2 p3 [! g6 ]9 K& H" Q> outputs (0 - full voltage). , @3 L B, H/ ]! X
>
$ a% F8 m3 x2 t0 m2 d. \9 R& w! F) ]> - Ability to configure and set sample rates for the inputs. ; T% S- Y" w: F4 W6 \) k
>
0 q" F/ I9 F2 {0 T! M> - Digital output on Transmitter that turns on during the sampling period. 9 I0 p" R, e& Z: K! f& P, |7 d1 d
>
9 P* w5 N) s- c# A4 R> - Ability to configure a power saving Sleep Mode in the Transmitter by $ ?! q5 X1 l8 ~6 w
> both software control and input hardware control.
8 v6 p& A; l2 Q% h$ a, j O>
% F4 ]6 W8 d) R ]> In order to configure the units, we would need a way to make the
+ W6 G. \6 v+ T* X/ a4 w" |9 ~9 K> settings. This would preferably be from a computer terminal so that
1 m1 o+ p% \: f! O X: t* M A- A> configurations can be saved or easily duplicated for production volumes.
7 z+ Q! D4 a5 J. {> The units should be small and compact with shielding, and able to mount , A# u ~- i: L5 Y
> to a printed circuit board with header connector.
2 i0 I. ^4 y5 _* |) q>
/ T: p, l6 p# \9 J4 C> At this time, we are interested in samples of a pair of modems that 8 [1 F3 C0 }0 r
> might be similar to this proposed system. We do not expect that you 3 @6 A6 S) q* {! ~- ~& }
> provide all of these specifications at this time. I can describe our
) H* p$ S( {$ P) G& S- c5 C> immediate application needs in the next email if this project is of / ] S/ ~3 x/ y
> interest to you. Perhaps you can make the samples by those
3 E- r, M/ {) ~* a9 ^> specifications. This will allow us to test your radios before we move
; E4 j& l W$ X: a& }/ @> forward. We are interested in your 900MHz radio to start.
& e6 A% ~* X$ `1 m |
|