|
|
# M) V4 Q. V2 D! R0 U3 P
客户要求如下,如果哪家工厂可以做,请和我联系 ! u- t, l+ W7 Q) Z) l: Y4 ]& S1 M
> The application that we have in mind is similar to others that we commonly
3 x& |: F! S/ q$ t7 S U> have. If we were to pay for FCC approval, we would want to use the modem ; R: V& ^: N X( X5 B
> units in all similar applications under the same approval number. 6 {1 t0 n+ ^' W6 W" m
> Therefore, we would like to be able to configure the units to a specific % m5 ?; O: b& j# ^' M
> application. For the business that we do, this approach will yield more 1 W! y/ f; h" Z! i. i3 Z, k; }; H2 W
> sales based on the same product and approval. We are interested in the
4 U9 H. G0 P, c( I) u, M> following specifications:
. ?8 D, A( W5 G: S' a+ G>
9 t8 ^: U* X1 K- |- L> - 2 inputs at the Transmitter with three possibilities; , I/ ]% n* ]6 `
> 2 analog , o @" U7 w+ Y+ c2 W. C8 i. {
> 2 digital ( C8 t! e$ X3 G8 D( Z7 _& y/ t
> 1 analog and 1 digital
3 i' W, T/ O. d% [: O4 n>
' y( d, H# F) ?3 N" K> - 2 outputs at the Receiver with three possibilities to match inputs " M9 h# o9 u' z8 w$ [
>
5 x+ @1 s2 D5 o2 q: L" x; Z> - Ability to configure/define analog Transmitter input ranges through
7 D u3 ~. _# ]9 O3 i> simple programming method to correspond with full-range analog Receiver
: b+ v. t; Z1 H* \> outputs (0 - full voltage). " R- Y, H6 L; |# h1 L! J5 E' ^/ Q* U
>
8 Z7 W( A' H; r( }% q/ a- N> - Ability to configure and set sample rates for the inputs.
8 _% d( _7 j4 o# C$ R> 6 W% i5 a3 R% y; v( ]) f
> - Digital output on Transmitter that turns on during the sampling period.
* c5 S" I: m! z4 H# d> ) Q6 W" R0 _# D* K8 j
> - Ability to configure a power saving Sleep Mode in the Transmitter by
# w9 ]7 ^! Z7 h8 ?2 t4 E> both software control and input hardware control.
1 E6 d8 l) i5 r' ?, c; B. l0 h>
% R! |8 p% i) v5 J4 `6 D# T> In order to configure the units, we would need a way to make the : a* r6 M1 e- U0 ?+ Y, u
> settings. This would preferably be from a computer terminal so that
+ c! L" l3 [" H! k3 i' e> configurations can be saved or easily duplicated for production volumes.
9 ?3 j+ Q, r7 Z. C> The units should be small and compact with shielding, and able to mount
! R9 B. Q: [3 s y7 T5 H> to a printed circuit board with header connector. % q$ M7 \0 K& [3 z/ f0 s- ?) p+ r
> : i8 D W" ?& r$ F6 r
> At this time, we are interested in samples of a pair of modems that
3 d* c( @* v5 P2 z. {2 L> might be similar to this proposed system. We do not expect that you
3 }6 T8 B% W# j( a> provide all of these specifications at this time. I can describe our , P) g1 W$ }5 E, i6 _ b
> immediate application needs in the next email if this project is of * T3 h+ {# |, K% x. V% U
> interest to you. Perhaps you can make the samples by those # A' [6 h( O9 w" T) e
> specifications. This will allow us to test your radios before we move
4 z; A( _3 I# H> forward. We are interested in your 900MHz radio to start.
t# l2 o; `8 R* U' S5 i: O |
|