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ICE1001




ICE1001

Specifications:

Part Number:
ICE1001-R-1.5-30
Operation:
Preselector
Frequency Coverage:
1.5 MHz to 30 MHz
Three Internal Bands:
1.5 to 4 MHz, 4 to 10 MHz, 10 to 30 MHz
3dB Bandwidth:
3 ± 0.5%
Insertion Loss:
1 ± 2.5dBm
Noise Figure:
11.5dB (1.5 to 4 MHz)
10dB (4 to 30 MHz)
Input/Output Impedance:
50 Ω
Inband RF Power Handling:
Up to 1 Watt (input)
Inband IP3:
+27 to +34 dBm
Tuning Control
(751 Center Frequencies):
3-Wire Serial
Tuning Speed:
10 to 200 μS
Power:

+5 VDC @ 30 to 800 mA
+12 VDC @ 300 mA

Operating Temperature Range:

-40 to + 85°C

Center Frequency Drift:

80 PPM/°C

The ICE1001 is extremely versatile HF Preselector; it contains three Mini-Pole filters covering the frequency ranges 1.5-4, 4-10, and 10-30 MHz.  The internal switching network is accomplished using PIN diodes, thus switching speed is fast and switching insertion loss is a low 0.6dB.  The ICE1001 includes an amplifier to overcome filter loss.  For the HF Preselector, the product of %BW x IL is typically equal to 20.  This holds true across the entire tuning range of any internal filter band.

Block Diagram:

Interface and Control Notes:

Frequency Tuning Address

The ICE1001 utilizes an eleven-bit scheme for tune words to digitally control tuning of the center frequency for each of the filters bands (1.5-4, 4-10, and 10-30 MHz ) within this preselector.  For further information on how to calculate tune words, please see the Frequency Tuning Address Application Note.

Strobe 

The filter is tuned within 200μSec for (1.5 to 4.0 MHz) and 100μSec (4.0 to 10 MHz) and 10μSec (10 to 30 MHz) to the frequency designated by the tune word derived from the eleven bits clocked in when the STB line is brought low.  Once strobed, data existing on the data lines is ignored until strobed again.  Maximum strobe rate for standard filters is 170Hz for frequencies below 10MHz.

RF Power Handling Capability

The filters are designed to operate with RF input power levels up to 1 Watt (+30 dBm), inband.  Signals in the filter stop band up to 5 Watts at the input will not cause damage to the filter.

Serial Timing Diagram 

Notes: 
1) Serial data is clocked in on the positive edge of CLK.
2) Maximum CLK speed is 2 MHz.
3) Refer to Switching Characteristics Sheet for timing.

Pinout and Ratings:

The pinout of the serial interface for the ICE1001 is shown in the following table.

PIN#

REF DES

DESCRIPTION

MAXIMUM RATINGS

1
-
N/C
 
2
-
N/C
 
3
-
N/C
 
4
-
N/C
 
5
-
N/C
 
6
-
N/C
 
7
GND
Ground
 
8
VCC
+5 VDC, 10%
0 to +6 VDC
9
GND
Ground
 
10
-
N/C
 
11
GND
Ground
 
12
VDD
+12 VDC, 5%
0 to 13 VDC
13
STB
Strobe
 
14
SER CLK
Serial Clock
0 to +6 VDC
15
DI
Serial Data In
 

Chassis Outline:

Data is believed to be accurate. All data is subject to change without notice.












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