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( Z! M* ~. ?6 y2 Y! G( F' `客户要求如下,如果哪家工厂可以做,请和我联系 7 Z, j+ ?+ C, a- F
> The application that we have in mind is similar to others that we commonly # E! @" L: d1 ?; `& i+ B8 ~! Q" a
> have. If we were to pay for FCC approval, we would want to use the modem ^! I( ^* }2 ~* h& j
> units in all similar applications under the same approval number. ! Q" y1 e1 S! p. S( i4 `7 P' Z; I
> Therefore, we would like to be able to configure the units to a specific
- _; C) i* C% V% E# o* [> application. For the business that we do, this approach will yield more . V, C0 f/ U' {& O; k8 g# j
> sales based on the same product and approval. We are interested in the 0 v7 ?# Q: O. A7 F% G
> following specifications:
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2 K$ H" I9 C# b> - 2 inputs at the Transmitter with three possibilities; " ~" s! h f% s! U
> 2 analog
! b5 ^# c, h) b% p) b; [> 2 digital " v( _9 V# H" |5 q9 ^, U
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs
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5 l$ n& j4 {" [1 R4 `> - Ability to configure/define analog Transmitter input ranges through 6 ]3 n: s" J2 I; ]' h d( T0 j! J4 k
> simple programming method to correspond with full-range analog Receiver ' i% y" [0 `* B7 l7 n# Q2 [
> outputs (0 - full voltage).
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6 r9 y" z, n; R7 \( e: |> - 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. 6 N, M s4 l3 N. q4 t7 p- M( F
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> - Ability to configure a power saving Sleep Mode in the Transmitter by
2 o" |0 K( |' z- J' o- v! s: Q4 `> both software control and input hardware control.
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+ Z2 M5 h( ]1 w+ z> In order to configure the units, we would need a way to make the
7 e8 j# T& o b+ |$ E> settings. This would preferably be from a computer terminal so that 0 O& L! M1 r' d- R9 |' N
> configurations can be saved or easily duplicated for production volumes. # x0 Z' _8 G D2 I
> The units should be small and compact with shielding, and able to mount . C5 }5 V- v0 v" V
> to a printed circuit board with header connector.
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9 C0 C- v, q+ R- ?# g> At this time, we are interested in samples of a pair of modems that
) y, H/ K0 U! T) x/ x0 E> might be similar to this proposed system. We do not expect that you
5 I" ]: X: P0 n: k$ j> provide all of these specifications at this time. I can describe our - y- F' H- d) K& A+ e
> immediate application needs in the next email if this project is of ' Q' \5 d. B i" V, [% D" N1 F
> interest to you. Perhaps you can make the samples by those 0 m2 ]) l+ b4 ] ?
> specifications. This will allow us to test your radios before we move
e- t# J* h! K6 W( [. {3 @- @> forward. We are interested in your 900MHz radio to start. + k4 W3 \8 |4 v- d: N5 u
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