TELEWAVE 44A User Manual

Telewave, Inc.
Model 44A/AP
Page 6
Figure 3-1: Model 44A/AP RF Wattmeter Schematic
R2
R16
R12
R8
R4
R15
R11
R7
R3
R18
R17
R14
R13
R10
R9
R6
R5
S1
S2
OFF
REVFWD
M1
+
-
500
150
50
15
5
500
150
50
15
5
RF
SOURCE
RF
LOAD
Dual Directional Coupler
R1
JP JP
CU1 CU2
Table 3-2 : Model 44A/AP Parts List
REF DESCRIPTION MFG MFG P/N
CU1,2 COUPLER HEAD ASSEMBLY TELEWAVE 7988
M1 METER: 20 UA TRIPLETT 7034
MP1 KNOB RAYTHEON MS-91528-1P2B
MP2 SCREW: BUMPER 6-32 TELEWAVE TB44
MP6 STRAP: LEATHER TELEWAVE HH44
MP8 SCREW: TRUSS HEAD 10-52 ICO/RALLY SCR-813
MP9 SHOCK RING: EDM TELEWAVE 7099
QC N FEMALE CONNECTOR TELEWAVE QC44N
QC UHF FEMALE CONNECTOR TELEWAVE QC44S
QC BNC FEMALE CONNECTOR TELEWAVE QC44B
QC TNC FEMALE CONNECTOR TELEWAVE QC44T
QC 7-16 DIN FEMALE CONNECTOR TELEWAVE QC44D
R1 RESISTOR: VAR CC 0.25W 10/% 2.5K OHM
R2 RESISTOR: VAR CC 0.25W 10/% 2.5K OHM
R3 RESISTOR: VAR CC 0.25W 10/% 10K OHM
R4 RESISTOR: FXD CC 0.50W 5/% 1.8K OHM
R5 RESISTOR: FXD CC 0.50W 5/% 1.8K OHM
R6 RESISTOR: VAR CC 0.25W 10/% 10K OHM
R7 RESISTOR: VAR CC 0.25W 10/% 25K OHM
R8 RESISTOR: FXD CC 0.50W 5/% 13K OHM
R9 RESISTOR: FXD CC 0.50W 5/% 13K OHM
R10 RESISTOR: VAR CC 0.25W 10/% 25K OHM
R11 RESISTOR: VAR CC 0.25W 10/% 25K OHM
R12 RESISTOR: FXD CC 0.50W 5/% 30K OHM
R13 RESISTOR: FXD CC 0.50W 5/% 30K OHM
R14 RESISTOR: VAR CC 0.25W 10/% 25K OHM
R15 RESISTOR: VAR CC 0.25W 10/% 25K OHM
R16 RESISTOR: FXD CC 0.50W 5/% 62K OHM
R17 RESISTOR: FXD CC 0.50W 5/% 62K OHM
R18 RESISTOR: VAR CC 0.25W 10/% 25K OHM
S1,2 SWITCH: ROTARY 2 POLE 5 POS ELECTROSWITCH D3G0205N-4096

TELEWAVE 44A Specifications

General

Brand	TELEWAVE
Model	44A
Category	Measuring Instruments
Language	English