QHF-3-G Series
90 POWER DIVIDERS / COMBINERS
30 to 1000 MHz / Excellent Amplitude Balance / Low Insertion Loss / Humidity Sealed Filmbrid
PRINCIPAL SPECIFICATIONS
Frequency
Range,
GHz
Isolation,
dB,
Amplitude
Balance, dB,
Max.
Insertion
Loss, dB,
Max. Typ.
Model
Number
VSWR, Bandwidth Package
Min.
Max.
Ratio
Outline
QHF-3-.060G .030 - .090
QHF-3-.300G .090 - .500
QHF-3-.350G .200 - .500
QHF-3-.675G .250 - 1.00
QHF-3-.750G .500 - 1.00
18
17
18
18
20
1.5
1.5
1.0
1.5
1.0
0.7
0.7
0.6
0.75
0.35
0.5
0.5
0.4
0.5
0.35
1.25:1
1.25:1
1.25:1
1.35:1
1.25:1
3:1
5.5:1
2.5:1
4:1
A
A
B
C
D
2:1
General Notes:
GENERAL SPECIFICATIONS
1. The QHF-3 series covers 30 MHz to 1 GHz using a multi-section
stripline design to produce wide operating bandwidths. Designs
for many other frequency ranges are available to custom order.
Coupling:
Impedance:
Phase Tolerance:
CW Input:
-- 3 dB nom.
50 W nom.
90° ±2° max.
200 Watts
2. High performance is achieved in the QHF-3 series using the
FilmbridÔ Sandwich Package that’s designed to work with both
microstrip and balanced stripline.
(CW power input with 1.2:1 VSWR
)
out
Peak Power:
Connector Type:
Operating Temperature: -- 55° to +85°C
1 kW max.
4 Solder Tabs
Part No.
QHF-3-.060G
Dim. A Dim. B Dim. C Dim. D
Package Outline - A
5.000
2.500
63.50
.484
4.032
127.00
12.29
102.41
QHF-3-.300G
1.750
44.45
.875
22.23
.125
3.18
1.500
38.10
NOTES:
1. Tolerance on 3 place decimals
±.020(.51) except as noted.
2. Dimensions in inches over millimeters.
3. Solder Tabs: .002 ±.0005(.05 ±.01)
thk., iron nickel alloy,gold plated
.00005(.0012) thk. min.
02May96
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531