MODEL: 127938
FEATURES
• Single input and output
• Insertion loss......................... 5 dB maximum
• Amplitude balance ................ 0.5 dB maximum
• VSWR ..................................... 1.5:1 maximum
SWITCHABLE FILTER BANK
E2
J1
J2
P/N 127938
S/N
RT
N
E1
BLOCK DIAGRAM
MITEQ’s model 127938 integrated, two part, switchable filter bank features two channelized, printed circuit filter
banks, individually selectable by TTL driven, SP2T PIN switches the input and output. MITEQ’s Microwave
Assemblies, Systems and Technologies Group specializes in the manufacture of integrated switch filter assemblies
and is able to offer a wide range of frequency ranges and a number of channels.
BAND 1: 10.7–11.8 GHz
BAND 2 : 11.7–12.75 GHz
J1
J2
0.38 [9.65]
0.85
[21.59]
2.67 [67.82]
E2
J1
J2
RTN
E1
0.90 [22.86]
1.63
[41.40]
1.85
[46.99]
0.11
[2.79]
4.47 [113.54]
0.13 [3.30]
(4) HOLES X 0.13 [3.30] DEEP TYP.
C'BORE 0.188 [4.775] DIA. 0.102 [2.591] DIA. THRU
TYP. "SMA"
MALE CONNECTOR
TYP. (2) PLACES
FUNCTIONAL BLOCK DIAGRAM
OUTLINE DRAWING
GENERAL NOTES:
1. Dimensions shown in brackets [ ] are in millimeters.
2. Tolerance as follows: .xx = ±0.01 [.xx = ±0.25], .xxx = ±0.005 [.xxx = ±0.13]
SPECIFICATIONS
PARAMETERS BAND 1 BAND 2
Passband frequency 10.7–11.8 GHz 11.7–12.75 GHz
Insertion loss 5 dB maximum 5 dB maximum
Insertion loss flatness 0.7 dB maximum, 0.2 dB any 36 MHz band 0.7 dB maximum, 0.2 dB any 36 MHz band
Difference in band level 0.5 dB maximum 0.5 dB maximum
VSWR 1.5:1 maximum 1.5:1 maximum
Group delay (any 40 MHz band)
Linear 0.01 ns/MHz maximum 0.01 ns/MHz maximum
Ripple 0.5 ns p-p maximum 0.5 ns p-p maximum
Rejection 14.88–15.98 GHz > 80 dB 15.88–16.91 GHz > 80 dB
12.79–13.89 GHz > 50 dB 13.79–14.84 GHz > 50 dB
Switch positions Select E1 = 0 V Select E2 = 0 V
Return voltage 5 V 5 V
ENVIRONMENTAL CONDITIONS
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 grams
Operating temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 70°C
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +85°C
46