Midland XT511 Alignment Procedure

XT511
PRODUCTION SPECIFICATION
1. GENERAL SPECIFICATION
Items Specifications
1 Tx Frequency range
462.550MHz  467.7125MHz
2 Tx VCO Frequency range Same as item 1
3 RX Frequency range Same as item 1
4 RX VCO Frequency range
441.1500MHz  446.3125MHz ( Lower Heterodyne )
5 Channel Number 22CH
Channel Spacing 12.5KHz
6 Frequency Control PLL Synthesizer with Temperature Compensated Crystal
Reference
7 IF frequencies 21.4 MHz for 1’st IF
450KHz for 2’nd IF
8 Modulation FM (F3E emissions)
9 Standard Test Modulation signal Modulated audio Frequency : 1KHz
Test modulation : +/-1.5KHz
10 TX Frequency stability
Max. +/-2.5ppm ( -20 to +50)
11 Nominal test temperature Range
25 +/- 5
Extreme operating temperature
-20 to +50
Range
12 Antenna Impedance 50 ohm +/- 25 ohm
13 Power source 4 AA Alkaline batteries or
1 Ni-HM rechargeable battery pack
14 Test Power Supply Voltage 6.0Vdc. +/-0.1Vdc
Extreme Supply Voltage Range 4.2Vdc to 8.0Vdc
15 Battery life time ( Typ. 5/5/90 duty) Min. 45 Hours
16 Microphone Self contained Electret
17 Speaker Self contained 16 ohm

Midland XT511 Specifications

General

Operating frequency	462.550 - 467.7125 MHz
Battery type	AA
Rechargeable	Yes
Number of batteries supported	4

Weight and Dimensions

Weight	544.3 g
Dimensions (WxDxH)	190.5 x 69.95 x 165.1 mm