sfbmini.pdf

Switched Filter Bank
Miniature 2 Channel Filter Bank 150 MHz Crossover
Features
• Small Physical Package: 0.21” Sq.
• PC Board Mount RF Interface
• High Speed < 150 nsec
• Low Insertion Loss
• 60 dB Isolation
Typical Specifications
Frequency
Switching-Speed
Description
Spectrum Microwave’s 310-020003-001 Filter banks
provide 2 selectable filtered channels in a very small
package.
Two channels are provided in this Compact Package
along with a Voltage Regulator and 2 High-Intercept
SPDT RF switches. Channel 1 provides Low-pass
Filter response with a 1 dB cut off frequency of 155
MHz. Channel 2 provides a High-pass response with
a 1 dB cutoff of 145 MHz.
1 dB Comp
IP2
IP3
VSWR
Insertion Loss
Switching Type
DC Power
Temp Range
80 – 155 MHz (CH1)
145 - 500 MHz (CH2)
136 nsec ON
66 nsec OFF
29 dBm
72 dBm
45 dBm
1.5:1
1 dB
TTL
5V @ 1 mA
-40oC to +85oC
All specifications above measured at 25oC
CH1 rejects undesired signals by 40 dB from
450 -550 MHz and 60 dB from 500 -1000 MHz.
CH2 rejects undesired signals by 40 dB from
90 to 110 MHz and 60 dB from DC to 90 MHz.
A control pin provides TTL selection of the desired
operating band. The unit design is also bi-directional.
Dimensions and Connections
0.75” L x 0.75” W x 0.380” H excluding RF-Pins
Chassis is machined aluminum with a silver plate
finish. RF pins are .020” diameter. Control pins
are .018” diameter.
Spectrum Microwave, Inc.
www.spectrummicrowave.com Phone (888) 553-7531
[email protected]
38166 Old Stage Road; Delmar, Delaware 19940
Fax (888) 553-7532
Switched Filter Bank
Miniature 2 Channel Filter Bank 150 MHz Crossover
Insertion Loss
0
-2
155 MHz
-0.566
-4
145 MHz
-0.803
-6
-8
310 020003 001 High Pass
310 020003 001 Low Pass
-10
1
201
401
601
Frequency (MHz)
801
1000
Isolation
0
-20
310 020003 001 Low Pass
310 0 20003 0 01 High Pass
-40
371 MHz
-60.3
-60
106 MHz
-60
-80
0.01
200.01
400.01
600.01
Frequency (MHz)
800.01
1000
S-Parameters for this model
are available for download
on our website.
Spectrum Microwave, Inc.
www.spectrummicrowave.com Phone (888) 553-7531
38166 Old Stage Road; Delmar, Delaware 19940
Fax (888) 553-7532 [email protected]