|
|
( W+ p1 C* [. a! F' @" j客户要求如下,如果哪家工厂可以做,请和我联系 0 f9 E. a7 o& C8 [: Q. x4 W
> The application that we have in mind is similar to others that we commonly
- s' D- m( m" B) w> have. If we were to pay for FCC approval, we would want to use the modem
. ~4 V' T/ ~5 z! C) y, _> units in all similar applications under the same approval number.
7 i0 x+ o" E: e; @( @> Therefore, we would like to be able to configure the units to a specific % f3 ?( A6 ?4 K+ ~6 w, @' w, U* @
> application. For the business that we do, this approach will yield more * q+ k3 z; f/ v; s
> sales based on the same product and approval. We are interested in the
# Q; J6 v3 w# D' i( O$ ?7 y8 K# r> following specifications: ; _: l& v0 i8 k( ~; \0 s6 ?
>
4 P! P' D7 V' H2 R: g" n f) n> - 2 inputs at the Transmitter with three possibilities;
1 [7 E! e/ N1 S; o$ ~> 2 analog # i3 v2 m+ x+ A o4 E% q- a4 b
> 2 digital 8 o; f% G( B: {- f! k( t
> 1 analog and 1 digital
- W5 e; K8 F8 _/ ]) v; G> 8 N4 q6 P" K! v- U. Q8 \( T
> - 2 outputs at the Receiver with three possibilities to match inputs 9 g4 Y4 Y) U. e1 Z1 _+ O
>
! c9 A, ^9 M1 I> - Ability to configure/define analog Transmitter input ranges through ' s' x: K' A5 O; F5 m
> simple programming method to correspond with full-range analog Receiver 0 f/ C$ V0 ^2 \: T
> outputs (0 - full voltage). " X6 t$ w8 `" Z9 ?7 L2 [# B
> / H( d% }- Q& E2 x6 M& c
> - Ability to configure and set sample rates for the inputs.
' e/ z9 E5 X' v/ G4 A) ^( D> $ `* O, q1 j. t2 _- D6 ]
> - Digital output on Transmitter that turns on during the sampling period. 0 n9 O3 w, C9 M, f$ s! m
>
# G! a2 P# F* M. x0 V9 r5 q6 ^1 F> - Ability to configure a power saving Sleep Mode in the Transmitter by
) P* u0 u9 i( k( O# P% H/ R> both software control and input hardware control. % t# `3 t, E( i" J: V" g
> 4 k: c2 U, R- g" d0 k7 z
> In order to configure the units, we would need a way to make the
* t8 m$ z6 |, r2 O \( M> settings. This would preferably be from a computer terminal so that 4 P" w2 _/ q; K2 G3 g$ e
> configurations can be saved or easily duplicated for production volumes.
9 F& v- ?% y( f' D) H" F0 T# {> The units should be small and compact with shielding, and able to mount # ~5 {+ X0 t- l, J/ E
> to a printed circuit board with header connector. : V2 K" Z& e4 E
>
4 b2 F7 W' o* B" {" T1 k> At this time, we are interested in samples of a pair of modems that
& }2 [& H, P" {/ l9 P5 t> might be similar to this proposed system. We do not expect that you
4 Q$ ~0 I) r4 p) R! }, O' D$ |> provide all of these specifications at this time. I can describe our : V: ]& ], F! K1 J& R
> immediate application needs in the next email if this project is of * ]; ~7 g; ?! S' y" x( a. [) E4 `
> interest to you. Perhaps you can make the samples by those
* d; T% C" [: L3 o7 L& C b+ T> specifications. This will allow us to test your radios before we move : c' r7 R) `$ d5 ~
> forward. We are interested in your 900MHz radio to start.
, O, o! \+ ?% v: d7 v( y- {8 j |
|