TM 11-5895-1090-34/TO 31 R2-2TSC-152
1-4.
Destruction of Army Electronics Materiel
user, are the only one who can tell us what you don't like
about your equipment. Let us know why you don't like
Destruction of Army electronics materiel to prevent
the design. Put it on an SF 36'5 (Quality Deficiency
enemy use shall be in accordance with TM 750-244-2.
Report).
Mail it to Commander, US Army
1-5.
Reporting
Equipment
Improvement
Communications-Electronics Command and Fort
Recommendations (EIR)
Monmouth, ATTN: DRSEL-ME-MP, Fort Monmouth, NJ
07703. We'll send you a reply.
b. Air Force. Air Force personnel are
a. Army.
If your amplifier-mixer needs
encouraged to submit EIR's in accordance with AFR
improvement, let us know. Send us an EIR. You, the
900-4.
Section II. DESCRIPTION AND DATA
1-6.
Description
The amplifier-mixer combines modulated shf signals
power amplifier for multicarrier operation. The
from up to four upconverters and feeds a single high
amplifier-mixer contains the following assemblies:
Assembly
Part No.
Reference Designation
Shf combiner assembly
SM-D-935052
A1
Shf channel assemblies
SM-D-935053
A1A1 thru A1A4
Shf drive assembly
SM-D-935081
A2
Twt amplifier assembly
SM-A-773715
A3
Fet amplifier assembly
SM-C-937563
A3
Transient suppressor assembly
SM-D-935507
A4
Rf low power alarm assembly
SM-D-775384
A5
Shf output assembly
SM-D-935082
A6
Thermoelectric power monitor assembly
SM-A-916470
A7
Power supply assemblies
SM-A-935200
PS1 and PS2
1-7.
Tabulated Data
The electrical and physical characteristics of the amplifier-mixer are listed in table 1-1.
Table 1-1. Amplifier-Mixer Performance Data
Characteristics
Parameter
ELECTRICAL PERFORMANCE CHARACTERISTICS
Rf Input Power/Channel
Four channels
Frequency Range
+ 19.0 dbm (minimum)
Instantaneous Bandwidth
7.9-8.4 GHz
Gain Under Multicarrier Service
500 MHz (I db
Total Power Output Under Multicarrier Service
+ 3.0 db
Power Output Adjustment Range/Channel Under
+ 22.0 dbm (minimum)
Multicarrier
14 db (minimum)
Service
+3.0 db
Gain Under Single-Carrier Service
+22.0 dbm (minimum)
Power Output Under Single-Carrier Service
Intermodulation Distortion (Third Order) with Two Equal
Power output (Ref either
(Total)
carrier)
Carriers
17.0 dbm
-42 db
14.0 dbm
-50db
10.0 dbm
-58db
Power Output Adjustment Range, Composite
23 db (minimum)
Input VSWR @ Fo
1.25:1, referenced to 50 ohms
Harmonic Output Level
15 db below fundamental
Noise Figure (Drawer)
60 db (maximum)
Spurious Output Level (Single Carrier)
-80 dbc (1 MHz or greater from carrier)
Gain Stability
+0.3 db/8 hours
AMIPM Conversion
4ldb
1-2
