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; M, ^9 {2 \% f* u" E客户要求如下,如果哪家工厂可以做,请和我联系
, _8 Z: y9 B9 s1 \( K; S> The application that we have in mind is similar to others that we commonly
! V; a3 X5 J3 S; Y> have. If we were to pay for FCC approval, we would want to use the modem
- I( @3 O( k3 |- i( Q> units in all similar applications under the same approval number. 6 I* i: f% ?9 N5 X
> Therefore, we would like to be able to configure the units to a specific
/ w, c5 B2 u/ q3 Q8 D9 }> application. For the business that we do, this approach will yield more
@- {5 ~7 ? y5 R: H ]' e) O' D8 |> sales based on the same product and approval. We are interested in the * u( N& v9 w# S5 O0 r6 }4 C0 W
> following specifications: 3 C' k& e: r6 ], N2 \4 m$ i6 P4 \1 G
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> - 2 inputs at the Transmitter with three possibilities;
1 x" [- {8 s: A" f$ I> 2 analog ; P6 k6 D5 z% \: \+ I
> 2 digital
! O/ x: K2 u% Y8 V> 1 analog and 1 digital
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' d9 h8 U# P5 a> - 2 outputs at the Receiver with three possibilities to match inputs : Q9 Q; [' J+ {+ o
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> - Ability to configure/define analog Transmitter input ranges through 6 |1 G/ Q1 A4 O6 h g3 O/ E
> simple programming method to correspond with full-range analog Receiver
% o! g( d. ?# {8 j- ?> outputs (0 - full voltage). - U7 X4 W2 B) J2 a5 X4 N
>
" M& d- x, S7 t3 N/ k! }* |> - Ability to configure and set sample rates for the inputs.
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> - Digital output on Transmitter that turns on during the sampling period.
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> - Ability to configure a power saving Sleep Mode in the Transmitter by
& _0 D4 X- J# S> both software control and input hardware control.
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> In order to configure the units, we would need a way to make the - J/ f3 `" x& t4 D2 Q1 T* l6 F7 W; V
> settings. This would preferably be from a computer terminal so that
6 p8 N: x7 Y: Z; V0 _+ `> configurations can be saved or easily duplicated for production volumes. 2 D, s. ?9 E. B3 |& P
> The units should be small and compact with shielding, and able to mount
8 o# d" o) M- M6 \! M> to a printed circuit board with header connector. + d9 r! j+ ^% W3 o2 j/ D4 t
>
0 x+ @0 D! \0 _' g* }3 A9 H> At this time, we are interested in samples of a pair of modems that
6 |& S; p2 `! @- k> might be similar to this proposed system. We do not expect that you $ P" F# O8 k+ g* B" {
> provide all of these specifications at this time. I can describe our ( K7 k' E& `' E6 c
> immediate application needs in the next email if this project is of
* @% q! H; T7 K0 D9 x5 Q> interest to you. Perhaps you can make the samples by those % T+ K3 I6 `. g* l) V1 y- a& g
> specifications. This will allow us to test your radios before we move & O0 p* s. s; ?( S$ `" B. K! X
> forward. We are interested in your 900MHz radio to start.
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