QHD-3C-1.11G
QUAD HYBRID
PRELIMINARY
REV: 002, 08/22/03
TECHNICAL DESCRIPTION / APPLICATION
MULTI-MIX
®
QUADS
The Multi-Mix® QHD series provides a 3 dB coupler with low insertion loss, low VSWR, and high isolation.
Accurate phase and amplitude balance make them ideal for applications involving IQ networks, power
amplifiers, signal distribution and processing equipment.
QHD quad hybrids are fusion bonded multilayer stripline assemblies. The fusion bonding process yields a
homogeneous monolithic dielectric structure with reliability, ruggedness, and electrical performance that is
superior to conventional adhesive bonding techniques.
TYPICAL PERFORMANCE
QHD-3C-1.11G
Measured Data (Includes Fixture)
VSWR vs Frequency
2
1.9
-5
1.8
-10
1.7
Magnitude (dB)
1.6
VSWR
1.5
1.4
1.3
-30
1.2
1.1
1
0.2
0.4
0.6
0.8
1
1.2
Frequency (GHz)
1.4
1.6
1.8
2
2.2
-35
-15
0
QHD-3C-1.11G
Measured Data (Includes Fixture)
Isolation vs. Frequency
VSWR1
VSWR2
VSWR3
VSWR4
-20
-25
-40
0.2
0.4
0.6
0.8
1
1.2
Frequency (GHz)
1.4
1.6
1.8
2
2.2
QHD-3C-1.11G
Measured Data (Includes Fixture)
Insertion Loss vs. Frequency
0.6
QHD-3C-1.11G
Measured Data (Includes Fixture)
Amplitude and Phase Balance vs. Frequency
100
4
0.5
97.5
3
95
0.4
Insertion Loss (dB)
2
Magnitude (dB)
Phase (Deg)
92.5
1
Amplitude Balance
Phase Balance
0.3
90
0
87.5
0.2
-1
85
0.1
-2
82.5
-3
0
0.2
0.4
0.6
0.8
1
1.2
Frequency (GHz)
1.4
1.6
1.8
2
2.2
80
0.2
0.4
0.6
0.8
1
1.2
Frequency (GHz)
1.4
1.6
1.8
2
2.2
-4
THE MULTI-MIX MICROTECHNOLOGY
®
GROUP IS ISO-9001:2000 REGISTERED
U.S. patent 6,099,677 and other patents pending.
Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: crm@merrimacind.com / www.merrimacind.com
GENERAL SPECIFICATIONS
QHD-3C-1.11G
ELECTRICAL
FREQUENCY RANGE
INSERTION LOSS
AMPLITUDE BALANCE
PHASE BALANCE
ISOLATION
VSWR (ALL PORTS)
INPUT POWER (CW @ 1.3:1 OUTPUT VSWR)
0.225 TO 2.0 GHz
0.4 dB (MAX)
+/- 1.75 dB (MAX)
±5° (MAX)
15 dB (MIN)
1.5:1 (MAX)
200 W (TYP)
MECHANICAL
SIZE / OUTLINE
WEIGHT
RF INTERFACE
5.00 x 1.00 x 0.365 inches
3 oz.
Surface Mount
ENVIRONMENTAL
OPERATING TEMPERATURE RANGE
-55° To + 85°, C
PACKAGE OUTLINE
THE MULTI-MIX MICROTECHNOLOGY
®
GROUP IS ISO-9001:2000 REGISTERED
Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: crm@merrimacind.com / www.merrimacind.com
Microchip MCU
