|
|
* ^! j6 o- P* D, u o, v
客户要求如下,如果哪家工厂可以做,请和我联系 ; O2 @* n& L& l( |9 w& r
> The application that we have in mind is similar to others that we commonly
7 S' }# Q# ?, X& x: A/ A> have. If we were to pay for FCC approval, we would want to use the modem 9 J! ?* k& m, o3 R! w. Q) {
> units in all similar applications under the same approval number. ! T$ E) o" ^" X8 |
> Therefore, we would like to be able to configure the units to a specific
$ I0 {- x' K2 U/ l> application. For the business that we do, this approach will yield more % f) \2 i$ E: Z1 ~& {- _
> sales based on the same product and approval. We are interested in the
" q; d9 _: E2 ^1 _- {> following specifications:
0 ~" K$ [. F( j3 l>
" s- D F3 D7 x> - 2 inputs at the Transmitter with three possibilities; 0 q* o0 v5 Z2 E1 B: V6 _$ }7 X
> 2 analog
7 Z8 m1 y9 a2 z& C$ U> 2 digital
' H6 {, s+ R b> 1 analog and 1 digital 2 g. l- k. i0 i0 l: U
> 2 j5 i4 `$ s) [- i
> - 2 outputs at the Receiver with three possibilities to match inputs . D4 k( {% t C1 U3 c7 |4 u
> ! r: z7 b2 _! k- I% M" p
> - Ability to configure/define analog Transmitter input ranges through 0 {* P1 `# Y. a8 O3 O
> simple programming method to correspond with full-range analog Receiver : [5 [8 |5 l! P2 K
> outputs (0 - full voltage). 2 Q9 [! h6 N# A6 h
> ; Y/ Y/ S G# ?9 D# c+ {
> - Ability to configure and set sample rates for the inputs.
; {0 M9 P# W1 s( W8 n> 2 E& V2 ~0 b) ^0 I
> - Digital output on Transmitter that turns on during the sampling period.
# j/ h- r6 n: A/ j>
8 m& G) @2 j G> - Ability to configure a power saving Sleep Mode in the Transmitter by
) p" |( E# u2 D$ ?3 `> both software control and input hardware control.
; X- d" r" C5 k>
* E( s# A( y# L7 D2 _( y" W> In order to configure the units, we would need a way to make the ' {5 S. N# n) X5 v0 O. H
> settings. This would preferably be from a computer terminal so that * Q% @' j- x7 @3 j/ [. B7 k! a
> configurations can be saved or easily duplicated for production volumes. % c N5 a; H; E2 \+ a; ^: y
> The units should be small and compact with shielding, and able to mount
3 y4 Y$ P( P, |& a> to a printed circuit board with header connector.
' Q9 u% n, F) N$ v0 ?>
: J# w; i) B7 G+ U4 d2 W" A9 m> At this time, we are interested in samples of a pair of modems that $ A2 I) V2 J" H1 E
> might be similar to this proposed system. We do not expect that you
4 g7 n- }: v' g0 [. B" U9 ~> provide all of these specifications at this time. I can describe our
) ^1 m9 i. l3 V> immediate application needs in the next email if this project is of
$ D' k3 h' ^5 _' I, }> interest to you. Perhaps you can make the samples by those : P- D4 S2 X4 \8 p$ r
> specifications. This will allow us to test your radios before we move 6 J% r7 i- L R5 t
> forward. We are interested in your 900MHz radio to start.
1 _) Y& _8 `( a/ W2 M0 s |
|