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c: X8 R! m1 P; [- d7 n客户要求如下,如果哪家工厂可以做,请和我联系
; l( b6 |2 c; G1 O& R7 b> The application that we have in mind is similar to others that we commonly
$ e- s" O! c4 ]7 \% U2 v3 [. s> have. If we were to pay for FCC approval, we would want to use the modem
7 d8 t& u2 Q* F6 q; ]/ K> units in all similar applications under the same approval number. % C! f" e% T3 `0 d% u# {9 y
> Therefore, we would like to be able to configure the units to a specific 0 H* ^) d( B# Z* Y/ M' m; I7 R9 ^4 M
> application. For the business that we do, this approach will yield more * U: T5 W' p, o" R
> sales based on the same product and approval. We are interested in the 3 `2 d9 t8 g, A8 F p
> following specifications:
8 {8 ~ ^* d; S> ' i, L1 O( v* ^3 K; [
> - 2 inputs at the Transmitter with three possibilities; . ]5 {! |; O! g9 z
> 2 analog j9 b' X& R4 D, }
> 2 digital
/ Z4 l8 m \- U8 Q0 }/ d/ t0 K> 1 analog and 1 digital 2 M8 n, |- r- \) H1 H9 R$ j) T
>
6 C# I' Y! d+ a2 D> - 2 outputs at the Receiver with three possibilities to match inputs 3 \4 a5 O5 G" I1 H
>
1 m% `& v' {" M) f4 s> - Ability to configure/define analog Transmitter input ranges through e2 L6 Z0 ]4 s: Y2 r) Y
> simple programming method to correspond with full-range analog Receiver
/ g/ c! B: {% i S5 j, ~> outputs (0 - full voltage).
$ r' P7 j) q- n3 W+ O>
x0 F$ i1 f/ z# v% N" C> - Ability to configure and set sample rates for the inputs. 8 d" I7 [2 M' Z% y1 |+ `
>
7 L0 b/ l/ y6 K0 y% S) \> - Digital output on Transmitter that turns on during the sampling period.
& e; D" e/ B! m/ Z! q>
7 m( E6 z+ s) {( P* F> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 Q2 \+ b! Y( k2 C. ]> both software control and input hardware control. 3 k) P0 Z! b: N0 k/ M$ x5 s
>
5 r3 C8 v. B( i: _2 \> In order to configure the units, we would need a way to make the
! b3 E Z$ D9 y" j1 b( a> settings. This would preferably be from a computer terminal so that ' Q) z6 W6 z# y5 h0 ^1 D$ O
> configurations can be saved or easily duplicated for production volumes.
|& P6 O! Y) a3 g; z" a% S> The units should be small and compact with shielding, and able to mount : d( r1 K' n1 V$ D! F
> to a printed circuit board with header connector.
. ~ e& |# f# i8 Z8 f- t" L>
6 q& z2 o8 [% Z% [% B6 \" m> At this time, we are interested in samples of a pair of modems that 0 y0 P) t7 a9 z
> might be similar to this proposed system. We do not expect that you
; v. i& v( A' ]( Q5 Q; |> provide all of these specifications at this time. I can describe our , i* r+ U% V: f& j, u
> immediate application needs in the next email if this project is of
% I3 b3 s5 M2 O$ _$ z$ ]8 Y> interest to you. Perhaps you can make the samples by those # J' t2 C5 q9 N
> specifications. This will allow us to test your radios before we move 3 w% v9 I8 M \
> forward. We are interested in your 900MHz radio to start.
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